Tag Archives: USP_V

Children often ask me what I do at work (as a storage systems administrator)

And here is the answer for them right in the The Amazing World of Gumball – one of the funniest cartoon ever! See the “hacking” moment in the Safety episode (S03E32) where Anais talks about storage administration: The transcript: Gumball: … Continue reading

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Quick check for Command Devices mapped from Hitachi arrays

In CCI, under HORCM/etc run: raidscan -x findcmddev 0-100 If Tuning Manager Agents are installed: INSTALLATION-PATH/jp1pc/tools/jpctdlistraid In MS Windows it’s better to specify Command devices like \\.\CMD-12345 instead of \\.\PhysicalDriveX where possible to avoid occasional drive mix after reboot. UPDATE … Continue reading

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How to expand LDEVs on Hitachi storage systems using CCI

For USP-V and earlier systems: raidvchkset -I1234 -g GROUP_TO_EXPAND –d LDEV_TO_EXPAND -vext 20G This command adds 20 GB to the LDEV_TO_EXPAND in GROUP_TO_EXPAND using 1234 HORCM instance. A valid entry for the GROUP_TO_EXPAND/LDEV_TO_EXPAND must be present in horcm1234.conf. Starting with … Continue reading

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