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тАО02-08-2010 07:37 AM
тАО02-08-2010 07:37 AM
Superdome SD3200 BPS failure not showing in parstatus
We're scheduled for a swap-out of the dead unit shortly, but the failure has exposed a rather odd problem: the "parstatus" command within HP-UX does not show the power supply as failed,even though it does show only five, as opposed to six, units in the OK column.
Likewise, the "CM PS" command shows the dead unit as simply unpopulated, as opposed to marked as failed with an asterisk in the second row of the report.
It also appears that there was no EMS alert when the BPS failed, and nothing turned up in the syslog.
There was a chassis error log recorded at the time of the failure but it was about AC mains being deleted, not a BPS failure, and there was no circuit breaker tripped. And again, no EMS alert from the chassis monitor. There has been no reboot since the failure occurred.
Could the problem be just that the BPS failed explosively, and so went straight from operational status to "unconfigured" status without any indication to the chassis or the EMS that it had failed?
We're running PDC 36.7, PDHC 7.10, GSP 7.30, CLU 7.8, PM 7.16, and CIO 7.4. OnlineDiag is at B.11.11.15.13, and HP-UX is 11.11 with the June 2003 BUNDLE11i.
Thanks for any suggestions you can offer.
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тАО02-08-2010 08:38 AM
тАО02-08-2010 08:38 AM
Re: Superdome SD3200 BPS failure not showing in parstatus
This is obviously a firmware problem and you have been negligent in updating. All of my 5 superdomes show whenever a FRU fails, especially a power supply.
You current state is you are sending out no alarm messages ( firmware ) and have nothing listening ( EMS / diags ).
You also need to update you Online Diags.
Note that superdome firmware upgrades, except for HBA's, are all CE installed. If I remember correclty they can be done without bringing down anything, but verify this with the CE.
The online diags install are the same, no reboot required.
Easy peesy.
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тАО02-08-2010 08:42 AM
тАО02-08-2010 08:42 AM
Re: Superdome SD3200 BPS failure not showing in parstatus
By voluntarily upgrading you have the opportunity to first upgrade your dev and test machines before your production boxes. A requirement in most data centers.
In the later, an outage in production followed by mandatory upgrades gives you no opportunity to test how your applications would react. And I guarantee you, all users will push back in such a situation, and make your life uncomfortable.
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тАО02-08-2010 09:01 AM
тАО02-08-2010 09:01 AM
Re: Superdome SD3200 BPS failure not showing in parstatus
The antiquity of the versions is tied to the level of caution exercised by the developers with respect to regression testing for the production systems outside the lab. There's been a strong resistance over the years to making any changes whatsoever unless 100% proven absolutely essential, but thankfully they're coming around to the notion of patching the OS on a more regular basis. We have a couple of systems running at 36.8 and a late OnlineDiag, but not all of them, though that should be remedied over the next several weeks.
Thanks for the info!!
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тАО02-08-2010 09:23 AM
тАО02-08-2010 09:23 AM
Re: Superdome SD3200 BPS failure not showing in parstatus
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тАО02-09-2010 10:53 AM
тАО02-09-2010 10:53 AM