[176704] in North American Network Operators' Group
Re: Got a call at 4am - RAID Gurus Please Read
daemon@ATHENA.MIT.EDU (Stuart Henderson)
Wed Dec 10 05:33:18 2014
X-Original-To: nanog@nanog.org
To: nanog@nanog.org
From: Stuart Henderson <stu@spacehopper.org>
Date: Wed, 10 Dec 2014 10:32:55 +0000 (UTC)
X-Complaints-To: usenet@ger.gmane.org
Errors-To: nanog-bounces@nanog.org
On 2014-12-09, symack <symack@gmail.com> wrote:
> Server down..... Got to colo at 4:39 and an old IBM X346 node with
> Serveraid-7k has failed. Opened it up to find a swollen cache battery that
> has bent the card in three different axis.
> * Can I change from an active (ie, disks with data) raid 5 to raid 10.
Even if the hw/firmware supports it, raid level migration is risky enough
at the best of times, and totally insane on a known-bad controller.
