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.... After removing the faulty module and restarting the server, everything was working again. However, yesterday we had a soft lockup and had to restart the server again. No warning or ecc error this time. Everything is working now, but we want to avoid this in the future ofcourse. Dec 11 17:49:04 SANOS1 kernel: kernel BUG at fs/btrfs/extent_io.c:4052! Dec 11 17:49:04 SANOS1 kernel: invalid opcode: 0000 [#1] SMP Dec 11 17:49:04 SANOS1 kernel: CPU 4 Dec 11 17:49:04 SANOS1 kernel: Modules linked in: iscsi_scst(O) scst_vdisk(O) scst(O) btrfs zlib_deflate libcrc32c cpufreq_conservative cpufreq_userspac...

...rfs). Is this safe to do ? The disk usage numbers look weird to me, also the limited amount of data written to the new disk after the balance. And I think the balance also failed. All data is still accessible and I hope this stays the case after removing the missing device :) "Mar 27 17:41:06 SANOS1 kernel: btrfs: allowing degraded mounts Mar 27 17:41:06 SANOS1 kernel: btrfs: disk space caching is enabled Mar 27 17:41:06 SANOS1 kernel: btrfs: bdev (null) errs: wr 3243008, rd 2, flush 430, corrupt 0, gen 0 Mar 27 17:41:06 SANOS1 kernel: btrfs: bdev /dev/sdl errs: wr 144, rd 0, flush 48, corrupt...

Hi, I''m running OpenSuse 12.2 with kernel 3.5.3 HBA= LSI 1068e using the MPTSAS driver (patched) (https://patchwork.kernel.org/patch/1379181/) SANOS1:/media # uname -a Linux SANOS1 3.5.3 #3 SMP Sun Sep 2 18:44:37 CEST 2012 x86_64 x86_64 x86_64 GNU/Linux I''ve tried to simulate a disk replacement but it seems that now /dev/sdg is stuck in the btrfs pool (RAID10) SANOS1:/media # btrfs device scan Scanning for Btrfs filesystems ERROR: una...