pairdisplay -g oraHA -fcxe -IH0
7. Resume I/O from the servers to the primary and secondary storage
systems.
Planned power off/on of the primary and external storage
systems
Powering off the primary and external storage systems
1. Direct server I/O to the secondary storage system.
Using the alternate path software, stop I/O from the servers to the
primary storage system.
2. On the secondary storage system, swap and suspend the GAD pairs
(swap suspension).
pairsplit -g oraHA -RS -IH1
3. Confirm that the pair status of the P-VOLs of the GAD pairs has changed
to PSUS(Block) and that the pair status of the S-VOLs has changed to
SSWS(Local).
pairdisplay -g oraHA -fcxe -IH1
4. On the primary and secondary storage systems, disconnect the quorum
disks.
raidcom disconnect external_grp -ldev_id 0x8888 -IH1
Note: When you disconnect a quorum disk, SIM (DEF0ZZ*) (quorum disk
blockade) might be issued. If this SIM is issued, delete the SIM after
powering on the storage system and reconnecting the quorum disk.
*ZZ: quorum disk ID
5. On the primary and secondary storage systems, verify that the quorum
disks have been disconnected.
raidcom get path -path_grp 1 -IH1
6. Power off the storage system at the primary site and the external storage
system.
Powering on the primary and external storage systems
1. Power on the storage system at the primary site and the external storage
system.
2. Confirm that the primary and secondary storage systems and the external
storage system for the quorum disks do not have any blocked parts.
If any parts are blocked, recover them.
3. Check for SIMs about path blockage, and delete the SIMs.
4. On the primary and secondary storage systems, establish connections to
the quorum disks.
raidcom check_ext_storage external_grp -ldev_id 0x8888 -IH1
Planned outage of global-active device storage systems
7-7
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide
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