Hi Jim,

Thanks for the pointers. I'll definitely look into this.


--
Peter Blajev
IT Manager, TAAZ Inc.
Office: 858-597-0512 x125


On Wed, Mar 20, 2013 at 11:29 AM, Jim Klimov <jimkli...@cos.ru> wrote:

> On 2013-03-20 17:15, Peter Wood wrote:
>
>> I'm going to need some help with the crash dumps. I'm not very familiar
>> with Solaris.
>>
>> Do I have to enable something to get the crash dumps? Where should I
>> look for them?
>>
>
> Typically the kernel crash dumps are created as a result of kernel
> panic; also they may be forced by administrative actions like NMI.
> They require you to configure a dump volume of sufficient size (see
> dumpadm) and a /var/crash which may be a dataset on a large enough
> pool - after the reboot the dump data will be migrated there.
>
> To "help" with the hangs you can try the BIOS watchdog (which would
> require a bmc driver, one which is known from OpenSolaris is alas
> not opensourced and not redistributable), or with a software deadman
> timer:
>
> http://www.cuddletech.com/**blog/pivot/entry.php?id=1044<http://www.cuddletech.com/blog/pivot/entry.php?id=1044>
>
> http://wiki.illumos.org/**display/illumos/System+Hangs<http://wiki.illumos.org/display/illumos/System+Hangs>
>
> Also, if you configure "crash dump on NMI" and set up your IPMI card,
> then you can likely gain remote access to both the server console
> ("physical" and/or serial) and may be able to trigger the NMI, too.
>
> HTH,
> //Jim
>
>
>> Thanks for the help.
>>
>>
>> On Wed, Mar 20, 2013 at 8:53 AM, Michael Schuster
>> <michaelspriv...@gmail.com 
>> <mailto:michaelsprivate@gmail.**com<michaelspriv...@gmail.com>>>
>> wrote:
>>
>>     How about crash dumps?
>>
>>     michael
>>
>>
>>     On Wed, Mar 20, 2013 at 4:50 PM, Peter Wood <peterwood...@gmail.com
>>     <mailto:peterwood...@gmail.com**>> wrote:
>>
>>         I'm sorry. I should have mentioned it that I can't find any
>>         errors in the logs. The last entry in /var/adm/messages is that
>>         I removed the keyboard after the last reboot and then it shows
>>         the new boot up messages when I boot up the system after the
>>         crash. The BIOS log is empty. I'm not sure how to check the IPMI
>>         but IPMI is not configured and I'm not using it.
>>
>>         Just another observation - the crashes are more intense the more
>>         data the system serves (NFS).
>>
>>         I'm looking into FRMW upgrades for the LSI now.
>>
>>
>>         On Wed, Mar 20, 2013 at 8:40 AM, Will Murnane
>>         <will.murn...@gmail.com <mailto:will.murn...@gmail.com**>> wrote:
>>
>>             Does the Supermicro IPMI show anything when it crashes?
>>               Does anything show up in event logs in the BIOS, or in
>>             system logs under OI?
>>
>>
>>             On Wed, Mar 20, 2013 at 11:34 AM, Peter Wood
>>             <peterwood...@gmail.com <mailto:peterwood...@gmail.com**>>
>> wrote:
>>
>>                 I have two identical Supermicro boxes with 32GB ram.
>>                 Hardware details at the end of the message.
>>
>>                 They were running OI 151.a.5 for months. The zpool
>>                 configuration was one storage zpool with 3 vdevs of 8
>>                 disks in RAIDZ2.
>>
>>                 The OI installation is absolutely clean. Just
>>                 next-next-next until done. All I do is configure the
>>                 network after install. I don't install or enable any
>>                 other services.
>>
>>                 Then I added more disks and rebuild the systems with OI
>>                 151.a.7 and this time configured the zpool with 6 vdevs
>>                 of 5 disks in RAIDZ.
>>
>>                 The systems started crashing really bad. They
>>                 just disappear from the network, black and unresponsive
>>                 console, no error lights but no activity indication
>>                 either. The only way out is to power cycle the system.
>>
>>                 There is no pattern in the crashes. It may crash in 2
>>                 days in may crash in 2 hours.
>>
>>                 I upgraded the memory on both systems to 128GB at no
>>                 avail. This is the max memory they can take.
>>
>>                 In summary all I did is upgrade to OI 151.a.7 and
>>                 reconfigured zpool.
>>
>>                 Any idea what could be the problem.
>>
>>                 Thank you
>>
>>                 -- Peter
>>
>>                 Supermicro X9DRH-iF
>>                 Xeon E5-2620 @ 2.0 GHz 6-Core
>>                 LSI SAS9211-8i HBA
>>                 32x 3TB Hitachi HUS723030ALS640, SAS, 7.2K
>>
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>>                 
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>> >
>>
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>>
>>
>>
>>
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>>
>>
>>
>>
>>     --
>>     Michael Schuster
>>     
>> http://recursiveramblings.**wordpress.com/<http://recursiveramblings.wordpress.com/>
>>
>>
>>
>>
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