Fwd: maintanance on osd host

[Ian Colle <ian.colle@xxxxxxxxxxx>]

Forwarding to Ceph-users mailing list, as this discussion is more appropriate for it.

Ian R. Colle

Ceph Program Manager

Inktank

Twitter: ircolle

LinkedIn: www.linkedin.com/in/ircolle

Begin forwarded message:

From: Stefan Priebe - Profihost AG <s.priebe@xxxxxxxxxxxx>
Date: February 26, 2013, 7:56:25 MST
To: "ceph-devel@xxxxxxxxxxxxxxx" <ceph-devel@xxxxxxxxxxxxxxx>
Subject: maintanance on osd host

Hi list,

how can i do a short maintanance like a kernel upgrade on an osd host?
Right now ceph starts to backfill immediatly if i say:
ceph osd out 41
...

Without ceph osd out command all clients hang for the time ceph does not
know that the host was rebootet.

I tried
ceph osd set nodown and ceph osd set noout
but this doesn't result in any difference

Stefan
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