当前位置： 首页 > news >正文

HPUX系统Oracle RAC如何添加ASM磁盘

news 2025/7/4 11:19:05

前言 HPUX简介

HP-UX (Hewlett-Packard Unix) 是惠普公司开发的类 Unix 操作系统。自 1980 年代问世以来，HP-UX 在技术和功能上不断发展，适应了多种硬件平台和企业计算需求。以下是 HP-UX 的发展历史概述：

1980 年代：起源与早期发展

  • 1983 年：HP-UX 1.0 发布，这是基于 UNIX System III 的操作系统，最初用于 HP 9000 系列计算机。

  • 1984 年：HP-UX 2.0 发布，基于 UNIX System V，这一版本增强了内存管理和文件系统性能。

1990 年代：扩展与创新

  • 1991 年：HP-UX 8.0 发布，引入了对多处理器的支持，并增强了图形用户界面功能。

  • 1993 年：HP-UX 9.0 发布，进一步改进了多任务处理和文件系统性能。

  • 1995 年：HP-UX 10.0 发布，这是一个重要的版本，带来了许多新特性，包括 Logical Volume Manager (LVM)、增强的用户界面、改进的安全功能和对对称多处理 (SMP) 的支持。

  • 1997 年：HP-UX 10.20 发布，提供了对 64 位计算和更大内存寻址的支持。

2000 年代：64 位架构与企业级功能

  • 2000 年：HP-UX 11i 发布，提供了更高的可靠性、可用性和服务性 (RAS) 特性，并引入了用于关键任务企业计算的改进，如动态分区和虚拟分区。

  • 2003 年：HP-UX 11i v2 (11.23) 发布，支持 Integrity 服务器，并提供更强的安全性和可管理性特性。

  • 2007 年：HP-UX 11i v3 (11.31) 发布，进一步改进了虚拟化、安全性、性能和管理功能。

2010 年代：持续改进与现代化

  • 2010 年：HP-UX 11i v3 2010 更新版发布，增强了云计算和大数据支持功能。

  • 2013 年：HP-UX 11i v3 2013 更新版发布，提供了对最新硬件的支持，并进一步改进了虚拟化和安全性。

  • 2017 年：HPE 宣布继续对 HP-UX 提供长期支持，并承诺为现有客户提供增强的功能和安全更新。

2020 年代：向长期支持转型

  • 2020 年及以后：尽管不再推出重大版本更新，HP-UX 仍然继续为企业客户提供关键任务支持。HPE 继续提供补丁、安全更新和技术支持，确保现有 HP-UX 环境的稳定运行

随着时代的发展X86机器的各项性能也不再逊色于小型机了，HP小型机也越来越少了，可能在一些金融行业还有HP小机的影子，但是确实少见很多了。这篇文章是介绍HPUX小机添加ASM磁盘，从文章的长度上就知道有多复杂，这里发一下仅供大家参考，一窥早期DBA的战战兢兢，如履薄冰！

Environment：

OS:HPUX11.31 

DATABASE: oracle 10.0.2.4  3*nodes RAC 

Storage:HP-6100 FC disk 

Cluster：HPCM

          

1. cut 2*300G RAID5 FC EVA disk to all nodes of sfc12rc rac

    

2. os list and find new disk on all nodes:

   ioscan -N -fCdisk   ioscan -N -m lun   ioscan -fnCdisk
   smh to check disk properties: SMH->Disks and File Systems->Disks->Details           VD name             UUID                                       LUN       sfc12rc1       sfc12rc2       sfc12rc3----------------------------------------------------------------------------------------------------------------VD_12_ORA_DATA_13   6001-4380-02a5-7554-0001-0000-0096-0000       18       disk98              disk97              disk99VD_12_ORA_DATA_14   6001-4380-02a5-7554-0001-0000-0099-0000       19       disk103        disk103              disk104

3. stop oracle cluster and OS cluster

sqlplus to close database from sfc12rc1 to sfc12rc3   --sqlplus / as sysdba   shutdown immediate on each node.   stop all oracle cluster service:    crs_stop -all   crsctl stop crs              stop OS cluster:   cmviewcl   cmhaltcl -f       cmviewcl     

 session log

sfc12rc1:/# crsctl check crsCSS appears healthyCRS appears healthyEVM appears healthysfc12rc1:/# crsctl stop crs       --stop clusterStopping resources. This could take several minutes.Successfully stopped CRS resources.Stopping CSSD.Shutting down CSS daemon.Shutdown request successfully issued.sfc12rc1:/#sfc12rc1:/#sfc12rc1:/# cmviewcl   -- view information about a high availability cluster           CLUSTER        STATUS      clu_RACSFC12   up             NODE           STATUS       STATE         sfc12rc1       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP1    up            running       enabled      sfc12rc1       pkgSFC12DB1    up            running       disabled     sfc12rc1      NODE           STATUS       STATE         sfc12rc2       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP2    up            running       enabled      sfc12rc2            pkgSFC12DB2    up            running       disabled     sfc12rc2      NODE           STATUS       STATE         sfc12rc3       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP3    up            running       enabled      sfc12rc3       pkgSFC12DB3    up            running       disabled     sfc12rc3              sfc12rc1:/# cmhaltcl             --check a a high availability cluster healthyPackage pkgSFC12IP1 is still running on sfc12rc1.Package pkgSFC12IP2 is still running on sfc12rc2.Package pkgSFC12IP3 is still running on sfc12rc3.Package pkgSFC12DB1 is still running on sfc12rc1.Package pkgSFC12DB2 is still running on sfc12rc2.Package pkgSFC12DB3 is still running on sfc12rc3.Use the -f option to forcefully halt the cluster/node including halting packages.sfc12rc1:/# cmhaltcl -fDisabling all packages from starting on nodes to be halted.Warning:  Do not modify or enable packages until the halt operation is completed.Disabling automatic failover for failover packages to be halted.Halting package pkgSFC12IP1Successfully halted package pkgSFC12IP1Halting package pkgSFC12DB1Successfully halted package pkgSFC12DB1Halting package pkgSFC12IP2Successfully halted package pkgSFC12IP2Halting package pkgSFC12DB2Successfully halted package pkgSFC12DB2Halting package pkgSFC12IP3Successfully halted package pkgSFC12IP3    Halting package pkgSFC12DB3Successfully halted package pkgSFC12DB3This operation may take some time.Waiting for nodes to halt ... doneSuccessfully halted all nodes specified.Halt operation complete.sfc12rc1:/# cmviewcl      --check os cluster is down           CLUSTER        STATUS      clu_RACSFC12   down           NODE           STATUS       STATE         sfc12rc1       down         unknown       sfc12rc2       down         unknown       sfc12rc3       down         unknown        UNOWNED_PACKAGES               PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP1    down          halted        enabled      unowned        pkgSFC12IP2    down          halted        enabled      unowned        pkgSFC12IP3    down          halted        enabled      unowned        pkgSFC12DB1    down          halted        disabled     unowned        pkgSFC12DB2    down          halted        disabled     unowned        pkgSFC12DB3    down          halted        disabled     unowned    sfc12rc1:/#           ----------------------------------------------------------------------

