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тАО07-18-2002 08:04 AM
тАО07-18-2002 08:04 AM
Hi All.
I have an L3000 hpux 11.0 server. It is connected via SCSI to an AutoRAID array and also via Fibre Channel to an IBM Shark array.
The IBM guys need to upgrade the Microcode on the Shark and will be powering it down on an upcoming weekend. Fortunately the filesystems I have over on the Shark are not critical.
Can I simply umount the filesystems mounted over there prior to the array shutdown? Or will I need to completely remove the LVM definitions for those disks too?
The EMS is already disabled for those disks because it reports bogus errors on them all the time.
Thanks in advance,
Tim
I have an L3000 hpux 11.0 server. It is connected via SCSI to an AutoRAID array and also via Fibre Channel to an IBM Shark array.
The IBM guys need to upgrade the Microcode on the Shark and will be powering it down on an upcoming weekend. Fortunately the filesystems I have over on the Shark are not critical.
Can I simply umount the filesystems mounted over there prior to the array shutdown? Or will I need to completely remove the LVM definitions for those disks too?
The EMS is already disabled for those disks because it reports bogus errors on them all the time.
Thanks in advance,
Tim
Solved! Go to Solution.
3 REPLIES 3
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тАО07-18-2002 08:12 AM
тАО07-18-2002 08:12 AM
Solution
All you should need to do is umount the filesystems. I would also do a vgchange -a n /dev/vgxx. You should then be able to power down. As long as the IBM Mr. Goodwrench guys leave the LUN's defined (and they should) then you simply come back in and do a vgchange -a y /dev/vgxx and remount the filesystems.
Of course, the smart thing to do is make sure that you have good backups before these guys arrive. One of God's rules is that if you have good backups then you don't need them.
Of course, the smart thing to do is make sure that you have good backups before these guys arrive. One of God's rules is that if you have good backups then you don't need them.
If it ain't broke, I can fix that.
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тАО07-18-2002 08:13 AM
тАО07-18-2002 08:13 AM
Re: Powering down storage array
Hey,
From the HP side, you can just unmount the filesystems. No need to remove the LVM definitions for the disks. Simply deactivate the volume groups. Check you backed up data also !!!
Piyush
From the HP side, you can just unmount the filesystems. No need to remove the LVM definitions for the disks. Simply deactivate the volume groups. Check you backed up data also !!!
Piyush
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тАО07-18-2002 08:21 AM
тАО07-18-2002 08:21 AM
Re: Powering down storage array
Tim,
You can unmount the filesystems on the Shark array and then try to take it offline. For VA7100 array,
the following command:
# armmgr -s shut
will shutdown the array, take it offline and make it unavailable to the host. A restart will bring it back online. I hope that there is a similar command for your Shark array.
Hai
You can unmount the filesystems on the Shark array and then try to take it offline. For VA7100 array,
the following command:
# armmgr -s shut
will shutdown the array, take it offline and make it unavailable to the host. A restart will bring it back online. I hope that there is a similar command for your Shark array.
Hai
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