On Monday 21 of March 2011 17:24:50 Stephane Chazelas wrote:
Hiya,
I'm trying to move a btrfs FS that's on a hardware raid 5 (6TB
large, 4 of which are in use) to another machine with 3 3TB HDs
and preserve all the subvolumes/snapshots.
Is there a way to do that without using a
Hallo, Evert,
Du meintest am 05.04.11:
I then did a btrfs fi balance again and let it run through. However
here is what I get:
$ df -h /mnt
Filesystem Size Used Avail Use% Mounted on
/dev/sdb 8.2T 3.5T 3.2T 53% /mnt
Only 3.2T left. How would I reclaim the
Hallo, Stephane,
Du meintest am 28.03.11:
I then did a btrfs fi balance again and let it run through. However
here is what I get:
$ df -h /mnt
FilesystemSize Used Avail Use% Mounted on
/dev/sdb 8.2T 3.5T 3.2T 53% /mnt
Only 3.2T left. How would I reclaim the
On 28.03.2011 15:17, Stephane Chazelas wrote:
I then did a btrfs fi balance again and let it run through. However here is
what I get:
$ df -h /mnt
FilesystemSize Used Avail Use% Mounted on
/dev/sdb 8.2T 3.5T 3.2T 53% /mnt
Only 3.2T left. How would I reclaim
2011-03-28 14:17:48 +0100, Stephane Chazelas:
[...]
So here is how I transferred a 6TB btrfs on one 6TB raid5 device
(on host src) over the network onto a btrfs on 3 3TB hard drives
[...]
I then did a btrfs fi balance again and let it run through. However here is
what I get:
[...]
Sorry, it
On 06.04.2011 14:05, Stephane Chazelas wrote:
2011-04-06 10:25:00 +0200, Arne Jansen:
On 28.03.2011 15:17, Stephane Chazelas wrote:
I then did a btrfs fi balance again and let it run through. However here is
what I get:
$ df -h /mnt
FilesystemSize Used Avail Use% Mounted on
Hi there.
From my limited understanding, btrfs will write metadata in raid1 by
default. So, this could be where your 2TB has gone.
I am assuming you used raid0 for the three new disks?
Also, hard-stopping a btrfs is a no-no...
Kind regards,
-Evert-
On Mon, Mar 28, 2011 at 6:17 AM, Stephane
2011-03-22 18:06:29 -0600, cwillu:
I can mount it back, but not if I reload the btrfs module, in which case I
get:
[ 1961.328280] Btrfs loaded
[ 1961.328695] device fsid df4e5454eb7b1c23-7a68fc421060b18b devid 1
transid 118 /dev/loop0
[ 1961.329007] btrfs: failed to read the system
2011-03-23 12:13:45 +0700, Fajar A. Nugraha:
On Mon, Mar 21, 2011 at 11:24 PM, Stephane Chazelas
stephane.chaze...@gmail.com wrote:
AFAICT, compression is enabled at mount time and would
only apply to newly created files. Is there a way to compress
files already in a btrfs filesystem?
2011-03-21 16:24:50 +, Stephane Chazelas:
[...]
I'm trying to move a btrfs FS that's on a hardware raid 5 (6TB
large, 4 of which are in use) to another machine with 3 3TB HDs
and preserve all the subvolumes/snapshots.
[...]
I tried one approach: export a LVM snapshot of the old fs as a
nbd
I can mount it back, but not if I reload the btrfs module, in which case I
get:
[ 1961.328280] Btrfs loaded
[ 1961.328695] device fsid df4e5454eb7b1c23-7a68fc421060b18b devid 1 transid
118 /dev/loop0
[ 1961.329007] btrfs: failed to read the system array on loop0
[ 1961.340084] btrfs:
On Mon, Mar 21, 2011 at 11:24 PM, Stephane Chazelas
stephane.chaze...@gmail.com wrote:
AFAICT, compression is enabled at mount time and would
only apply to newly created files. Is there a way to compress
files already in a btrfs filesystem?
You need to select the files manually (not possible
Hiya,
I'm trying to move a btrfs FS that's on a hardware raid 5 (6TB
large, 4 of which are in use) to another machine with 3 3TB HDs
and preserve all the subvolumes/snapshots.
Is there a way to do that without using a software/hardware raid
on the new machine (that is just use btrfs
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