Re: Drive replacement procedure

[Dave Spano <dspano@xxxxxxxxxxxxxx>]

Sorry, I forgot to mention ceph osd set noout. Sébastien Han wrote a blog post about it.

http://www.sebastien-han.fr/blog/2012/08/17/ceph-storage-node-maintenance/

Dave Spano
Optogenics

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From: "Michael Lowe" <j.michael.lowe@xxxxxxxxx>
To: "Nigel Williams" <nigel.williams@xxxxxxxxxxx>
Cc: ceph-users@xxxxxxxxxxxxxx
Sent: Monday, June 24, 2013 7:41:02 PM
Subject: Re: Drive replacement procedure

That's where 'ceph osd set noout' comes in handy.



On Jun 24, 2013, at 7:28 PM, Nigel Williams <nigel.williams@xxxxxxxxxxx> wrote:

> On 25/06/2013 5:59 AM, Brian Candler wrote:
>> On 24/06/2013 20:27, Dave Spano wrote:
>>> Here's my procedure for manually adding OSDs.
>
> The other thing I discovered is not to wait between steps; some changes result in a new crushmap, that then triggers replication. You want to speed through the steps so the cluster does not waste time moving objects around to meet the replica requirements until you have finished crushmap changes.
>
>
>
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