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06-11-2007 06:44 AM
06-11-2007 06:44 AM
I am working with an EMA8000/HSG80 controller/Tru64 5.1B OS with ES40 Server. My array had been successfully built with raidsets and all were recognized by the OS.
Then I swapped 3 - 36G drives for 72G drives and rebuilt the 3 arrays associated with those drives. Everything appears correctly when I run my show commands (show raidset/show storage), but on the OS side it is not recognizing the new disks (raidsets). I ran hwmgr -scan scsi and when I run hwmgr -view devices I still don't see the new identifiers. The system has been rebooted several times. Not sure what else to try - any ideas as to why the OS can't see the new raidsets??
Thanks in advance for any info.
Solved! Go to Solution.
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06-11-2007 07:15 AM
06-11-2007 07:15 AM
Re: disks from hsg80 not appearing
Can you see the new raidsets if when you run "show units" from the HSG80...?
If yes, did you enable access to the units ?
Hope this helps,
Regards,
Rob
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06-11-2007 07:17 AM
06-11-2007 07:17 AM
Re: disks from hsg80 not appearing
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06-11-2007 10:02 AM
06-11-2007 10:02 AM
Re: disks from hsg80 not appearing
Can you post the show unit
Have you enabled host access?
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06-11-2007 09:42 PM
06-11-2007 09:42 PM
Re: disks from hsg80 not appearing
is it you configure wwidmgr on the server
refer to this page on itrc
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=1075061&admit=-682735245+1181641021383+28353475
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06-11-2007 11:18 PM
06-11-2007 11:18 PM
Re: disks from hsg80 not appearing
At this point my only thought of next step is to delete the 3 raidsets and re-add them, but it doesn't look like there is anything wrong with them so I don't know if that would even make a difference.
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06-11-2007 11:30 PM
06-11-2007 11:30 PM
Re: disks from hsg80 not appearing
The rebuilt arrays might have been known to the OS with a different LUN ID, but as they have the same Identifier things are getting confused.
Do you see any stale devices if you look at "hwmgr show scsi -full" ?
If yes, then try deleting them with hwmgr and dsfmgr, and rescan the SCSI bus.
Hope this helps,
Regards,
Rob
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06-11-2007 11:57 PM
06-11-2007 11:57 PM
Re: disks from hsg80 not appearing
Please post it.
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06-12-2007 01:03 AM
06-12-2007 01:03 AM
Re: disks from hsg80 not appearing
69: disk IDENTIFIER=2 dsk9
112: disk IDENTIFIER=5 SCSI-WWID:01000010:6000-1fe1-0010-5f90-0009-1130-5225-0063
110: disk IDENTIFIER=3 SCSI-WWID:01000010:6000-1fe1-0010-5f90-0009-1130-5225-0069
73: disk IDENTIFIER=6 dsk13
74: disk IDENTIFIER=7 dsk14
75: disk IDENTIFIER=8 dsk15
76: disk IDENTIFIER=9 dsk16
81: disk IDENTIFIER=11 dsk21
80: disk IDENTIFIER=12 dsk20
113: disk IDENTIFIER=4 dsk28
111: disk IDENTIFIER=10 SCSI-WWID:01000010:6000-1fe1-0010-5f90-0009-1130-5225-0071
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06-12-2007 01:10 AM
06-12-2007 01:10 AM
Re: disks from hsg80 not appearing
Use dsfmgr to delete the devices by the hardware identifier...
So as an example for your IDENTIFIER=5 disk...
hwmgr delete component -id 112
dsfmgr -R hwid 112
...repeat for the others then...
hwmgr scan scsi
And hopefully everything will be back on a dsk device.
Cheers,
Rob
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06-12-2007 01:31 AM
06-12-2007 01:31 AM
Re: disks from hsg80 not appearing
from the dsgmgr man page
The following command shows how you might restore previous device spe-
cial file names after a configuration change. This example assumes
that you know the previous device names and HWIDs
a. Assuming that the former device name was dsk0, and the new device
name is dsk5, use the /sbin/hwmgr command to delete the old data-
base entries for each device. Specify the former HWID for a dev-
ice as shown in the following example:
# # /sbin/hwmgr delete component -id 25
b. After the component is removed, you can delete the kernel's
record its device special files as follows:
# /sbin/dsfmgr -R delete hwid 25
-dsk0a -dsk0b -dsk0c -dsk0d ... dsk0h
c. You can now move the existing device special files to their new
locations as follows:
# /sbin/dsfmgr -m dsk5 dsk0
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06-12-2007 01:40 AM
06-12-2007 01:40 AM
Re: disks from hsg80 not appearing
Any chance you can post the output of "hwmgr show scsi" and "hwmgr show scsi -full"
Cheers,
Rob
P.S. There is a typo in the man page for dsfmgr.
# /sbin/dsfmgr -R delete hwid 25
should read
# /sbin/dsfmgr -R hwid 25
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06-12-2007 01:50 AM
06-12-2007 01:50 AM
Re: disks from hsg80 not appearing
Here is the output from hwmgr show scsi and hwmgr show scsi -full - it shows the devices as valid, but null. I also included the hwmgr view hierarchy.
Thanks for your time with this.
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06-12-2007 02:05 AM
06-12-2007 02:05 AM
SolutionI seem to recall that the example in the dsfmgr man page is also the wrong way round, in that you should do the dsfmgr delete before the hwmgr delete.
Try this:
# dsfmgr -R hwid 112
# hwmgr delete component -id 112
# hwmgr show scsi
Check that HWID 112 has now disappeared.
If so, repeat for IDs 110 and 111.
If not, then you might need to run dsfmgr with the verify and fix option.
# dsfmgr -v -F
Once your sure the references to the old devices have gone:
# hwmgr scan scsi
Hopefully that will get things working !
Cheers,
Rob
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06-12-2007 02:18 AM
06-12-2007 02:18 AM
Re: disks from hsg80 not appearing
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06-12-2007 02:35 AM
06-12-2007 02:35 AM