Am Samstag, 16. Juni 2012 schrieb Martin Steigerwald: > merkaba:~> date ; btrfs scrub status /mnt/amazon-daten > Sa 16. Jun 22:06:33 CEST 2012 > scrub status for bd94ea73-6e77-4c81-b053-2401b4f52b3e > scrub started at Sat Jun 16 21:44:09 2012, running for 1341 > seconds total bytes scrubbed: 90.30GB with 0 errors > merkaba:~> date ; btrfs scrub cancel /mnt/amazon-daten > Sa 16. Jun 22:06:47 CEST 2012 > [… hangs here …]
btrfs-readahead is stuck: merkaba:~> ps aux | egrep "(USER| D)" USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 11920 0.0 0.0 0 0 ? D 21:46 0:00 [btrfs-readahead] root 13649 0.0 0.0 10544 396 pts/0 D+ 22:06 0:00 btrfs scrub cancel /mnt/amazon-daten root 16309 0.0 0.0 9816 948 pts/1 S+ 22:24 0:00 egrep (USER| D) I created a bug report with a kern.log including echo t > /proc/sysrq-trigger with stuck readahead I will no be redoing the backup drive as 4K node and leaf size. The production one I will leave at 32K for now, so I might be able to reproduce this hang. But first checksum error free redundancy minus the few affected files that are not that important to me. 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html