From: Stefan Priebe <s.priebe@profihost.ag>
To: "ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>
Subject: slow backfilling / remapping
Date: Sat, 01 Dec 2012 20:56:31 +0100 [thread overview]
Message-ID: <50BA60EF.6050701@profihost.ag> (raw)
Hello list,
today i was trying to look what happens if i remove an osd.
I've executed:
ceph osd 21 out
Cluster Details:
- XFS FS for OSDs
- Software version: latest next from today 12/01/2012
- 6 Nodes with 4 OSDs only SSDs each
I have just 8 GB of data so i thought removing an OSD should be VERY fast.
Here are parts of the logs whole process tooked 15 minutes.
2012-12-01 20:06:02.607191 mon.0 [INF] pgmap v59693: 7632 pgs: 7348
active+clean, 266 active+remapped+wait_backfill, 12
active+remapped+backfilling, 6 active+recovering; 7880 MB data, 18812 MB
used, 4428 GB / 4446 GB avail; 180/4303 degraded (4.183%)
2012-12-01 20:16:11.284705 mon.0 [INF] pgmap v60000: 7632 pgs: 7562
active+clean, 65 active+remapped+wait_backfill, 5
active+remapped+backfilling; 7880 MB data, 18981 MB used, 4428 GB / 4446
GB avail; 44/4178 degraded (1.053%)
2012-12-01 20:22:35.829481 mon.0 [INF] pgmap v60182: 7632 pgs: 7628
active+clean, 4 active+remapped+backfilling; 7880 MB data, 19029 MB
used, 4428 GB / 4446 GB avail; 3/4137 degraded (0.073%)
2012-12-01 20:22:37.052136 mon.0 [INF] pgmap v60183: 7632 pgs: 7632
active+clean; 7880 MB data, 19033 MB used, 4428 GB / 4446 GB avail
Greets,
Stefan
reply other threads:[~2012-12-01 19:56 UTC|newest]
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