Re: Data recovery after RBD I/O error

2015-01-07 Thread Austin S Hemmelgarn
On 2015-01-06 23:11, Jérôme Poulin wrote: On Mon, Jan 5, 2015 at 6:59 AM, Austin S Hemmelgarn wrote: Secondly, I would highly recommend not using ANY non-cluster-aware FS on top of a clustered block device like RBD For my use-case, this is just a single server using the RBD device. No cluste

Re: Data recovery after RBD I/O error

2015-01-06 Thread Jérôme Poulin
On Mon, Jan 5, 2015 at 6:59 AM, Austin S Hemmelgarn wrote: > Secondly, I would highly recommend not using ANY non-cluster-aware FS on top > of a clustered block device like RBD For my use-case, this is just a single server using the RBD device. No clustering involved on the BTRFS side of thing.

Re: Data recovery after RBD I/O error

2015-01-05 Thread Austin S Hemmelgarn
On 2015-01-04 15:26, Jérôme Poulin wrote: Happy holiday everyone, TL;DR: Hardware corruption is really bad, if btrfs-restore work, kernel Btrfs can! I'm cross-posting this message since the root cause for this problem is the Ceph RBD device however, my main concern is data loss from a BTRFS fil