NSS6000 rebooted now RAID5 wont start

Unanswered Question
May 14th, 2010
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Yesterday our NSS6000 with 4 x 750Gb Sata drives started running very slowly..


we saved config onto flash USB and performed reboot from admin maintainence panel.


the unit came back up, but under storage it says :


LabelRAID LevelSpareSizeStatusAction
RAIDAraid5No----Stopped  


I press start and get :


Failed to start RAID
Please check that all components are present


.. all drives are present, and i can inventory them and they are all online.. there are no errors in the logs..


i have now rebooted the unit about 4 times.. all times exactly the same.


I even read on here and reset to factory then restored configuration from USB and rebooted.. no difference..


Our system is running :


Firmware Version1.14-20 (Thu, 18 Dec 2008 11:09:47 +0000)
Hardware RevisionV03
Last Firmware UpgradeThu Dec 18 22:09:47 2008


can anyone give me any ideas how to get this going again without losing data ?


Cheers

Steve

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bhcsprl Wed, 05/26/2010 - 10:36
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Hi,


I've got exactly the same problem today, with an NSS4000.


4 x SATA 2Tb WDC-WD20EADS-00S in a RAID5 array.


I received an email alert:

"

Software RAID monitor detected an array in a degraded state.

Degraded Mode Management is disabled, this array will continue to run in degraded mode.

"


I checked the web interface and noticed the array was "Stopped". All 4 disks are PASSED and ONLINE.


When i want to start, i also get the message:

"

Failed to start RAID
Please check that all components are present

"


Any idea what's going wrong and how to solve this issue quickly without loosing any data ?

(We have backup, but not for the 6Tb of data...)


Thanks in advance.


Bert.

frankzicat Mon, 11/22/2010 - 10:16
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Hello

I have a similar problem :after a reboot, RAID 5 is stopped and fail to start

Did you fix your problem without loosing your data ?


Thank you very very much in advance


Frank

bhcsprl Mon, 11/22/2010 - 10:27
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Hi,


No, i didn't found any solution and Cisco support was useless. The only thing they were able to say was to rebuild a new array and restore from backup...


So i lost all data for which i didn't had any backup.


The same problem occured 4 times on 3 different NSS4000 devices... So i recently throw them away to finally buy real professional devices (definetely not Cisco ones !).


Regards.


Bertrand.

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