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>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>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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