Hi Alex,
i've made a list of all commands i executed for this test. You can find
it here:
http://pastebin.com/y8PBgmMZ
Hi Robert,
do you think you can make the "root_snap_send" file of yours available
anywhere (not sure how big it is)?
I'm afraid i've already delete it :/ sry. But in the pastebin there
should be all the commands
you need to execute to reproduce my setup.
Also, I am not sure I understand how you btrfs tree looks like WRT to
where all subvolumes are mounted (but all others seem to understand
well).
You mentioned:
/dev/loop0 on /mnt/TEST_ROOT type btrfs (rw,relatime,compress=lzo,space_cache) # default-subvolume
/dev/loop0 on /mnt/TEST_ROOT/root_volid0 type btrfs (rw,relatime,compress=lzo,space_cache) # subvolid= 0
/dev/loop1 on /mnt/TEST_ROOT/backup_volid0 type btrfs (rw,relatime,compress=lzo,space_cache)
btrfs subvolume snapshot -r /mnt/TEST_ROOT/root_volid0/root/ /mnt/TEST_ROOT/root_volid0/root_snap
Are you trying to snapshot a directory here? I.e., what is "root"
within "root_volid0"?
root is a subvolume inside the /dev/loop0 fs. It is set as the default
subvolume.
I mounted /dev/loop0 at /mnt/TEST_ROOT and inside that i mounted
/dev/loop0 again,
but this time with subvolid=0. So "/mnt/TEST_ROOT/root_volid0/root" is
actually a subvolume
which is also mounted at "/mnt/TEST_ROOT".
Can you pls list all subvolumes you have on your source filesystem
(the one you are trying to backup), and where each one is mounted?
Again, looks like I'm the only one confused about this, so apologies.
You can also possibly use the "tree" utility to better visualize your
fs tree, like:
tree -A --inodes --noreport /mnt/TEST_ROOT
Jan, David, hope it's ok with you if I'll try to debug this.
Thanks,
Alex.
I'm kinda in a hurry now because i'm leaving for Holidays soon and i
still have to finish my bachelor thesis :P
I hope with the the commands from the pastebin you have everything you
need. I can answer emails until Friday morning.
Regards,
Robert
On Sat, Aug 25, 2012 at 11:24 AM, Robert Buhren <robert@xxxxxxxxxxxxxxx> wrote:
On 24.08.2012 15:33, David Sterba wrote:
On Thu, Aug 23, 2012 at 10:54:54AM +0200, Robert Buhren wrote:
I'm on linux-3.6-rc2 and btrfs-progs from git.
Please try it with Chris' for-linus branch, it contains a fair portion
of send-related fixes and from brief look they may be related to the
errors you see.
david
Hi David,
i just tried it with a kernel from the "for-linus" branch. But i still get
the same error.
Just to be sure:
You ment this branch:
http://git.kernel.org/?p=linux/kernel/git/mason/linux-btrfs.git;a=shortlog;h=refs/heads/for-linus
right?
Regards,
Robert
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