Hi, I probably should have used a better subject title. Also, I submitted this
without knowing if it would be helpful or not. If it can be used in a good way
Great! If not, then no problem. I appreciate you getting back with me, Marc.
Thanks. :)
On 03/30/2014 12:50 AM, Marc MERLIN wrote:
On Thu, Mar 20, 2014 at 11:21:27PM -0400, sepero111@xxxxxxx wrote:
Hello all. I submit bugs to different foss projects regularly, but I
don't really have a bug report this time. I have a broken filesystem
to report. And I have no idea how to reproduce it.
I am including a link to the filesystem itself, because it appears
to be unrepairable and unrestorable. I have no personal information
on the disk image. The filesystem is almost 512MB uncompressed. I
was using it on an old usb drive with 512MB size limitation. I only
used (abused?) it about 2 days before this corruption.
My goal was to use the usb as a bootable rescue system. I decided to
try Btrfs instead of Ext4, because it supports filesystem
compression.
BTRFS IMAGE LINK (please pardon my file hosting service)
http://www.mediafire.com/download/gdaydt3mz8uwtmm/sdb1.btrfs.xz
It looks like you got no answer, and I'm not a dev so I can't help you
either.
The btrfs devs are pretty busy and can't always get back to everyone.
Hopefully they'll be able to look at this, but sorry if not.
Marc
These are some things that may have helped to cause the corruption.
+Created btrfs with -M flag
+Installed Debian testing/unstable
+When mounting, I always used at least these options:
ssd_spread,noatime,compression=zlib,autodefrag
+Occasionally force powering off computer.
+While booted into usb system, I was constantly running out of space
while trying to install new packages.
It is my hope that this image might be used to improve the btrfs
restore and btrfsck tools. Please let me know if I can provide any
further information. Big thanks to everyone helping to further
development of Btrfs.
Sepero
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