4. create VG&LV in sfc12rc1, then export VG mapfile:​​​​​​​

   Sfc12rc1:   pvcreate /dev/rdisk/disk98       pvcreate /dev/rdisk/disk103   mkdir /dev/vg_ora_data04   mknod /dev/vg_ora_data04/group c 64 0x070000              vgcreate -l 10 -s 32 vg_ora_data06 /dev/disk/disk114   vgextend vg_ora_data06 /dev/disk/disk119   vgdisplay vg_ora_data04   vgdisplay -v vg_ora_data04              lvcreate -l 9597 -n lvdata05 vg_ora_data04   lvcreate -l 9597 -n lvdata06 vg_ora_data04              mkdir -p /tmp/20111231  --from sfc12rc1 to sfc12rc3   vgexport -p -v -s -m /tmp/20111231/vg_ora_data04.map vg_ora_data04   rcp /tmp/20111231/vg_ora_data04.map sfc12rc2:/tmp/20111231   rcp /tmp/20111231/vg_ora_data04.map sfc12rc3:/tmp/20111231

sfc12rc1:/# pvcreate /dev/rdisk/disk98      --create physical volumePhysical volume "/dev/rdisk/disk98" has been successfully created.sfc12rc1:/# pvcreate /dev/rdisk/disk103     --create physical volumePhysical volume "/dev/rdisk/disk103" has been successfully created.sfc12rc1:/# ls -lrt /dev/vg_ora_data04/dev/vg_ora_data04 not found                      sfc12rc1:/# mkdir /dev/vg_ora_data04    sfc12rc1:/# mknod /dev/vg_ora_data06/group c 64 0x090000   --最后编号与其他VG不同即可sfc12rc1:/# ls -lrt /dev/vg_ora_data04  total 0crw-r--r--   1 root       sys         64 0x070000 Dec 31 08:53 group               sfc12rc1:/# vgdisplay vg_ora_data04   --display information about LVM volume groups--- Volume groups ---VG Name                     /dev/vg_ora_data04VG Write Access             read/write    VG Status                   available                Max LV                      10    Cur LV                      0     Open LV                     0     Max PV                      16    Cur PV                      2     Act PV                      2     Max PE per PV               9599        VGDA                        4  PE Size (Mbytes)            32             Total PE                    19198  Alloc PE                    0      Free PE                     19198  Total PVG                   0       Total Spare PVs             0             Total Spare PVs in use      0                    VG Version                  1.0      VG Max Size                 4914688m  VG Max Extents              153584                  sfc12rc1:/# vgdisplay -v vg_ora_data04--- Volume groups ---VG Name                     /dev/vg_ora_data04VG Write Access             read/write    VG Status                   available                Max LV                      10    Cur LV                      0     Open LV                     0     Max PV                      16    Cur PV                      2     Act PV                      2     Max PE per PV               9599        VGDA                        4       PE Size (Mbytes)            32             Total PE                    19198  Alloc PE                    0      Free PE                     19198  Total PVG                   0       Total Spare PVs             0             Total Spare PVs in use      0                    VG Version                  1.0      VG Max Size                 4914688m  VG Max Extents              153584                                --- Physical volumes ---   PV Name                     /dev/disk/disk98   PV Status                   available                  Total PE                    9599      Free PE                     9599      Autoswitch                  On          Proactive Polling           On                            PV Name                     /dev/disk/disk103   PV Status                   available                  Total PE                    9599      Free PE                     9599      Autoswitch                  On          Proactive Polling           On                                    sfc12rc1:/#sfc12rc1:/# lvcreate -l 9597 -n lvdata08 vg_ora_data06  --create logical volume / Max PE per PV 9599 但是要预留2个pe给系统使用Logical volume "/dev/vg_ora_data04/lvdata05" has been successfully created withcharacter device "/dev/vg_ora_data04/rlvdata05".Logical volume "/dev/vg_ora_data04/lvdata05" has been successfully extended.    Volume Group configuration for /dev/vg_ora_data04 has been saved in /etc/lvmconf/vg_ora_data04.confsfc12rc1:/# lvcreate -l 9597 -n lvdata09 vg_ora_data06Logical volume "/dev/vg_ora_data04/lvdata06" has been successfully created withcharacter device "/dev/vg_ora_data04/rlvdata06".Logical volume "/dev/vg_ora_data04/lvdata06" has been successfully extended.Volume Group configuration for /dev/vg_ora_data04 has been saved in /etc/lvmconf/vg_ora_data04.confsfc12rc1:/#sfc12rc1:/# lvdisplay /dev/vg_ora_data04/lvdata05   --show LV information--- Logical volumes ---LV Name                     /dev/vg_ora_data04/lvdata05VG Name                     /dev/vg_ora_data04LV Permission               read/write      LV Status                   available/syncd          Mirror copies               0           Consistency Recovery        MWC                Schedule                    parallel     LV Size (Mbytes)            307104         Current LE                  9597     Allocated PE                9597       Stripes                     0      Stripe Size (Kbytes)        0                  Bad block                   on          Allocation                  strict                   IO Timeout (Seconds)        default                       sfc12rc1:/#sfc12rc1:/# mkdir -p /tmp/20111231sfc12rc1:/# vgexport -p -v -s -m /tmp/20181001/vg_ora_data06.map vg_ora_data06--将vg配置信息导入到文件Beginning the export process on Volume Group "vg_ora_data04".    vgexport: Volume group "vg_ora_data04" is still active./dev/disk/disk98/dev/disk/disk103vgexport: Preview of vgexport on volume group "vg_ora_data04" succeeded.sfc12rc1:/#sfc12rc1:/# rcp /tmp/20181001/vg_ora_data06.map sfc12rc2:/tmp/20181001sfc12rc1:/# rcp /tmp/20181001/vg_ora_data06.map sfc12rc3:/tmp/20181001--将VG配置文件copy 到另外两个节点sfc12rc1:/#

