What os/san version are you on ... I was /am on 10.4.11 running 1.4.2
... mostly PPC, with two intel edit stations.
On Thu, May 29, 2008 at 12:43 PM, Vilius Šumskas <email@hidden> wrote:
> Sveiki,
>
> Thursday, May 29, 2008, 7:12:39 PM, you wrote:
>
>> When I was working with this problem, I shut down the entire san (all
>> workstations) ... and MDCs ... then got it to come up on the MDCs
>> before anything else was powered on.
>
>> Instead of using System Profiler, you should be able to use a command
>> line tool - I believe its disktool - to list all attached disks.
>
>> I did notice that my LUN with the faulty controller would take a much
>> longer time to startup. Flushing the cache fixed that, but not the
>> real problem .... and since swapping the controller out it seemed
>> normal.
>
>> Have you tried only rebooting the array with the RAID3_LeftLun ?
>
> No, but will check it next time, if it happens. However I doubt that
> this would resolve the problem. Currently I have 2 volumes. One of
> them doesn't use any LUNs from RAID3_Left or RAID3_Right. But when freezes
> happened this other volume freezed too.
>
>> If everything is freaking out ... then perhaps the issue is at the
>> fiber switch(es). I've got a stack of 4 5200s, and Ive had issues
>> where switches would drop their inter-switch-links .... killing or at
>> least maiming the san ... depending on where a computer was patched
>> into the switches.
>
>> Also, check out this thread on xsanity ... its where i had posted
>> about this issue:
>
>> http://www.xsanity.com/forum/viewtopic.php?t=632
>
>> -dave
>
> Thanks. I will look at it. Currently I have one 5600 and one 5200. All
> workstations, servers and arrays are connected through fiber, but ISLs
> are connected with copper. I've already ordered optics for them too.
>
> I've also doubt that this is switches because everything worked for
> the past year or too. And only now when I've migrated all data to
> RAID3 volume and everyone in the network began to work with them
> the problem appeared.
>
> --
> Best regards,
> Vilius
>
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