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I have been having problems with disks on my Dell PERC5/i Raid controller, and was instructed to update the controller's Bios (by Dell and by OpenManage).

One of these problems is disks getting a 'failed' status, but when physically removed and reinserted come online fine and just have be imported back into their array as a foreign config.

This has occurred again, this time with a RAID0 array (OUCH!!).

I would like to apply the firmware upgrade ASAP, and need to know if I should go to the datacenter first and futz with the disk, in case the firmware upgrade might in some way interfere with my abilty to do so afterward.

EDIT: What I am really asking is: could the firmware upgrade remove my ability to massage a "failed" drive back into it's raid array, if the failure is transient?

Thank you.

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Not really clear what you're asking here. If you're facing a potentially critical firmware upgrade, yes, I'd want to be on-site for this. –  gravyface May 23 '11 at 4:28
    
I vote get get help because bad firmware or a lost array could ruin your whole day. –  JamesBarnett May 23 '11 at 9:23
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I'd really get a dell engineer on the phone and have them walk you through it if you're not sure. Dell support is usually rock solid on these things. Messing around with arrays can be a dangerous business. –  Tatas May 23 '11 at 20:51
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