On 19:46, Andre Noll wrote:
> > To be honest I'm not sure what I would do with the blktrace data now,
> > but perhaps someone might be interested to see it; I'd at least gather it.
>
> OK, will send it tomorrow.
Here we go.
mount | grep sda:
/dev/sda on /mnt type ext4 (ro,relatime,barrier=1,data=ordered)
command:
ls stress.* | head -n 5 | xargs rm && stress -d 5 --hdd-noclean --hdd-bytes 10G
dmesg:
EXT4-fs (sda): mounted filesystem with ordered data mode
qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82d1 2002.
qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82d3 2002.
end_request: I/O error, dev sda, sector 7812689752
Aborting journal on device sda-8.
qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82d8 2002.
EXT4-fs (sda): delayed block allocation failed for inode 4198406 at logical offset 0 with max blocks 32768 with error -30
This should not happen!! Data will be lost
EXT4-fs error (device sda) in ext4_da_writepages: Journal has aborted
qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82da 2002.
qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82db 2002.
EXT4-fs (sda): delayed block allocation failed for inode 4198435 at logical offset 0 with max blocks 32768 with error -30
This should not happen!! Data will be lost
EXT4-fs error (device sda): ext4_journal_start_sb: Detected aborted journal
EXT4-fs (sda): Remounting filesystem read-only
EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 4198406; err -30
EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 4198435; err -30
qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82df 2002.
EXT4-fs (sda): delayed block allocation failed for inode 4198433 at logical offset 0 with max blocks 32768 with error -30
This should not happen!! Data will be lost
EXT4-fs (sda): delayed block allocation failed for inode 4198437 at logical offset 0 with max blocks 32768 with error -30
This should not happen!! Data will be lost
EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 4198433; err -30
EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 4198437; err -30
qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82e2 2002.
...
The output of "btrace /dev/sda" during the above command is 1.7M
large. It's at
http://systemlinux.org/~maan/btrace.sda
I'll run further tests with barrier=0 and 60s timeout.
Thanks
Andre
--
The only person who always got his work done by Friday was Robinson Crusoe
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