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тАО04-14-2004 09:37 AM
тАО04-14-2004 09:37 AM
I have a situation where I had to replace a failed HBA (KGPSA). When I replaced it, a hwmgr -view hierarchy still only shows my SAN attached disks as being connected to one HBA. They are also flagged as critical. A hwmgr -status component shows them as critical/unavailable, although my filesystems are still mounted. This essentially gives me some reservations about whether or not my I/O is distributed down both paths.
My OS is 5.1B PK3 with FW 6.6. This is a GS1280 system connected to an EVA 5000. Attached is a list of the hwmgr output.
My question is whether or not there is a way that I can get the stale paths deleted from the disks so that both paths will show the devices. Right now, a hwmgr -refresh scsi and a hwmgr -refresh component will not do it for these disks.
Thanks in advance,
--Blake Roberts
Solved! Go to Solution.
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тАО04-15-2004 03:05 AM
тАО04-15-2004 03:05 AM
Solutionit sounds like the only other way is to recreate the device, please see his thread:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=430956
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тАО04-15-2004 09:50 AM
тАО04-15-2004 09:50 AM
Re: hwmgr hierarchy errors
Are you using "selective presentation" on the EVA5000 ? If yes, then the new KGPSA presents a NEW connection to the EVA, so you need to remove the old connection ID of the broken KGPSA and assign the new connection the storage units, else emx3 innode ERPEMSA will never see any devices.
Johan.
_JB_
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тАО04-15-2004 11:39 PM
тАО04-15-2004 11:39 PM
Re: hwmgr hierarchy errors
Please open a call within the HP support center and ask for assistent (it would be better to ask before replacing components)
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тАО04-16-2004 03:57 AM
тАО04-16-2004 03:57 AM
Re: hwmgr hierarchy errors
Also, on the EVA, I am using selective presentation, but I did remove the old connections from the EVA so that I would not have that problem from that level anymore.
Thanks for all of the feedback!
--Blake
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тАО04-20-2004 04:07 AM
тАО04-20-2004 04:07 AM
Re: hwmgr hierarchy errors
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тАО04-20-2004 07:28 AM
тАО04-20-2004 07:28 AM
Re: hwmgr hierarchy errors
I rebooted the system so that I could do the work in single-user mode, and when I checked the hierarchy, all of the critical device warnings were gone, and the devices showed up on both paths. I noticed that the stale paths still show up, but the devices are now visible on both paths. A hwmgr -get attr -id xxx shows 2 valid paths, 2 standby paths, and 2 failed paths, instead of 1 valid, 1 standby, and 2 failed.
In a nutshell, the stale paths are there, but the devices now have the visible paths that they are supposed to have.
Thanks for the help,
--Blake Roberts