[ceph-users] Ceph User Teething Problems

2015-03-04 Thread Datatone Lists
I have been following ceph for a long time. I have yet to put it into service, and I keep coming back as btrfs improves and ceph reaches higher version numbers. I am now trying ceph 0.93 and kernel 4.0-rc1. Q1) Is it still considered that btrfs is not robust enough, and that xfs should be used in

Re: [ceph-users] Ceph User Teething Problems

2015-03-05 Thread Datatone Lists
ecede the failures. I can see that this is not an osd failure, but a resource limit issue. I completely acknowledge that I must now RTFM, but I will ask whether anybody can give any guidance, based on experience, with respect to this issue. Thank you again for all for the previous prompt and inva

[ceph-users] Replacing a failed OSD disk drive (or replace XFS with BTRFS)

2015-03-21 Thread Datatone Lists
I have been experimenting with Ceph, and have some OSDs with drives containing XFS filesystems which I want to change to BTRFS. (I started with BTRFS, then started again from scratch with XFS [currently recommended] in order to eleminate that as a potential cause of some issues, now with further ex