Am Montag, 22. April 2013 schrieb Martin Steigerwald: > Am Samstag, 20. April 2013 schrieb Josef Bacik: > > So I found your bug on the plane ride, as soon as I get home I'll email > > it. Thanks, > > Did you get home yet? > > I would like to know the impact of the bug. I am running from a > restauration of a backup via rsync which went without any errors, but > still. > > I also still have the backup dd image available for testing. Scratch this, I think this is: [PATCH] Btrfs: don't call readahead hook until we have read the entire eb Noticed it after writing above mail. Ciao, Martin > > Thanks, > Martin > > > Josef > > > > On Apr 20, 2013 4:43 AM, "Martin Steigerwald" <Martin@xxxxxxxxxxxx> wrote: > > > Am Samstag, 20. April 2013 schrieb Josef Bacik: > > > > On Fri, Apr 19, 2013 at 03:15:30AM -0600, Martin Steigerwald wrote: > > > > > Am Dienstag, 16. April 2013 schrieb Martin Steigerwald: > > > > > > On Saturday 13 April 2013 17:48:31 Martin Steigerwald wrote: > > > > > > > Hi! > > > > > > > > > > > > > > Please answer soon whether it would be a good idea to replay > > > > > > > a backup right now as I am leaving to Berlin tomorrow for a > > > > > > > week without my backup drive with me. Well, I made space on > > > > > > > an external 2,5 inch drive, that I can take with me. I am > > > > > > > taking that one with me, after having made sure it has a > > > > > > > consistent backup. :) > > > > > > > > > > > > Ping. > > > > > > > > > > > > Any hints on this one? I am going to recreate the filesystem > > > > > > next weekend at latest. > > > > > > > > > > > > I did not see any I/O or BTRFS errors in logs so far, so > > > > > > filesystem appears to be good. > > > > > > > > > > Last chance to let me dig out some more information about this. > > > > > > > > > > Even with lack of any other oddities I am not going to tolerate a > > > > > non scrubbing BTRFS filesystem for longer than a week and will > > > > > redo it during the weekend. > > > > > > > > Can you get a btrfs-image of the file system as it is and upload it > > > > somewhere for me to pull down so I can try and reproduce? Thanks, > > > > > > Hmmm, this doesn´t seem to work: > > > > > > merkaba:~#134> btrfs-image -c9 -t4 /dev/merkaba/home > > > /mnt/zeit/home.img checksum verify failed on 65536 wanted E79F04C2 > > > found 73 > > > checksum verify failed on 65536 wanted E79F04C2 found 73 > > > Csum didn't match > > > btrfs-image: btrfs-image.c:394: flush_pending: Assertion `!(!eb)' > > > failed. zsh: abort btrfs-image -c9 -t4 /dev/merkaba/home > > > /mnt/zeit/home.img merkaba:~#134> btrfs-image /dev/merkaba/home > > > /mnt/zeit/home.img checksum verify failed on 65536 wanted E79F04C2 > > > found 73 > > > checksum verify failed on 65536 wanted E79F04C2 found 73 > > > Csum didn't match > > > btrfs-image: btrfs-image.c:394: flush_pending: Assertion `!(!eb)' > > > failed. zsh: abort btrfs-image /dev/merkaba/home > > > /mnt/zeit/home.img merkaba:~#134> > > > > > > > > > merkaba:~> ls -l /mnt/zeit/home.img > > > -rw-r--r-- 1 root root 0 Apr 20 10:32 /mnt/zeit/home.img > > > > > > > > > In order to be able to restore to a sane setup, I will do the > > > following now: > > > > > > - make another rsync backup without deleting older backup snapshots > > > in case the BTRFS filesystem got corrupted and cannot retrieve some > > > files which seems > > > so from above and btrfs-debug-tree outputs. > > > > > > - make a dd backup of the home partition to my backup harddisk for > > > further investigation > > > > > > - recreate the home filesystem as BTRFS or Ext4/XFS. But I think I > > > will try BTRFS again, but I will put all the KDE Akonadi / Nepomuk > > > related stuff onto > > > another Ext4 partition as asked by a KDE developer to see whether the > > > mail data loss issue is somehow related to using BTRFS, cause the > > > developer as well as the main KMail developer also use KMail 2 with > > > POP3 and they have no > > > data losses. > > > > > > > > > I can try some stuff on the dd image then, maybe its still possible > > > to get an > > > btrfs-image somehow. > > > > > > Thanks, > > > -- > > > Martin 'Helios' Steigerwald - http://www.Lichtvoll.de > > > GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 > > > -- > > > To unsubscribe from this list: send the line "unsubscribe > > > linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx > > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
