On 15 July 2015 at 17:34, John Spray <john.sp...@redhat.com> wrote: > > > On 15/07/15 16:11, Roland Giesler wrote: > > > > I mount cephfs in /etc/fstab and all seemed well for quite a few > months. Now however, I start seeing strange things like directories with > corrupted files names in the file system. > > > When you encounter a serious issue, please tell us some details about it, > like what version of ceph you are using, what client you are using (kernel, > fuse, + version), whether you have any errors in your logs, etc. >
I use Proxmox "stock standard". v3.3-5 Linux s1 2.6.32-34-pve #1 SMP Fri Dec 19 07:42:04 CET 2014 x86_64 GNU/Linux ceph version 0.80.8 I mount the filesystem fuse.ceph in fstab so I guess I'm not using the the kernel client? I'm in the process of migrating the installations in VZ containers to full KVM machines so that I'm not stuck on the 2.6 kernel anymore. Hopefully that will sort out the troubles I'm having. > > I have a vague memory of a symptom like what you're describing happening > with an older kernel client at some stage, but can't find a ticket about it > right now. > > > My question is: How can the filesystem be checked for errors and fixed? > Or does it heal itself automatically. The disks are all formatted with > btrfs. > > > The underlying data storage benefits from the resilience built into RADOS, > i.e. you don't have to worry about drive failures etc. > > CephFS's fsck is in development right now. We note this in a big red box > at the top of the documentation[1]. > > By the way, if data integrity is important to you, you would be better off > with a more conservative configuration (btrfs is not used by most people in > production, XFS is the default). > I actually checked by system. The three Debian machines are running XFS, but the Ubuntu machine (which has a much newer kernel) has btrfs formatted drives I'll report back once I have moved to a newer kernel. thanks Roland > > Regards, > John > > 1. http://ceph.com/docs/master/cephfs/ > >
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