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тАО07-23-2008 02:40 AM
тАО07-23-2008 02:40 AM
I have a failed internal disk on my DS20 Tru64 Alpha Server. I want to physically identify this disk on the server. This is to make sure I am removing the correct disk from the server.
This is a cluster system.
Many Thanks,
Ryan Philip
Solved! Go to Solution.
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тАО07-23-2008 04:09 AM
тАО07-23-2008 04:09 AM
Re: Identify internal disk.
# hwmgr -show scsi | grep dsk42
# hwmgr -view device | grep dsk42
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тАО07-23-2008 04:12 AM
тАО07-23-2008 04:12 AM
Re: Identify internal disk.
# hwmgr -flash light -dsf /dev/disk/dsk42c
This will make the disklight blink.
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тАО07-23-2008 04:53 AM
тАО07-23-2008 04:53 AM
Re: Identify internal disk.
You can also try this and see on which disk activity led flashes:
# dd if=/dev/rdisk/dsk24c of=/dev/zero
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тАО07-23-2008 07:37 AM
тАО07-23-2008 07:37 AM
Re: Identify internal disk.
I had read the administration guide and tried the flash and dd commands but there are no lights on the internal disk, so it becomes difficult. There are 4 9GB disk and 2 18GB disk. By using the Hwmgr flash command I cannot identify because the lights are not there.
Can someone explian to me the how to Identify the bus 0. Is there a way to do that5?
Regards,
Ryan Philip
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тАО07-23-2008 12:37 PM
тАО07-23-2008 12:37 PM
Re: Identify internal disk.
Can you post the output of the commands previously requested by Vladimir ?
dsk42 could be a single disk, or it might be part of a hardware RAID disk.... With the information provided so far, it's impossible to know...
Cheers,
Rob
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тАО07-23-2008 07:31 PM
тАО07-23-2008 07:31 PM
Re: Identify internal disk.
There would be 2 internal disks so chance are bright ;)
BR,
Kapil+
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тАО07-24-2008 01:51 AM
тАО07-24-2008 01:51 AM
Re: Identify internal disk.
In SRM it should be bus "a".
For example DKA100 (in "console mode") should be BUS 0 ID 1 LUN 0. So, for example, if you are looking for disk in BUS 0 and SCSI ID 1, it should be DKA100.
As far as I know bus 0 should be "built in" controler bus.
In DS20 bus "b" or BUS 1 is usually a PCI SCSI controller.
If you need more details, first post what I asked for.
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тАО07-24-2008 02:00 AM
тАО07-24-2008 02:00 AM
Re: Identify internal disk.
Firstly dsk42c is a single disk. It is not in any raid. The disk is spoiled so it does not respond. the output of the dd command is
dd if=/dev/disk/dsk42c of=/dev/zero
/dev/disk/dsk42c: Device busy
The other output is attached.
Regards,
Ryan Philip
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тАО07-24-2008 02:52 AM
тАО07-24-2008 02:52 AM
Re: Identify internal disk.
dd if=/dev/rdisk/dsk42c of=/dev/zero
not
dd if=/dev/disk/dsk42c of=/dev/zero
Try again.
So it is disk DKA100 in SRM.
And view in your disk shelf:
----dkao-----
----DKA100--- FAILED DISK
----dka200---
----dka300---
----dka400---
----dka500---
-------------