Status or Failure Predicted?

Richard Ford rford at candis.com.cn
Thu Feb 15 23:03:54 CST 2007


So a failure predicted will cause the logical failure of the array  
and an alert - but the outside LED's only detect absolute physical  
failures?


On 16 Feb 2007, at 12:46 PM, Steve Baroti wrote:

> Hi Richard,
>
> My experience from 2 days ago on a PE 2800, showed that when  
> "Failure Predicted" becomes "Yes", the disk array "Status" flips to  
> "Degraded" which will be signaled by the server OMSA, DELL IT  
> Assistant, Nagios or any SNMP health checking script you may have;  
> on the other side, the SCSI HDD status led will continue to blink  
> green and no amber light will show up on the server chassis to have  
> visible signal of the error status.
>
> As I wrote, we monitor the "Status" only, which promptly signaled  
> us when "Failure Predicted" became Yes.
>
> "Failure Predicted": Yes -> "Status": Degraded -> called DELL ->  
> sent replacement in 4h.
>
> Thank you,
> -Steve.
>
>
> ----- Original Message ----- From: "Richard Ford"  
> <rford at candis.com.cn>
> To: "Rob Munsch" <rmunsch at solutionsforprogress.com>
> Cc: <linux-poweredge at dell.com>
> Sent: Thursday, February 15, 2007 11:27 PM
> Subject: Re: Status or Failure Predicted?
>
>
>> Failure predicted works on a combination of SMART and patrol read.
>>
>> It may or may not predict things.  You could all of a sudden get a
>> STATUS : FAILED and the failure predicted never flipped.
>>
>> I would monitor both separately...
>>
>>
>> On 16 Feb 2007, at 1:17 AM, Rob Munsch wrote:
>>
>>> Messing about with omreport, i have on my physical disks
>>>
>>> Status                    : Ok
>>> ...
>>> Failure Predicted         : No
>>>
>>> Which of these will change first?  Should I monitor on Status or  
>>> F.P.,
>>> or should they be taken separately?
>>>
>>> TIA,
>>> rob
>>>
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>>
>>
>>
>>
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