Powering On The External Storage System (I/O At Primary Site) - Hitachi G1000 User Manual

raidcom disconnect external_grp -ldev_id 0x999 -IH0
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, confirm that the quorum
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disk has been disconnected.
raidcom get path -path_grp 1 -IH0
6 Power off the external storage system.
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Powering on the external storage system (I/O at primary site)

1 Power on the external storage system.
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2 Confirm that the primary and secondary storage systems and the external
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storage system for the quorum disk do not have any blocked parts.
If any parts are blocked, recover them.
3 Check for SIMs about path blockage, and delete the SIMs.
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4 On the primary and secondary storage systems, establish the connections
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to the quorum disks.
raidcom check_ext_storage external_grp -ldev_id 0x9999 -IH0
5 On the primary and secondary storage systems, confirm that the
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connections to the quorum disks have been established.
raidcom get external_grp -external_grp_id 1-1 -IH0
6 Confirm that the external volumes of the primary and secondary storage
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systems are recognized as quorum disks.
raidcom get ldev -ldev_id 0x9999 -IH0
7 Check for SIMs about quorum disk blockade, and delete the SIMs.
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8 Confirm that the pair status of the P-VOLs of the GAD pairs is PSUS(Local)
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and that the pair status of the S-VOLs is SSUS(Block).
pairdisplay -g oraHA -fcxe -IH0
9 Wait for more than 5 minutes after completing step 4, and then
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resynchronize the GAD pairs on the primary storage system by specifying
the primary volume.
pairresync -g oraHA -IH0
10 Confirm that the pair status of the P-VOLs and S-VOLs of the GAD pairs
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has changed to PAIR (Mirror (RL)).
pairdisplay -g oraHA -fcxe -IH0
11 Using the alternate path software, resume server I/O to the storage
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system at the secondary site.
7-4
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide
Planned outage of global-active device storage systems