5. import VG mapfile from sfc12rc1 to sfc12rc2:​​​​​​​

 sfc12rc2:   mkdir /dev/vg_ora_data04   mknod /dev/vg_ora_data04/group c 64 0x070000   vgimport -v -m /tmp/20181001/vg_ora_data06.map vg_ora_data06 /dev/disk/disk118 \   /dev/disk/disk119           sfc12rc2:/# mkdir /dev/vg_ora_data06sfc12rc2:/# mknod /dev/vg_ora_data06/group c 64 0x090000sfc12rc2:/# ls -lrt /dev/vg_ora_data06total 0crw-r--r--   1 root       sys         64 0x070000 Dec 31 09:03 groupsfc12rc2:/# vgimport -v -m /tmp/20111231/vg_ora_data04.map vg_ora_data04 /dev/disk/disk97 \>    /dev/disk/disk103--将vg配置信息导入到该节点Beginning the import process on Volume Group "vg_ora_data04".vgimport: Warning:  Volume Group belongs to different CPU ID.Can not determine if Volume Group is in use on another system. Continuing.Logical volume "/dev/vg_ora_data04/lvdata05" has been successfully created    with lv number 1.Logical volume "/dev/vg_ora_data04/lvdata06" has been successfully createdwith lv number 2.vgimport: Volume group "/dev/vg_ora_data04" has been successfully created.Warning: A backup of this volume group may not exist on this machine.Please remember to take a backup using the vgcfgbackup command after activating the volume group.sfc12rc2:/# vgdisplay vg_ora_data04 vgdisplay: Volume group not activated.vgdisplay: Cannot display volume group "vg_ora_data04".sfc12rc2:/# vgdisplay -v vg_ora_data04   vgdisplay: Volume group not activated.vgdisplay: Cannot display volume group "vg_ora_data04".sfc12rc2:/# lvdisplay /dev/vg_ora_data04/lvdata05lvdisplay: Couldn't query logical volume "/dev/vg_ora_data04/lvdata05":Volume group not activated.           lvdisplay: Cannot display logical volume "/dev/vg_ora_data04/lvdata05".sfc12rc2:/#           ----------------------------------------------------------------------

6. import VG mapfile from sfc12rc1 to sfc12rc3:

   sfc12rc3:   mkdir /dev/vg_ora_data06   mknod /dev/vg_ora_data06/group c 64 0x090000   vgimport -v -m /tmp/20181001/vg_ora_data06.map vg_ora_data06 /dev/disk/disk118 \   /dev/disk/disk119                      sfc12rc3:/#sfc12rc3:/# mkdir /dev/vg_ora_data04    sfc12rc3:/# mknod /dev/vg_ora_data04/group c 64 0x070000sfc12rc3:/# vgimport -v -m /tmp/20111231/vg_ora_data04.map vg_ora_data04 /dev/disk/disk99 \>    /dev/disk/disk104--将vg配置信息导入到该节点Beginning the import process on Volume Group "vg_ora_data04".vgimport: Warning:  Volume Group belongs to different CPU ID.Can not determine if Volume Group is in use on another system. Continuing.Logical volume "/dev/vg_ora_data04/lvdata05" has been successfully createdwith lv number 1.Logical volume "/dev/vg_ora_data04/lvdata06" has been successfully createdwith lv number 2.vgimport: Volume group "/dev/vg_ora_data04" has been successfully created.Warning: A backup of this volume group may not exist on this machine.Please remember to take a backup using the vgcfgbackup command after activating the volume group.sfc12rc3:/#           ----------------------------------------------------------------------

7. modify cluster configration file and apply in sfc12rc1:

 sfc12rc1:   cd /etc/cmcluster/   备份并且修改 /etc/cmcluster/cluster_sfc12.ascii 文件   在原有的vg下面，加入新的卷組信息    OPS_VOLUME_GROUP               /dev/vg_ora_data04              cmcheckconf -v -C /etc/cmcluster/cluster_sfc12.ascii              cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii                  rcp -p cluster_sfc12.ascii sfc12rc2:/etc/cmcluster/   rcp -p cluster_sfc12.ascii sfc12rc3:/etc/cmcluster/

