Re: How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Duncan
Simon King posted on Sat, 31 Oct 2015 18:31:45 +0100 as excerpted: > I know that "df" is different from "btrfs fi df". However, I see that df > shows significantly more free space after balancing. Also, when my > computer became unusable, the problem disappeared by balancing and > defragmentation

Re: Crash during mount -o degraded, kernel BUG at fs/btrfs/extent_io.c:2044

2015-10-31 Thread Duncan
Philip Seeger posted on Sun, 01 Nov 2015 00:36:42 +0100 as excerpted: > On 10/31/2015 08:18 PM, Philip Seeger wrote: >> But it looks like there are still some "invisible" errors on this (now >> empty) filesystem; after rebooting and mounting it, this one error is >> logged: >> BTRFS: bdev

Unclear error message when running btrfs check on a mountpoint

2015-10-31 Thread Martin Steigerwald
Hi! With kernel 4.3-rc7 and btrfs-progs 4.2.2 I get: merkaba:~> btrfs check /daten Superblock bytenr is larger than device size Couldn't open file system It took me a moment to see that I used a mountpoint and that this may be the reason for the error message. Maybe check for a device file as

Re: behavior of BTRFS in relation to inodes when moving/copying files between filesystems

2015-10-31 Thread Martin Steigerwald
Am Dienstag, 13. Oktober 2015, 12:39:12 CET schrieben Sie: > Hi! > > With BTRFS to XFS/Ext4 the inode number of the target file stays the same in > with both cp and mv case (/mnt/zeit is a freshly created XFS in this example): > > merkaba:~> ls -li foo /mnt/zeit/moo > 6609270 foo > 99

Re: [4.3-rc4] scrubbing aborts before finishing

2015-10-31 Thread Martin Steigerwald
Am Donnerstag, 22. Oktober 2015, 10:41:15 CET schrieb Martin Steigerwald: > I get this: > > merkaba:~> btrfs scrub status -d / > scrub status for […] > scrub device /dev/mapper/sata-debian (id 1) history > scrub started at Thu Oct 22 10:05:49 2015 and was aborted after > 00:00:00

Re: How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Simon King
Hi Hugo, Am 31.10.2015 um 17:41 schrieb Hugo Mills: >> linux-va3e:~ # uname -a >> Linux linux-va3e.site 3.16.7-29-desktop #1 SMP PREEMPT Fri Oct 23 >> 00:46:04 UTC 2015 (6be6a97) x86_64 x86_64 x86_64 GNU/Linux > >OK, that's a bit old -- you would probably do well to upgrade this > anyway,

Re: How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Hugo Mills
On Sat, Oct 31, 2015 at 06:31:45PM +0100, Simon King wrote: > Hi Hugo, > > Am 31.10.2015 um 17:41 schrieb Hugo Mills: > >> linux-va3e:~ # uname -a > >> Linux linux-va3e.site 3.16.7-29-desktop #1 SMP PREEMPT Fri Oct 23 > >> 00:46:04 UTC 2015 (6be6a97) x86_64 x86_64 x86_64 GNU/Linux > > > >OK,

Re: Crash during mount -o degraded, kernel BUG at fs/btrfs/extent_io.c:2044

2015-10-31 Thread Philip Seeger
On 10/23/2015 01:13 AM, Erik Berg wrote: So I intentionally broke this small raid6 fs on a VM to learn recovery strategies for another much bigger raid6 I have running (which also suffered a drive failure). Basically I zeroed out one of the drives (vdd) from under the running vm. Then ran an

Re: How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Simon King
Hi! Am 31.10.2015 um 19:33 schrieb Hugo Mills: >> I combined the two, since -dlimit on its own won't work: >> >> linux-va3e:~ # btrfs balance start -dlimit=2 / >> ERROR: error during balancing '/' - No space left on device >> There may be more info in syslog - try dmesg | tail > >And this is

[PATCH] Btrfs: find_free_extent: Do not erroneously skip LOOP_CACHING_WAIT state

2015-10-31 Thread Chandan Rajendra
When executing generic/001 in a loop on a ppc64 machine (with both sectorsize and nodesize set to 64k), the following call trace is observed, WARNING: at /root/repos/linux/fs/btrfs/locking.c:253 Modules linked in: CPU: 2 PID: 8353 Comm: umount Not tainted 4.3.0-rc5-13676-ga5e681d #54 task:

How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Simon King
Hi! >From the messages I see in this forum, I got the impression that it is a developer forum and not a help forum. I seek help. So, please point me to the right place if I shouldn't ask my questions here. Since I am new, first my data: linux-va3e:~ # uname -a Linux linux-va3e.site

Re: How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Hugo Mills
On Sat, Oct 31, 2015 at 04:26:11PM +0100, Simon King wrote: > Hi! > > From the messages I see in this forum, I got the impression that it is a > developer forum and not a help forum. I seek help. So, please point me > to the right place if I shouldn't ask my questions here. No, you're good

Re: Crash during mount -o degraded, kernel BUG at fs/btrfs/extent_io.c:2044

2015-10-31 Thread Philip Seeger
On 10/31/2015 08:18 PM, Philip Seeger wrote: On 10/23/2015 01:13 AM, Erik Berg wrote: So I intentionally broke this small raid6 fs on a VM to learn recovery strategies for another much bigger raid6 I have running (which also suffered a drive failure). Basically I zeroed out one of the drives

Re: How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Henk Slager
Hi Simon, >>> linux-va3e:~ # btrfs balance start -dlimit=2 / >>> ERROR: error during balancing '/' - No space left on device >>> There may be more info in syslog - try dmesg | tail >> >>And this is with a filesystem that's not fully allocated? >> (i.e. btrfs fi show indicates that used and

Re: How to delete this snapshot, and how to succeed with balancing?

2015-10-31 Thread Hugo Mills
On Sat, Oct 31, 2015 at 11:45:15PM +0100, Henk Slager wrote: > Hi Simon, > > >>> linux-va3e:~ # btrfs balance start -dlimit=2 / > >>> ERROR: error during balancing '/' - No space left on device > >>> There may be more info in syslog - try dmesg | tail > >> > >>And this is with a filesystem