On Fri, Nov 20, 2009 at 8:31 AM, Albert Strasheim full...@gmail.com wrote:
We are experimenting with btrfs and we've run into some problems.
We are running on two Sun Storage J4400 Arrays containing a total of
48 1 TB disks.
With 24 disks in the btrfs:
Now with one more disk:
False alarm.
Hi Chris, reproduced the hang; attached are the logs from the sysrq's you
suggested.
sysrq.txt.gz
Description: GNU Zip compressed data
On Nov 20, 2009, at 10:35 AM, Chris Mason wrote:
On Thu, Nov 19, 2009 at 06:18:49PM -0500, John Dong wrote:
Managed to get some kernel logs this time.
Hi!
The problem is btrfs randomly changes the current master
superblock of the filesystem. Only 1 of the devices will
be mountable. You just have to try the other ones, like:
$ mount -t btrfs /dev/loop0 /mnt/btrfs
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
$
On Fri, Nov 20, 2009 at 12:50 PM, Goffredo Baroncelli
kreij...@gmail.com wrote:
Any comments ?
BR
G.Baroncelli
since COW semantics require touching directory entries all the way up
to the root of the subvolume, for transaction-intensive applications
it would make sense to provide something
On Fri, Nov 20, 2009 at 07:50:06PM +0100, Goffredo Baroncelli wrote:
Hi all,
after the Chirs (Ball) email, I thought about a possible btrfs file-system
layout, which may permit to snapshot the root and mount (if required) an old
snapshot of the root.
[ very clear description of a
On Fri, Nov 20, 2009 at 1:50 PM, Chris Mason chris.ma...@oracle.com wrote:
COW semantics require touching btree nodes all the way up to the root of
the btree, but this is different from the directory. Directories are
stored in the btree, but you won't have to touch more than 8 or so btree
Hi Chris,
On Friday 20 November 2009, Chris Mason wrote:
On Fri, Nov 20, 2009 at 07:50:06PM +0100, Goffredo Baroncelli wrote:
Hi all,
after the Chirs (Ball) email, I thought about a possible btrfs file-system
layout, which may permit to snapshot the root and mount (if required) an
old