Disaster recovery operations, Switching operations to the secondary site – HP StorageWorks XP Remote Web Console Software User Manual
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Continuous Access XP Journal user guide 173
NOTE:
When the S-VOL is the file system managed by NAS Sync Image, delete the CIFS/NFS
shares under the differential-data snapshots using the
enas_nfsdelete
and
enas_cifsdelete
commands, unmount the differential-data snapshots using the
syncumount
command, and release
the differential-data storage devices using the
syncstop
command.
3.
At the secondary site, delete the S-VOL file system using the
enas_fsdelete
command.
4.
At the primary site, delete the Continuous Access XP Journal volume pair.
sudo pairsplit {-g group-name|-d volume-name} -S
5.
At the primary site, verify that the Continuous Access XP Journal volume pair has been deleted.
sudo pairvolchk {-g group-name|-d volume-name}
pairvolchk: Volstat is P-VOL.[status = COPY] => Deleting
pairvolchk: Volstat is P-VOL.[status = SMPL] => Deleted
6.
At the primary site and the secondary site, stop RAID Manager XP.
sudo horcmshutdown.sh
(1-instance configuration)
sudo horcmshutdown.sh 16 17
(2-instance configuration)
NOTE:
If you start the split pair operation with offline backup, but you have not yet connected the target
file system to the NAS package at the secondary site, finish connecting the target file system to the NAS
package, and then start the previously described operations. If you start the split pair operation with online
backup, but you have not yet connected the target file system to the NAS package at the secondary site,
finish connecting the target file system to the NAS package, and then start the previously described
operations (see ”
Splitting Continuous Access XP Journal volume pairs
To delete the Continuous Access XP Journal volume pair in a status other than PSUS status:
1.
At the primary site, delete the Continuous Access XP Journal volume pair.
sudo pairsplit {-g group name|-d volume name} -S
2.
At the primary site, verify that the Continuous Access XP Journal volume pair has been deleted.
sudo pairvolchk {-g group name|-d volume name}
pairvolchk: Volstat is P-VOL.[status = COPY] => Deleting
pairvolchk: Volstat is P-VOL.[status = SMPL] => Deleted
3.
At the secondary site, release the device file used in the target file system.
• Non-LVM:
?sudo horc_svol_delete -d Device-file-number
• LVM:
?sudo horc_svol_vmdelete -d Device-file-number, ...
4.
At the primary and secondary sites, stop RAID Manager XP.
sudo horcmshutdown.sh
(1-instance configuration)
sudo horcmshutdown.sh 16 17
(2-instances configuration)
Disaster recovery operations
This section describes procedures for disaster recovery operations. You might also want to refer to
Settings for disaster recovery
Switching operations to the secondary site
To recover data from a disaster:
1.
Execute SVOL-Takeover using the
horctakeover
command.
sudo horctakeover {-g group-name|-d volume-name} -t timeout-period
2.
Connect the target file system to the NAS package.