​​​​​​​

cd pkgSFC12DB1   修改pkgSFC12DB1配置   备份并且在pkgSFC12DB1.cntl中加入   VG[5]=vg_ora_data04              cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii -P \   /etc/cmcluster/pkgSFC12DB1/pkgSFC12DB1.conf                      sfc12rc1:/# cd /etc/cmcluster/sfc12rc1:/etc/cmcluster# ls -lrttotal 208-r--------   1 bin        bin            118 Mar 16  2007 cmknowncmdsdrwxr-xr-x   2 bin        bin           8192 Oct 22  2008 cfsdr-xr-xr-x   2 bin        bin             96 Oct 22  2008 examplesdr-xr-xr-x   4 root       root            96 Oct 22  2008 modulesdr-xr-xr-x   5 bin        bin             96 Jan  7  2009 scriptsdr-xr-xr-x   2 bin        bin           8192 Jan  7  2009 lib-rw-r--r--   1 root       sys             11 Jan 15  2009 mapfile----------   1 root       root             0 Jan 15  2009 config.lckdrwxr-xr-x   2 root       sys             96 Jan 15  2009 pkgSFC12IP1drwxr-xr-x   2 root       sys             96 Feb  9  2009 pkgSFC12IP3drwxr-xr-x   2 root       sys             96 Feb 20  2009 pkgSFC12IP2-rw-r--r--   1 root       sys          10458 Jun 29  2009 cluster_sfc12.ascii20100921drwx------   2 root       sys           8192 Sep 21  2010 pkgSFC12DB1-rw-r--r--   1 root       sys          10495 Oct  2  2010 cluster_sfc12.ascii    -rw-------   1 root       root         30916 Dec 31 08:45 cmclconfig-rw-------   1 root       root             0 Dec 31 08:45 cmclconfig.tmpsfc12rc1:/etc/cmcluster# cp cluster_sfc12.ascii cluster_sfc12.ascii20111231-- –修改系统文件前 先备份sfc12rc1:/etc/cmcluster# vi /etc/cmcluster/cluster_sfc12.ascii--在文件最后加入新的卷组信息OPS_VOLUME_GROUP  /dev/vg_ora_data04sfc12rc1:/etc/cmcluster#sfc12rc1:/etc/cmcluster# cmcheckconf -v -C /etc/cmcluster/cluster_sfc12.ascii---检查修改后的文件是否有错误Begin cluster verification...Checking cluster file: /etc/cmcluster/cluster_sfc12.asciiChecking nodes ... DoneChecking existing configuration ... DoneGathering storage informationFound 20 devices on node sfc12rc1Found 20 devices on node sfc12rc2Found 20 devices on node sfc12rc3Analysis of 60 devices should take approximately 5 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Found 8 volume groups on node sfc12rc1Found 8 volume groups on node sfc12rc2Found 8 volume groups on node sfc12rc3Analysis of 24 volume groups should take approximately 1 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Gathering network informationBeginning network probing (this may take a while)Completed network probingCluster clu_RACSFC12 is an existing cluster    Cluster clu_RACSFC12 is an existing clusterChecking for inconsistenciesMaximum configured packages parameter is 150.Configuring 6 package(s).144 package(s) can be added to this cluster.200 access policies can be added to this cluster.Modifying configuration on node sfc12rc1Modifying configuration on node sfc12rc2Modifying configuration on node sfc12rc3Modifying the cluster configuration for cluster clu_RACSFC12Modifying node sfc12rc1 in cluster clu_RACSFC12Modifying node sfc12rc2 in cluster clu_RACSFC12Modifying node sfc12rc3 in cluster clu_RACSFC12cmcheckconf: Verification completed with no errors found.Use the cmapplyconf command to apply the configuration.sfc12rc1:/etc/cmcluster#sfc12rc1:/etc/cmcluster# cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii--使修改生效Begin cluster verification...Checking cluster file: /etc/cmcluster/cluster_sfc12.asciiChecking nodes ... DoneChecking existing configuration ... DoneGathering storage informationFound 20 devices on node sfc12rc1Found 20 devices on node sfc12rc2Found 20 devices on node sfc12rc3Analysis of 60 devices should take approximately 5 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Found 8 volume groups on node sfc12rc1Found 8 volume groups on node sfc12rc2Found 8 volume groups on node sfc12rc3Analysis of 24 volume groups should take approximately 1 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%    Gathering network informationBeginning network probing (this may take a while)Completed network probingCluster clu_RACSFC12 is an existing clusterCluster clu_RACSFC12 is an existing clusterChecking for inconsistenciesMaximum configured packages parameter is 150.Configuring 6 package(s).144 package(s) can be added to this cluster.200 access policies can be added to this cluster.Modifying configuration on node sfc12rc1Modifying configuration on node sfc12rc2Modifying configuration on node sfc12rc3Modifying the cluster configuration for cluster clu_RACSFC12Modifying node sfc12rc1 in cluster clu_RACSFC12Modifying node sfc12rc2 in cluster clu_RACSFC12Modifying node sfc12rc3 in cluster clu_RACSFC12           Modify the cluster configuration ([y]/n)? yMarking/unmarking volume groups for use in the clusterCompleted the cluster creationsfc12rc1:/etc/cmcluster#sfc12rc1:/etc/cmcluster# rcp -p cluster_sfc12.ascii sfc12rc2:/etc/cmcluster/sfc12rc1:/etc/cmcluster# rcp -p cluster_sfc12.ascii sfc12rc3:/etc/cmcluster/--将修改OK的cluster_sfc12.ascii文件copy到另外两个节点sfc12rc1:/etc/cmcluster#sfc12rc1:/etc/cmcluster# cd pkgSFC12DB1sfc12rc1:/etc/cmcluster/pkgSFC12DB1# ls -lrttotal 464-rwx------   1 root       sys          26764 Jan 15  2009 pkgSFC12DB1.conf-rwx------   1 root       sys          64281 Jun 29  2009 pkgSFC12DB1.cntl20100921-rwx------   1 root       sys          64301 Oct  2  2010 pkgSFC12DB1.cntl    -rw-r--r--   1 root       root         67729 Dec 31 08:47 pkgSFC12DB1.cntl.logsfc12rc1:/etc/cmcluster/pkgSFC12DB1# cp pkgSFC12DB1.cntl pkgSFC12DB1.cntl20111231sfc12rc1:/etc/cmcluster/pkgSFC12DB1# vi pkgSFC12DB1.cntl#VG[0]=""           VG[0]=vg_ora_voteVG[1]=vg_ora_data01VG[2]=vg_ora_arch01VG[3]=vg_ora_data02VG[4]=vg_ora_data03VG[5]=vg_ora_data04    --新加sfc12rc1:/etc/cmcluster/pkgSFC12DB1#sfc12rc1:/etc/cmcluster/pkgSFC12DB1# cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii -P \>    /etc/cmcluster/pkgSFC12DB1/pkgSFC12DB1.confBegin cluster verification...Checking cluster file: /etc/cmcluster/cluster_sfc12.asciiChecking nodes ... DoneChecking existing configuration ... DoneGathering storage informationFound 20 devices on node sfc12rc1Found 20 devices on node sfc12rc2Found 20 devices on node sfc12rc3Analysis of 60 devices should take approximately 5 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Found 8 volume groups on node sfc12rc1Found 8 volume groups on node sfc12rc2Found 8 volume groups on node sfc12rc3Analysis of 24 volume groups should take approximately 1 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Gathering network informationBeginning network probing (this may take a while)    Completed network probingCluster clu_RACSFC12 is an existing clusterParsing package file: /etc/cmcluster/pkgSFC12DB1/pkgSFC12DB1.conf./etc/cmcluster/pkgSFC12DB1/pkgSFC12DB1.conf: A legacy package is being used.Package pkgSFC12DB1 already exists. It will be modified.Cluster clu_RACSFC12 is an existing clusterChecking for inconsistenciesMaximum configured packages parameter is 150.Configuring 6 package(s).144 package(s) can be added to this cluster.200 access policies can be added to this cluster.Modifying configuration on node sfc12rc1Modifying configuration on node sfc12rc2Modifying configuration on node sfc12rc3Modifying the cluster configuration for cluster clu_RACSFC12Modifying node sfc12rc1 in cluster clu_RACSFC12Modifying node sfc12rc2 in cluster clu_RACSFC12Modifying node sfc12rc3 in cluster clu_RACSFC12Modifying the package configuration for package pkgSFC12DB1.           Modify the cluster configuration ([y]/n)? y Marking/unmarking volume groups for use in the clusterCompleted the cluster creationsfc12rc1:/etc/cmcluster/pkgSFC12DB1#           ---------------------------------------------------------------------

8. modify cluster configration file and apply in sfc12rc2:  

sfc12rc2:   cd /etc/cmcluster/pkgSFC12DB2   修改pkgSFC12DB2配置   备份并在pkgSFC12DB2.cntl中加入   VG[5]=vg_ora_data04              cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii -P \       /etc/cmcluster/pkgSFC12DB2/pkgSFC12DB2.conf           sfc12rc2:/# cd /etc/cmcluster/pkgSFC12DB2sfc12rc2:/etc/cmcluster/pkgSFC12DB2# ls -lrttotal 448-rwx------   1 root       sys          26764 Jan 15  2009 pkgSFC12DB2.conf-rwx------   1 root       sys          64281 Jun 29  2009 pkgSFC12DB2.cntl20100921-rwx------   1 root       sys          64301 Oct  2  2010 pkgSFC12DB2.cntl-rw-r--r--   1 root       root         65051 Dec 31 08:47 pkgSFC12DB2.cntl.logsfc12rc2:/etc/cmcluster/pkgSFC12DB2# vi pkgSFC12DB2.cntl#VG[0]=""           VG[0]=vg_ora_voteVG[1]=vg_ora_data01VG[2]=vg_ora_arch01VG[3]=vg_ora_data02VG[4]=vg_ora_data03VG[5]=vg_ora_data04    --新加sfc12rc2:/etc/cmcluster/pkgSFC12DB2#sfc12rc2:/etc/cmcluster/pkgSFC12DB2# cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii -P \>    /etc/cmcluster/pkgSFC12DB2/pkgSFC12DB2.confBegin cluster verification...Checking cluster file: /etc/cmcluster/cluster_sfc12.asciiChecking nodes ... DoneChecking existing configuration ... DoneGathering storage informationFound 20 devices on node sfc12rc1Found 20 devices on node sfc12rc2Found 20 devices on node sfc12rc3Analysis of 60 devices should take approximately 5 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%    Found 8 volume groups on node sfc12rc1Found 8 volume groups on node sfc12rc2Found 8 volume groups on node sfc12rc3Analysis of 24 volume groups should take approximately 1 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Gathering network informationBeginning network probing (this may take a while)Completed network probingCluster clu_RACSFC12 is an existing clusterParsing package file: /etc/cmcluster/pkgSFC12DB2/pkgSFC12DB2.conf./etc/cmcluster/pkgSFC12DB2/pkgSFC12DB2.conf: A legacy package is being used.Package pkgSFC12DB2 already exists. It will be modified.Cluster clu_RACSFC12 is an existing clusterChecking for inconsistenciesMaximum configured packages parameter is 150.Configuring 6 package(s).144 package(s) can be added to this cluster.200 access policies can be added to this cluster.Modifying configuration on node sfc12rc1Modifying configuration on node sfc12rc2Modifying configuration on node sfc12rc3Modifying the cluster configuration for cluster clu_RACSFC12Modifying node sfc12rc1 in cluster clu_RACSFC12Modifying node sfc12rc2 in cluster clu_RACSFC12Modifying node sfc12rc3 in cluster clu_RACSFC12Modifying the package configuration for package pkgSFC12DB2.           Modify the cluster configuration ([y]/n)? yMarking/unmarking volume groups for use in the clusterCompleted the cluster creationsfc12rc2:/etc/cmcluster/pkgSFC12DB2#           ---------------------------------------------------------------------

