Struggling with mds. It seems very fragile.

Using ceph version 0.3 and the ceph kernel that comes with ubuntu 11.04. I've setup 5 osds and one one mon and mds on one machine. When I first started, without writing any data to the ceph fs my mds would keep crashing. I fixed that problem by deleting the mod data directory and the ceph data dir

exploration hooking RBD into SCST-iSCSI

I was able to hook rbd up through SCST's iSCSI driver to export a lun, through which I was able to discover and perform some I/O via the open-iscsi drivers. Looks like it's basically working, but I wanted to check who else might have been testing this and whether anybody's been integrating either S

Re: btrfs devs

On Fri, Jul 8, 2011 at 07:09, Vineet Jain wrote: > you define a btrfs device as: > >        btrfs devs = /dev/sdx > > Is there any way to change the device to use UUID instead since sdx > can change between boots or when you replace hard drives. Any path to a block device is good enough. udev giv

Re: Replacing a failed disk/OSD: unfound object

[It seems I dropped the Cc: to ceph-devel, added it back.. Please reply to this message instead, and sorry about that. I'm starting to dislike Google Apps for mailing list traffic :( ] On Fri, Jul 8, 2011 at 10:07, Tommi Virtanen wrote: > On Fri, Jul 8, 2011 at 01:23, Meng Zhao wrote: >> I was t

Re: Verification of Crush Rules

On Tue, Jul 5, 2011 at 07:34, Mark Nigh wrote: > I have created a cluster with 2 nodes and 6 osds each. > > I would like to verify if my pgs are being placed on the correct nodes based > on my crushmap. I would like to make sure that my replication (x2, default) > is not placed on the same host.

logging control in cluster configuration file

Looking at the documentation for the cluster configuration file at: http://ceph.newdream.net/wiki/Cluster_configuration can someone please add a section if logging is configurable and what the options are for it. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body

Replacing a failed disk/OSD: unfound object

Hi, I was trying to replace a disk for an osd by following instruction at: http://ceph.newdream.net/wiki/Replacing_a_failed_disk/OSD Now, ceph -w getting 2011-07-08 15:52:39.702881pg v1602: 602 pgs: 49 active+degraded, 553 active+clean+degraded; 349 MB data, 333 MB used, 566 MB / 1023 MB