Veritas Storage Foundation and High Availability Solutions Release Notes

Veritas Storage Foundation™ and High ... - SORT - Symantec Veritas Storage Foundation™ and High ... - SORT - Symantec

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214Uninstalling version 6.0.3Rolling back manually# vxplex -o rm dis mirrootvol-01 \mirswapvol-01Note: Do not remove the plexes on the root disk that correspond to theoriginal disk partitions.■Enter the following command to convert all the encapsulated volumes inthe root disk back to being accessible directly through disk partitionsinstead of through volume devices. There must be at least one other diskin the rootdg disk group in addition to the root disk for vxunroot tosucceed.# /etc/vx/bin/vxunrootFollowing the removal of encapsulation, the system is restarted from theunencapsulated root disk.5 Enter the following command to check if any VxFS file systems are mounted:# df -F vxfsIf any VxFS file systems are present, unmount all of the VxFS file systemsthat are not under VCS control:# umount /filesystem6 If you have created any Veritas Volume Replicator (VVR) replicated volumegroups (RVGs) on your system, perform the following steps:■■Stop all applications that are involved in replication. For example, if adata volume contains a file system, unmount it.Use the vxrvg stop command to stop each RVG individually:# vxrvg -g diskgroup stop rvg_name■On the Primary node, use the vxrlink status command to verify that allRLINKs are up-to-date:# vxrlink -g diskgroup status rlink_nameNote: To avoid data corruption, do not proceed until all RLINKs areup-to-date.

Uninstalling version 6.0.3Rolling back manually2157 Stop activity to all VxVM volumes. For example, stop any applications suchas databases that access the volumes, and unmount any file systems thathave been created on the volumes.8 Stop all VxVM volumes by entering the following command for each diskgroup:# vxvol -g diskgroup stopallTo verify that no volumes remain open, enter the following command:# vxprint -Aht -e v_open9 Stop VCS along with all its resources. Then, stop the remaining resourcesmanually:# svcadm disable -t vcs10 If cluster fencing was originally configured in enabled mode, type the followingon all the nodes:# rm /etc/vxfenmode11 Unmount /dev/odm:# umount /dev/odm12 Unload the ODM module:# svcadm disable -t odm# modinfo | grep odm# modunload -i odm_mod_id13 Unload the cluster fencing (vxfen) module:# svcadm disable -t vxfen# modinfo | grep vxfen# modunload -i vxfen_mod_id14 Stop GAB and LLT in the following order:# svcadm disable -t gab# svcadm disable -t llt

214Uninstalling version 6.0.3Rolling back manually# vxplex -o rm dis mirrootvol-01 \mirswapvol-01Note: Do not remove the plexes on the root disk that correspond to theoriginal disk partitions.■Enter the following comm<strong>and</strong> to convert all the encapsulated volumes inthe root disk back to being accessible directly through disk partitionsinstead of through volume devices. There must be at least one other diskin the rootdg disk group in addition to the root disk for vxunroot tosucceed.# /etc/vx/bin/vxunrootFollowing the removal of encapsulation, the system is restarted from theunencapsulated root disk.5 Enter the following comm<strong>and</strong> to check if any VxFS file systems are mounted:# df -F vxfsIf any VxFS file systems are present, unmount all of the VxFS file systemsthat are not under VCS control:# umount /filesystem6 If you have created any <strong>Veritas</strong> Volume Replicator (VVR) replicated volumegroups (RVGs) on your system, perform the following steps:■■Stop all applications that are involved in replication. For example, if adata volume contains a file system, unmount it.Use the vxrvg stop comm<strong>and</strong> to stop each RVG individually:# vxrvg -g diskgroup stop rvg_name■On the Primary node, use the vxrlink status comm<strong>and</strong> to verify that allRLINKs are up-to-date:# vxrlink -g diskgroup status rlink_nameNote: To avoid data corruption, do not proceed until all RLINKs areup-to-date.

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