9. modify cluster configration file and apply in sfc12rc3:    

sfc12rc3:   cd /etc/cmcluster/pkgSFC12DB3   修改pkgSFC12DB3配置   备份并在pkgSFC12DB3.cntl中加入   VG[5]=vg_ora_data04              cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii -P \   /etc/cmcluster/pkgSFC12DB3/pkgSFC12DB3.conf                      sfc12rc3:/# cd /etc/cmcluster/pkgSFC12DB3sfc12rc3:/etc/cmcluster/pkgSFC12DB3# ls -lrttotal 448-rwx------   1 root       sys          26764 Jan 15  2009 pkgSFC12DB3.conf-rwx------   1 root       sys          64281 Jun 29  2009 pkgSFC12DB3.cntl20100921-rwx------   1 root       sys          64301 Oct  2  2010 pkgSFC12DB3.cntl-rw-r--r--   1 root       root         62722 Dec 31 08:47 pkgSFC12DB3.cntl.logsfc12rc3:/etc/cmcluster/pkgSFC12DB3# cp pkgSFC12DB3.cntl pkgSFC12DB3.cntl20111231sfc12rc3:/etc/cmcluster/pkgSFC12DB3# vi pkgSFC12DB3.cntl#VG[0]=""           VG[0]=vg_ora_voteVG[1]=vg_ora_data01VG[2]=vg_ora_arch01VG[3]=vg_ora_data02VG[4]=vg_ora_data03VG[5]=vg_ora_data04    --新加sfc12rc3:/etc/cmcluster/pkgSFC12DB3# cmapplyconf -v -C /etc/cmcluster/cluster_sfc12.ascii -P \>    /etc/cmcluster/pkgSFC12DB3/pkgSFC12DB3.conf    Begin cluster verification...Checking cluster file: /etc/cmcluster/cluster_sfc12.asciiChecking nodes ... DoneChecking existing configuration ... DoneGathering storage informationFound 20 devices on node sfc12rc1Found 20 devices on node sfc12rc2Found 20 devices on node sfc12rc3Analysis of 60 devices should take approximately 5 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Found 8 volume groups on node sfc12rc1Found 8 volume groups on node sfc12rc2Found 8 volume groups on node sfc12rc3Analysis of 24 volume groups should take approximately 1 seconds0%----10%----20%----30%----40%----50%----60%----70%----80%----90%----100%Gathering network informationBeginning network probing (this may take a while)Completed network probingCluster clu_RACSFC12 is an existing clusterParsing package file: /etc/cmcluster/pkgSFC12DB3/pkgSFC12DB3.conf./etc/cmcluster/pkgSFC12DB3/pkgSFC12DB3.conf: A legacy package is being used.Package pkgSFC12DB3 already exists. It will be modified.Cluster clu_RACSFC12 is an existing clusterChecking for inconsistenciesMaximum configured packages parameter is 150.Configuring 6 package(s).144 package(s) can be added to this cluster.200 access policies can be added to this cluster.Modifying configuration on node sfc12rc1Modifying configuration on node sfc12rc2Modifying configuration on node sfc12rc3Modifying the cluster configuration for cluster clu_RACSFC12Modifying node sfc12rc1 in cluster clu_RACSFC12    Modifying node sfc12rc2 in cluster clu_RACSFC12Modifying node sfc12rc3 in cluster clu_RACSFC12Modifying the package configuration for package pkgSFC12DB3.           Modify the cluster configuration ([y]/n)? yMarking/unmarking volume groups for use in the clusterCompleted the cluster creationsfc12rc3:/etc/cmcluster/pkgSFC12DB3#           --------------------------------------------------------------------

10. start OS cluster in sfc12rc1:

   

 vgchange -a n vg_ora_data04    cmruncl    cmviewcl    cmrunpkg -n sfc12rc1 pkgSFC12DB1    cmrunpkg -n sfc12rc2 pkgSFC12DB2    cmrunpkg -n sfc12rc3 pkgSFC12DB3    cmviewcl           sfc12rc1:/#sfc12rc1:/# vgchange -a n vg_ora_data04Volume group "vg_ora_data04" has been successfully changed.sfc12rc1:/# vgdisplay /dev/vg_ora_data04vgdisplay: Volume group not activated.vgdisplay: Cannot display volume group "/dev/vg_ora_data04".sfc12rc1:/# cmruncl   --启动clustercmruncl: Validating network configuration...cmruncl: Network validation completecmruncl: Validating cluster lock disk .... DoneWaiting for cluster to form ....... doneCluster successfully formed.Check the syslog files on all nodes in the cluster to verify that no warnings occurred during startup.sfc12rc1:/# cmviewcl    --查看状态CLUSTER        STATUS      clu_RACSFC12   up                  NODE           STATUS       STATE         sfc12rc1       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP1    up            running       enabled      sfc12rc1      NODE           STATUS       STATE         sfc12rc2       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP2    up            running       enabled      sfc12rc2      NODE           STATUS       STATE         sfc12rc3       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP3    up            running       enabled      sfc12rc3      UNOWNED_PACKAGES               PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12DB1    down          halted        disabled     unowned        pkgSFC12DB2    down          halted        disabled     unowned        pkgSFC12DB3    down          halted        disabled     unowned    sfc12rc1:/# cmrunpkg -n sfc12rc1 pkgSFC12DB1 -PKG不会自动启动 需要手动启动    Running package pkgSFC12DB1 on node sfc12rc1Successfully started package pkgSFC12DB1 on node sfc12rc1cmrunpkg: All specified packages are runningsfc12rc1:/# cmrunpkg -n sfc12rc2 pkgSFC12DB2Running package pkgSFC12DB2 on node sfc12rc2Successfully started package pkgSFC12DB2 on node sfc12rc2cmrunpkg: All specified packages are runningsfc12rc1:/# cmrunpkg -n sfc12rc3 pkgSFC12DB3Running package pkgSFC12DB3 on node sfc12rc3Successfully started package pkgSFC12DB3 on node sfc12rc3cmrunpkg: All specified packages are runningsfc12rc1:/# cmviewcl          --show cluster status                        CLUSTER        STATUS      clu_RACSFC12   up             NODE           STATUS       STATE         sfc12rc1       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP1    up            running       enabled      sfc12rc1       pkgSFC12DB1    up            running       disabled     sfc12rc1      NODE           STATUS       STATE         sfc12rc2       up           running                    PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP2    up            running       enabled      sfc12rc2       pkgSFC12DB2    up            running       disabled     sfc12rc2      NODE           STATUS       STATE         sfc12rc3       up           running                         PACKAGE        STATUS        STATE         AUTO_RUN     NODE           pkgSFC12IP3    up            running       enabled      sfc12rc3       pkgSFC12DB3    up            running       disabled     sfc12rc3   sfc12rc1:/#           -------------------------------------------------------------------------------

