Excerpts from Dave Chinner's message of 2010-12-15 22:37:18 -0500:
On Wed, Dec 08, 2010 at 07:20:24AM -0500, Chris Mason wrote:
Usually the trick to reproducing filesystem corruptions is adding memory
pressure. The corruption is probably a bad interaction between reads
and writes, and
Hi,
I have a btrfs that conains many hardlinks. I'm using rsync to create
backups. It creates the backup of a day by (hard‐)linking the files
(inodes) they haven't changed with the files from a former day.
% find 2010-12-1[10]-00 -maxdepth 1
2010-12-10-00
2010-12-10-00/etc
2010-12-10-00/home
Hi,
I'm not really answering your question, but may I suggest you change
your backup strategy to leverage one of btrfs main features: instead of
using the hardlink-feature of rsync, use snapshots. Btrfs snapshots are
way better than a hardlink-tree, for multiple reasons:
- It uses less
Hi!
Last week I crashed a btrfs file system. I didn't lose a lot of data because I
had current backups of most data and a full backup from a month ago.
But I thought it would be a nice idea to have a rescue tool! Currently I have a
first release of this tool (surely buggy and runnning on little
Excerpts from Michael Niederle's message of 2010-12-16 18:18:49 -0500:
Hi!
Last week I crashed a btrfs file system. I didn't lose a lot of data because I
had current backups of most data and a full backup from a month ago.
But I thought it would be a nice idea to have a rescue tool!
Andreas Philipp hat am Thu 16. Dec, 14:03 (+0100) geschrieben:
On 16.12.2010 13:31, Jörg Sommer wrote:
When running rm -r to remove an old backup or running rsync I see the
average size of a read or a write request ist 4k. This leads to a very
bad throughput of fewer than 2MByte/s. I'm
Excerpts from Ian! D. Allen's message of 2010-12-13 21:23:24 -0500:
I can reliably get btrfs 0.19 to hang in btrfs_commit_transaction.
Below is another case where it hung after creating just 110 snapshots
of /var/log/. Here is an excerpt from the script log file showing the
last good snapshot
On Thu, Dec 16, 2010 at 08:47:05PM -0500, Chris Mason wrote:
I think this hang is something that sage fixed. Which kernel is this
ubuntu including?
All that detail is posted in the second message in the thread you quoted:
http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg07448.html