[Linux-PowerEdge] OMSA says failed drive but LED is solid green and LCD displays no error

Jeff White jaw171 at pitt.edu
Fri Sep 5 12:56:33 CDT 2014


As I thought drive 1 did go back to "failure predicted" after a few 
minutes.  I replaced the drive but I had to restart OMSA again to see 
the rebuild as it kept reporting the old drive was still in the array.

Jeff White - GNU+Linux Systems Administrator
University of Pittsburgh - CSSD

On 09/05/2014 01:27 PM, cupertino wrote:
> no, it's fine this way, because both drives are not failed or yet for
> drive 1. in OMSA there is a column 'failure predicted' (maybe you'll
> have to switch to 'full view') it should say 'yes' for drive 1.
> drive 0 is fine and drive 1 should be replaced soon, because it's going
> to fail.
>
>
> On Fri, 2014-09-05 at 13:21 -0400, Jeff White wrote:
>> Both drives are listed as OK according to that tool:
>>
>> [root at compute48-0-1 sas2ircu_linux_x86_rel]# ./sas2ircu 0 DISPLAY | grep
>> State
>>     State                                   : Optimal (OPT)
>>     State                                   : Optimal (OPT)
>>     State                                   : Standby (SBY)
>>
>>   > (should be amber green off)
>>
>> Drive 1 is green-amber-off-repeat, drive 0 is green.
>>
>> I restarted OMSA and now it reports both drives as OK.  Drive 1 still is
>> blinking green-amber-off and I suspect OMSA just needs to wait for more
>> errors before it calls it "failure predicted" again.
>>
>> Jeff White - GNU+Linux Systems Administrator
>> University of Pittsburgh - CSSD
>>
>> On 09/04/2014 01:22 PM, cupertino wrote:
>>> OK, it's a H200 or SAS6/iR then. won't have any luck with MegaCLI, but
>>> you could try sas2ircu http://www.lsi.com/downloads/Public/Host%20Bus%
>>> 20Adapters/Host%20Bus%20Adapters%20Common%
>>> 20Files/SAS_SATA_6G_P12/SAS2IRCU_User_Guide.pdf
>>> smartmontools should at least be able to confirm the predictive error.
>>> if all that fails I would trust the LED state over OMSA, because it is
>>> controlled by RAID controller. but you mentioned the predictive drive is
>>> amber (should be amber green off).
>>> also remember a thread about OMSA, CentOS and H200 where OMSA storage
>>> service crashed and didn't provide any good info anymore. unfortunately
>>> I can't remember the details nor the solution, but maybe a restart of
>>> OMSA service will help to get a recent disk state.
>>>
>>> On Thu, 2014-09-04 at 13:01 -0400, Jeff White wrote:
>>>> Doesn't look like MegaCLI will be useful here:
>>>>
>>>>
>>>> [root at compute48-0-1 ~]# lspci | grep LSI
>>>> 05:00.0 Serial Attached SCSI controller: LSI Logic / Symbios Logic
>>>> SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 02)
>>>>
>>>> [root at compute48-0-1 ~]# /opt/MegaRAID/MegaCli/MegaCli64 -PDList -aALL
>>>> Exit Code: 0x00
>>>>
>>>> Jeff White - GNU+Linux Systems Administrator
>>>> University of Pittsburgh - CSSD
>>>>
>>>> On 09/04/2014 11:43 AM, cupertino wrote:
>>>>> if there is any LSI MegaRAID controller is involved you could pull a
>>>>> controller log using MegaCLI command, which is usually the most reliable
>>>>> source to analyze drive errors.
>>>>> I wouldn't worry about the LCD. on R815 (and alike) systems it is not
>>>>> very reliably when it comes to drive errors. since the controller has no
>>>>> direct channel to talk to BMC (like in newer systems) LCD should only
>>>>> report if backplane is involved. predictive errors shouldn't be reported
>>>>> there at all.
>>>>>
>>>>>
>>>>> On Thu, 2014-09-04 at 09:26 -0400, Jeff White wrote:
>>>>>> I have a PE R815 that has this issue:
>>>>>>
>>>>>> * OMSA says drive 0:0:0 has failed but the drive physically labelled as
>>>>>> 0 has a green LED
>>>>>>
>>>>>> * OMSA says drive 0:0:1 has a "failure predicted" status and has a
>>>>>> blinking amber LED
>>>>>>
>>>>>> * The LCD on the front of the system shows no errors
>>>>>>
>>>>>> Therefore, I am confused.  When I called Dell (they at least used to
>>>>>> help a little with OMSA even with an out of warranty system) I get "this
>>>>>> office is currently closed" despite the Web site saying it is 24/7.
>>>>>> Additionally when I try to get the latest version of OMSA I just get a
>>>>>> 404
>>>>>> (https://linux.dell.com/repo/hardware/latest/platform_independent/rh60_64)
>>>>>> ... thanks Dell, very helpful.
>>>>>>
>>>>>> So:
>>>>>>
>>>>>> 1. Can anyone provide the correct link to the latest OMSA repo or is it
>>>>>> down?
>>>>>>
>>>>>> 2. Has anyone seen the LCD not display and error yet the LED of a drive
>>>>>> and OMSA both show something is wrong?
>>>>>>
>>>>>> 3. I have seen the LCD and OMSA disagree about PSU problems on R815s
>>>>>> several times in the past but never with disk drives.  With the PSUs
>>>>>> Dell pretty much said "OMSA is right the PSU is fine, the LCD is
>>>>>> controlled by the BMC which is confused, swap your PSUs to fix it".  In
>>>>>> reality another so called "fix" seems to be to lazily ignore it for a
>>>>>> few months and the LCD magically decides everything is fine and goes
>>>>>> back to being blue with no error.
>>>>>>
>>>>>> Once I can get to the repo I will update OMSA and as always update
>>>>>> firmware but I would like to know if others have seen this behaviour.
>>>>>>
>>>>>
>>>>>
>>>
>>>
>
>



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