Re: A1000: Determining bad disk

From: Darren Dunham (ddunham_at_redwood.taos.com)
Date: 09/25/03 

Date: Thu, 25 Sep 2003 18:33:09 GMT

In comp.unix.solaris "Michael wrote:
> In article <oprv1b0cz63k814u@news.fu-berlin.de>,
> Vikas Agnihotri <fornewsgroups@vikas.mailshell.com> wrote:

>> I am seeing some SCSI transport failures in /var/adm/messages on one of my
>> LUNs. The A1000 has all RAID5 luns.
>>
>> I suspect the disk is going bad.

Why? If you do, you should run rm6 and run a healthcheck.

>> How do I go about identifying the bad disk? I do have the /pci@..../sd@4,1
>> path in the messages file, but how can I identify the physical disk from
>> this path? The slots on the A1000 are labelled as [0,0], [0,1], etc.

You don't. The path is to the LUN, which is a virtual object, not a
drive.

> Not an easy thing. Somewhere in the /var/adm/messages file after a boot
> is the listing of sdxxx device numbers, SCSI target # (slot dependent),
> and WWN#. During the device discovery process, a message is printed to
> /var/adm/messages. Use the WWN of the disk that's going bad and luxadm
> display all to map which drive is going bad.

A1000 is HVD SCSI hardware raid. No WWNs..

> [taken from memory...it's been a couple years since I mucked with a
> photon box]

That would be 5000 series. 

-- 
Darren Dunham                                           ddunham@taos.com
Unix System Administrator                    Taos - The SysAdmin Company
Got some Dr Pepper?                           San Francisco, CA bay area
         < This line left intentionally blank to confuse you. >

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