11. chdange rlv properties and start oracle cluster from sfc12rc1 to sfc12rc3:

  

 chown oracle:dba /dev/vg_ora_data06/rlvdata08     chmod 660 /dev/vg_ora_data06/rlvdata08               chown oracle:dba /dev/vg_ora_data06/rlvdata09    chmod 660 /dev/vg_ora_data06/rlvdata09               ls -lrt /dev/vg_ora_data06/rlvdata*               vi /apps/oracle/admin/+ASM/pfile/init.ora    append ",'/dev/vg_ora_data06/rlvdata08','/dev/vg_ora_data06/rlvdata09'" to asm_diskstring               crsctl start crs           sfc12rc1:/#sfc12rc1:/# chown oracle:dba /dev/vg_ora_data04/rlvdata05   --change ownersfc12rc1:/# chmod 660 /dev/vg_ora_data04/rlvdata05        --change modesfc12rc1:/# chown oracle:dba /dev/vg_ora_data04/rlvdata06sfc12rc1:/# chmod 660 /dev/vg_ora_data04/rlvdata06sfc12rc1:/# ls -lrt /dev/vg_ora_data04/rlvdata*crw-rw----   1 oracle     dba         64 0x070001 Dec 31 08:57 /dev/vg_ora_data04/rlvdata05crw-rw----   1 oracle     dba         64 0x070002 Dec 31 08:57 /dev/vg_ora_data04/rlvdata06    sfc12rc1:/#sfc12rc1:/# crsctl start crs   --start crsAttempting to start CRS stackThe CRS stack will be started shortlysfc12rc1:/# crsctl check crs  --check crs statusCSS appears healthyCRS appears healthyEVM appears healthysfc12rc1:/#           --------------------------------------------------------------------------------

12. check all node find new disks,then add 2 disks to DGDATA diskgroup:

 column name format a20   select name,state,type,total_mb,free_mb,unbalanced from v$asm_diskgroup;   select name,path,total_mb,free_mb,MOUNT_STATUS,HEADER_STATUS,MODE_STATUS from v$asm_disk order by 1,2;              alter diskgroup dgdata add disk '/dev/vg_ora_data04/rlvdata05';   alter diskgroup dgdata add disk '/dev/vg_ora_data04/rlvdata06';   --   alter diskgroup dgdata rebalance power 11;              select * from v$asm_operation;   select name,total_mb,free_mb,unbalanced from v$asm_diskgroup;               select group_number,name,path,total_mb,free_mb,header_status from v$asm_disk order by 1,2;               idle>    column name format a20idle>    select name,state,type,total_mb,free_mb,unbalanced from v$asm_diskgroup;           NAME                 STATE                  TYPE           TOTAL_MB    FREE_MB UN-------------------- ---------------------- ------------ ---------- ---------- --DGARCH               MOUNTED                EXTERN           307104     304314 NDGDATA               MOUNTED                EXTERN          1228416     168358 N           idle>    select name,path,total_mb,free_mb,MOUNT_STATUS,HEADER_STATUS,MODE_STATUS from v$asm_disk order by 1,2;           NAME                 PATH                             TOTAL_MB    FREE_MB MOUNT_STATUS   HEADER_STATUS            MODE_STATUS-------------------- ------------------------------ ---------- ---------- -------------- ------------------------ --------------DGARCH_0000          /dev/vg_ora_arch01/rlvarch01       307104     304314 CACHED         MEMBER                   ONLINEDGDATA_0000          /dev/vg_ora_data01/rlvdata01       307104      42084 CACHED         MEMBER                   ONLINEDGDATA_0001          /dev/vg_ora_data02/rlvdata02       307104      42090 CACHED         MEMBER                   ONLINEDGDATA_0002          /dev/vg_ora_data03/rlvdata04       307104      42096 CACHED         MEMBER                   ONLINEDGDATA_0003          /dev/vg_ora_data03/rlvdata03       307104      42088 CACHED         MEMBER                   ONLINE                     /dev/vg_ora_data04/rlvdata05       307104          0 CLOSED         CANDIDATE                ONLINE                         /dev/vg_ora_data04/rlvdata06       307104          0 CLOSED         CANDIDATE                ONLINE           7 rows selected.           idle>idle> alter diskgroup dgdata add disk '/dev/vg_ora_data06/rlvdata08'; --add disk to diskgroupDiskgroup altered.           idle> alter diskgroup dgdata add disk '/dev/vg_ora_data06/rlvdata09'; --add disk to diskgroupDiskgroup altered.           idle> alter diskgroup dgdata rebalance power 11;  --rebalance diskgroup           Diskgroup altered.           idle>idle>idle>    select * from v$asm_operation;   select name,total_mb,free_mb,unbalanced from v$asm_diskgroup;           GROUP_NUMBER OPERATION  STATE         POWER     ACTUAL      SOFAR   EST_WORK   EST_RATE EST_MINUTES------------ ---------- -------- ---------- ---------- ---------- ---------- ---------- -----------           2 REBAL      RUN              11         11         35     353309       6160          57           idle>    select group_number,name,path,total_mb,free_mb,header_status from v$asm_disk order by 1,2;NAME                   TOTAL_MB    FREE_MB UN    -------------------- ---------- ---------- --DGARCH                   307104     304314 NDGDATA                  1842624     782558 N           idle> idle>           GROUP_NUMBER NAME                 PATH                             TOTAL_MB    FREE_MB HEADER_STATUS------------ -------------------- ------------------------------ ---------- ---------- ------------------------           1 DGARCH_0000          /dev/vg_ora_arch01/rlvarch01       307104     304314 MEMBER           2 DGDATA_0000          /dev/vg_ora_data01/rlvdata01       307104      42095 MEMBER           2 DGDATA_0001          /dev/vg_ora_data02/rlvdata02       307104      42102 MEMBER           2 DGDATA_0002          /dev/vg_ora_data03/rlvdata04       307104      42107 MEMBER           2 DGDATA_0003          /dev/vg_ora_data03/rlvdata03       307104      42098 MEMBER           2 DGDATA_0004          /dev/vg_ora_data04/rlvdata05       307104     307078 MEMBER           2 DGDATA_0005          /dev/vg_ora_data04/rlvdata06       307104     307078 MEMBER           7 rows selected.           idle>           -------------------------------------------------------------------------------------------------------------             --do from sfc12rc1 to sfc12rc3 if necessary, check init file is right:   alter system set asm_diskstring='/dev/vg_ora_arch01/rlvarch01','/dev/vg_ora_data01/rlvdata01','/dev/vg_ora_data02/rlvdata02','/dev/vg_ora_data03/rlvdata03','/dev/vg_ora_data03/rlvdata04','/dev/vg_ora_data04/rlvdata05','/dev/vg_ora_data04/rlvdata06';

