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тАО06-03-2008 12:50 PM
тАО06-03-2008 12:50 PM
how to test a controller device
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тАО06-03-2008 01:25 PM
тАО06-03-2008 01:25 PM
Re: how to test a controller device
Giving us a clue what operating system you're running might help...!
Cheers,
Rob
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тАО06-03-2008 01:38 PM
тАО06-03-2008 01:38 PM
Re: how to test a controller device
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тАО06-03-2008 06:31 PM
тАО06-03-2008 06:31 PM
Re: how to test a controller device
can you share with us more info about the disk.
Is the disk from an alphaserver too?
Are you attaching the disk into the internal disk backplanes of DS25?
Try mount the disk by overiding its ID. Assuming its dka300.
$ mcr sysman io autoconf/log
$ mount/ov=id dka300
Look for errors
$ show error
$ show dev/full dka300
If this adapter AIC adapter is attached to the backplanes, how about the other disks? Are there any errors too?
If no errors for the rest of the disks,try to swap the disk to different slot. This is just to isolate slots problem.
If it still not working, then maybe we can conclude something else about the disk. Post us the info. Thanks.
Rgds
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тАО06-04-2008 05:31 AM
тАО06-04-2008 05:31 AM
Re: how to test a controller device
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тАО06-04-2008 04:45 PM
тАО06-04-2008 04:45 PM
Re: how to test a controller device
i'm not entirely understands.
if you plan to take out the disks from EMC storage and put it into DS25 disk backplanes, i don't think its going to work. This is due to firmware difference and compatibility with scsi adapters and controllers. But you can give it a try.
Rgds
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тАО06-04-2008 10:24 PM
тАО06-04-2008 10:24 PM
Re: how to test a controller device
I'll guess that you're actually talking about the built in (6 slot) SCSI cage on the DS25, which is probably connected to an Adaptec controller on the system board...
The output of "SHOW DEV D" might be useful here.
If you can't mount the disk, please post the exact commands used, and the exact output. VMS is usually quite helpful in the responses that it gives...
Cheers,
Rob
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тАО06-05-2008 08:33 AM
тАО06-05-2008 08:33 AM
Re: how to test a controller device
$4$DKA0: (ALPHA4) Online 2
$4$DKA100: (ALPHA4) Online 2
$4$DKA200: (ALPHA4) Online 2
$4$DKA300: (ALPHA4) Online 2
PKA0: 260
$4$DKA0: (ALPHA4) 2
$4$DKA100: (ALPHA4) 2
$4$DKA200: (ALPHA4) 2
$4$DKA300: (ALPHA4) 2
first segment of display reflects "show device" output to include one volume with in the SAN (dga488)
and the next 3 scsi devices in the cage on this node $4$dka0, dka100, dka200 and dka300
next segment of display reflects "show error" output to include high error count on adaptec device PKA0:
and the 3 caged scsi devices
when trying to mount one of the scsi devices ($4$dka200:) the interactive command prompt session enters a sustained unresponsive state and must be terminated by revoking the telnet connecion to the server.. the exact command being used :: mount $4$dka200: alpha2 (alpha2 being the volume name is not ordinarily mounted)
after disengaging stalled session and using a responsive connection I measured the error count and found that it had increased for PKA0: