Re: [ceph-users] Weird behavior of PG distribution

2013-10-01 Thread Chen, Ching-Cheng (KFRM 1)
n MDS - New York +1 212 538 8031 (*106 8031) From: Aaron Ten Clay [mailto:aaro...@aarontc.com] Sent: Tuesday, October 01, 2013 2:53 PM To: Chen, Ching-Cheng (KFRM 1) Cc: Mike Dawson; ceph-users@lists.ceph.com Subject: Re: [ceph-users] Weird behavior of PG distribution On Tue, Oct 1, 2013 at 10:

Re: [ceph-users] Weird behavior of PG distribution

2013-10-01 Thread Chen, Ching-Cheng (KFRM 1)
From: Mike Dawson [mailto:mike.daw...@cloudapt.com] Sent: Tuesday, October 01, 2013 11:31 AM To: Chen, Ching-Cheng (KFRM 1); ceph-users@lists.ceph.com Subject: Re: [ceph-users] Weird behavior of PG distribution Ching-Cheng, Data placement is handled by CRUSH. Please examine the follo

[ceph-users] Weird behavior of PG distribution

2013-10-01 Thread Chen, Ching-Cheng (KFRM 1)
Found a weird behavior (or looks like weird) with ceph 0.67.3 I have 5 servers. Monitor runs on server 1. And server 2 to 5 have one OSD running each (osd.0 - osd.3) I did a 'ceph pg dump'. I can see PGs got somehow randomly distributed to all 4 OSDs which is expected behavior. However, if

[ceph-users] Question regarding plugin class

2013-09-25 Thread Chen, Ching-Cheng (KFRM 1)
Hi: I have question regarding using the class plugin API. We finally able to make a test plugin class worked. We was able to invoke the exec() call and execute our test plugin class successfully. However, we have a hard time trying to figure out what object this plugin class been ran on OSD.