Re: [ceph-users] kernel BUG at net/ceph/osd_client.c:2103

2013-08-05 Thread Alex Elder
On 08/04/2013 08:07 PM, Olivier Bonvalet wrote: > > Hi, > > I've just upgraded a Xen Dom0 (Debian Wheezy with Xen 4.2.2) from Linux > 3.9.11 to Linux 3.10.5, and now I have kernel panic after launching some > VM which use RBD kernel client. A crash like this was reported last week. I started l

Re: [ceph-users] kernel BUG when mapping unexisting rbd device

2013-03-26 Thread Alex Elder
On 03/25/2013 06:03 AM, Dan van der Ster wrote: > Hi, > Apologies if this is already a known bug (though I didn't find it). > > If we try to map a device that doesn't exist, we get an immediate and > reproduceable kernel BUG (see the P.S.). We hit this by accident > because we forgot to add the --

Re: [ceph-users] kernel BUG when mapping unexisting rbd device

2013-03-27 Thread Alex Elder
On 03/25/2013 06:03 AM, Dan van der Ster wrote: > Hi, > Apologies if this is already a known bug (though I didn't find it). > > If we try to map a device that doesn't exist, we get an immediate and > reproduceable kernel BUG (see the P.S.). We hit this by accident > because we forgot to add the --

Re: [ceph-users] Backporting the kernel client

2013-04-29 Thread Alex Elder
On 04/29/2013 08:16 AM, Juha Aatrokoski wrote: > I'm probably not the only one who would like to run a > distribution-provided kernel (which for Debian Wheezy/Ubuntu Precise is > 3.2) and still have a recent-enough Ceph kernel client. So I'm wondering > whether it's feasible to backport the kernel

Re: [ceph-users] Kernel panic on rbd map when cluster is out of monitor quorum

2013-05-17 Thread Alex Elder
On 05/17/2013 03:49 PM, Joe Ryner wrote: > Hi All, > > I have had an issue recently while working on my ceph clusters. The > following issue seems to be true on bobtail and cuttlefish. I have > two production clusters in two different data centers and a test > cluster. We are using ceph to run

Re: [ceph-users] RBD image "lightweight snapshots"

2018-09-05 Thread Alex Elder
On 08/09/2018 08:15 AM, Sage Weil wrote: > On Thu, 9 Aug 2018, Piotr Dałek wrote: >> Hello, >> >> At OVH we're heavily utilizing snapshots for our backup system. We think >> there's an interesting optimization opportunity regarding snapshots I'd like >> to discuss here. >> >> The idea is to introdu