相关文章：

HPUX系统Oracle RAC如何添加ASM磁盘

前言 HPUX简介 HP-UX (Hewlett-Packard Unix) 是惠普公司开发的类 Unix 操作系统。自 1980 年代问世以来，HP-UX 在技术和功能上不断发展，适应了多种硬件平台和企业计算需求。以下是 HP-UX 的发展历史概述： 1980 年代：起源与早期…...

编程日记 2024/6/11 6:15:40

Jmeter 压力测测试的简单入门

下载安装 官方网站：Apache JMeter - Download Apache JMeter 下载完成解压即可。 配置 1. 找到 bin 目录下的 ApacheJMeter.jar 包，直接打开 如果向图片这样不能直接打开，就在此路径运行 CMD，然后输入下面的命令即可启动。 ja…...

编程日记 2024/6/11 6:14:39

N叉树的层序遍历-力扣

本题同样是二叉树的层序遍历的扩展，只不过二叉树每个节点的子节点只有左右节点，而N叉树的子节点是一个数组，层序遍历到一个节点时，需要将这个节点的子节点数组的每个节点都入队。 代码如下： /* // Definition for a N…...

编程日记 2024/6/11 6:13:38

解决阿里云的端口添加安全组仍然无法扫描到

发现用线上的网站扫不到这个端口，这个端口关了，但是没有更详细信息了 我用nmap扫了一下我的这个端口，发现主机是活跃的，但是有防火墙，我们列出云服务器上面的这个防火墙list，发现确实没有5566端口 参考&a…...

编程日记 2024/6/11 6:11:35

【因果推断python】26_双重稳健估计1

目录 不要把所有的鸡蛋放在一个篮子里 双重稳健估计 关键思想 不要把所有的鸡蛋放在一个篮子里 我们已经学会了如何使用线性回归和倾向得分加权来估计 。但是我们应该在什么时候使用哪一个呢？在不明确的情况下，请同时使用两者！双重稳健估计…...

编程日记 2024/6/11 6:09:33

C语言 图形化界面方式连接MySQL【C/C++】【图形化界面组件分享】

博客主页：花果山~程序猿-CSDN博客 文章分栏：MySQL之旅_花果山~程序猿的博客-CSDN博客 关注我一起学习，一起进步，一起探索编程的无限可能吧！让我们一起努力，一起成长！ 目录 一.配置开发环境 二…...

编程日记 2024/6/11 6:06:29

Unity DOTS技术(十五) 物理系统

要解决性能的瓶颈问题,在DOTS中我们将不再使用Unity自带的物理组件. 下面来分享一下在DOTS中当如何使用物理插件. 一.导入插件 在使用DOTS系创建的实体我们会发现,游戏物体无法受物理系统影响进行运动.于是我们需要添加物理系统插件. 1.打开Package Manager > 搜索插件Uni…...

编程日记 2024/6/11 6:04:27

Java线程安全

线程安全 线程安全：线程安全：synchronized同步代码块:同步方法：成员同步方法:静态同步方法： Lock:应用： 单例模式：懒汉式：饿汉式：枚举饿汉式：双重检验锁： 线程…...

编程日记 2024/6/11 6:03:26

Solidity选择使用 require 语句还是条件语句结合手动触发 revert 操作？回滚交易和抛出异常如何选择？

文章目录 Solidity选择使用 require 语句还是条件语句结合手动触发 revert 操作？场景举例：回滚交易和抛出异常如何选择？ Solidity选择使用 require 语句还是条件语句结合手动触发 revert 操作？ IERC721 nft IERC721(nftAddress)…...

编程日记 2024/6/11 6:01:24

SpringCloud 网关配置websocket

一、nginx https://域名.com location /websocket/ { proxy_pass http://172.1.1.173:8181/; #内网网关IP proxy_http_version 1.1; proxy_read_timeout 360s; proxy_redirect off; proxy_set_header Upgrade $http_upgrade; …...

编程日记 2024/6/11 5:59:22

基于JavaScript 实现近邻算法以及优化方案

前言 近邻算法（K-Nearest Neighbors，简称 KNN）是一种简单的、广泛使用的分类和回归算法。它的基本思想是：给定一个待分类的样本，找到这个样本在特征空间中距离最近的 k 个样本，这 k 个样本的多数类别作为待…...

编程日记 2024/6/11 5:57:19

移动端适配和响应式页面中的常用单位

在移动端适配和响应式页面中，一般采用以下几种单位： 百分比（%）：百分比单位是相对于父元素的大小计算的。它可以用于设置宽度、高度、字体大小等属性，使得元素能够随着父元素的大小自动调整。百分比单位在响…...

编程日记 2024/6/11 5:56:19

麒麟v10系统arm64架构openssh9.7p1的rpm包

制作openssh 说明 理论上制作的多个rpm在arm64架构（aarch64）都适用 系统信息：4.19.90-17.ky10.aarch64 GNU/Linux 升级前备份好文件/etc/ssh、/etc/pam.d等以及开启telnet 升级后确认正常后关闭telnet 在之前制作过openssh-9.5p1基础上继续…...

编程日记 2024/6/11 5:52:14

刚刚❗️德勤2025校招暑期实习测评笔试SHL测评题库已发（答案）

📣德勤 2024暑期实习测评已发，正在申请的小伙伴看过来哦👀 ㊙️本次暑期实习优先考虑2025年本科及以上学历的毕业生，此次只有“审计及鉴定”“税务与商务咨询”两个部门开放了岗位~ ⚠️测评注意事项： &#x1f44…...

编程日记 2024/6/11 5:44:05

python对视频进行帧处理以及裁减部分区域

视频截取帧 废话不多说直接上代码： from cv2 import VideoCapture from cv2 import imwrite# 定义保存图片函数 # image:要保存的图片名字 # addr；图片地址与相片名字的前部分 # num: 相片，名字的后缀。int 类型 def save_image(image, add…...

编程日记 2024/6/11 5:43:04

Python栈的编程题目

你好，我是悦创。 下面是三道关于栈的编程题目，适合不同难度级别的练习： 1. 有效的括号（简单） 题目描述： 给定一个只包括 (，)，{，}，[ 和 ] 的字符串&#xf…...

编程日记 2024/6/11 5:40:02

ROS云课三分钟外传之CoppeliaSim_Edu_V4_1_0_Ubuntu16_04

三分钟热度试一试吧，走过路过不要错过。 参考之前： 从云课五分钟到一分钟之v-rep_pro_edu_v3_6_2-CSDN博客 git clone https://gitcode.net/ZhangRelay/v-rep_pro_edu_v3_6_2_ubuntu16_04.gittar -xf v-rep_pro_edu_v3_6_2_ubuntu16_04/V-REP_PRO_EDU…...

编程日记 2024/6/11 5:37:59

day28回溯算法part04| 93.复原IP地址 78.子集 90.子集II

**93.复原IP地址 ** 本期本来是很有难度的&#xff0c;不过 大家做完 分割回文串 之后&#xff0c;本题就容易很多了 题目链接/文章讲解 | 视频讲解 class Solution { public:vector<string> result;// pointNum记录加入的点的数量&#xff0c;其等于3的时候停止void b…...

编程日记 2024/6/11 5:35:57

SpringBoot项目启动时“jar中没有主清单属性”异常

资料参考 Spring Boot 启动时 “jar中没有主清单属性” 异常 - spring 中文网 (springdoc.cn) 实际解决 更详细的参考以上&#xff0c;我这边的话只需要在 pom文件 中加上 spring-boot-maven-plugin 插件就能解决该异常&#xff0c;具体如下&#xff1a; <build><p…...

编程日记 2024/6/11 5:34:56

vAttention：用于在没有Paged Attention的情况下Serving LLM

文章目录 0x0. 前言&#xff08;太长不看版&#xff09;0x1. 摘要0x2. 介绍&背景0x3. 使用PagedAttention模型的问题0x3.1 需要重写注意力kernel0x3.2 在服务框架中增加冗余0x3.3 性能开销0x3.3.1 GPU上的运行时开销0x3.3.2 CPU上的运行时开销 0x4. 对LLM服务系统的洞察0x5…...

编程日记 2024/6/11 5:32:54

Spark 之 入门讲解详细版（1）

1、简介 1.1 Spark简介 Spark是加州大学伯克利分校AMP实验室&#xff08;Algorithms, Machines, and People Lab&#xff09;开发通用内存并行计算框架。Spark在2013年6月进入Apache成为孵化项目&#xff0c;8个月后成为Apache顶级项目&#xff0c;速度之快足见过人之处&…...

编程新知 2025/6/28 12:46:22

Objective-C常用命名规范总结

【OC】常用命名规范总结 文章目录 【OC】常用命名规范总结1.类名&#xff08;Class Name)2.协议名&#xff08;Protocol Name)3.方法名&#xff08;Method Name)4.属性名&#xff08;Property Name&#xff09;5.局部变量/实例变量&#xff08;Local / Instance Variables&…...

编程新知 2025/6/21 15:57:46

Nuxt.js 中的路由配置详解

Nuxt.js 通过其内置的路由系统简化了应用的路由配置&#xff0c;使得开发者可以轻松地管理页面导航和 URL 结构。路由配置主要涉及页面组件的组织、动态路由的设置以及路由元信息的配置。 自动路由生成 Nuxt.js 会根据 pages 目录下的文件结构自动生成路由配置。每个文件都会对…...

编程新知 2025/6/26 3:27:15

屋顶变身“发电站” ，中天合创屋面分布式光伏发电项目顺利并网！

5月28日&#xff0c;中天合创屋面分布式光伏发电项目顺利并网发电&#xff0c;该项目位于内蒙古自治区鄂尔多斯市乌审旗&#xff0c;项目利用中天合创聚乙烯、聚丙烯仓库屋面作为场地建设光伏电站&#xff0c;总装机容量为9.96MWp。 项目投运后&#xff0c;每年可节约标煤3670…...

编程新知 2025/6/26 10:55:28

解决本地部署 SmolVLM2 大语言模型运行 flash-attn 报错

出现的问题 安装 flash-attn 会一直卡在 build 那一步或者运行报错 解决办法 是因为你安装的 flash-attn 版本没有对应上&#xff0c;所以报错&#xff0c;到 https://github.com/Dao-AILab/flash-attention/releases 下载对应版本&#xff0c;cu、torch、cp 的版本一定要对…...

编程新知 2025/6/15 5:19:16

鱼香ros docker配置镜像报错：https://registry-1.docker.io/v2/

使用鱼香ros一件安装docker时的https://registry-1.docker.io/v2/问题 一键安装指令 wget http://fishros.com/install -O fishros && . fishros出现问题&#xff1a;docker pull 失败 网络不同&#xff0c;需要使用镜像源 按照如下步骤操作 sudo vi /etc/docker/dae…...

编程新知 2025/6/16 13:40:18

在web-view 加载的本地及远程HTML中调用uniapp的API及网页和vue页面是如何通讯的？

uni-app 中 Web-view 与 Vue 页面的通讯机制详解 一、Web-view 简介 Web-view 是 uni-app 提供的一个重要组件&#xff0c;用于在原生应用中加载 HTML 页面&#xff1a; 支持加载本地 HTML 文件支持加载远程 HTML 页面实现 Web 与原生的双向通讯可用于嵌入第三方网页或 H5 应…...

编程新知 2025/6/21 2:45:17

return this；返回的是谁

一个审批系统的示例来演示责任链模式的实现。假设公司需要处理不同金额的采购申请&#xff0c;不同级别的经理有不同的审批权限&#xff1a; // 抽象处理者&#xff1a;审批者 abstract class Approver {protected Approver successor; // 下一个处理者// 设置下一个处理者pub…...

编程新知 2025/6/15 14:40:42

QT3D学习笔记——圆台、圆锥

类名作用Qt3DWindow3D渲染窗口容器QEntity场景中的实体&#xff08;对象或容器&#xff09;QCamera控制观察视角QPointLight点光源QConeMesh圆锥几何网格QTransform控制实体的位置/旋转/缩放QPhongMaterialPhong光照材质&#xff08;定义颜色、反光等&#xff09;QFirstPersonC…...

编程新知 2025/6/15 10:38:44

无人机侦测与反制技术的进展与应用

国家电网无人机侦测与反制技术的进展与应用 引言 随着无人机&#xff08;无人驾驶飞行器&#xff0c;UAV&#xff09;技术的快速发展&#xff0c;其在商业、娱乐和军事领域的广泛应用带来了新的安全挑战。特别是对于关键基础设施如电力系统&#xff0c;无人机的“黑飞”&…...

编程新知 2025/7/1 17:17:43