Dear Phil Turmel,
In message <5105D0EA.7080100@xxxxxxxxxx> you wrote:
>
> > Creation Time : Mon Jan 14 14:20:34 2013
>
> Something is missing from this story. Was the original system created
> this month, and immediately upgraded? Or was there a "mdadm --create"
> in this story you haven't told us about?
On one of the systems where I observe these problems the array was
indeed recreated; this is running set of old Maxtor MaXLine Plus II
7Y250M0 drives, and the rebuild was done to throw out some drives that
started growing number of reallocated sectors.
The two other systems have been running unmodified hardware-wise for
many months.
> Please share the output of "mdadm -E /dev/sd[defghijk]1".
/dev/sdd1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489968447 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 9d820d74:cd981ec5:b0d95ad6:37124d98
Update Time : Sun Jan 27 23:03:15 2013
Checksum : 9fe9401b - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 0
Array State : AAAAAAAA ('A' == active, '.' == missing)
/dev/sde1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489970560 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : d0494c53:30feb967:37f035e7:5665af56
Update Time : Sun Jan 27 23:03:15 2013
Checksum : f100de9d - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 6
Array State : AAAAAAAA ('A' == active, '.' == missing)
/dev/sdf1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489970560 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 6d84b3ee:3789d762:1de41934:986e51c2
Update Time : Sun Jan 27 23:03:15 2013
Checksum : 400ba165 - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 1
Array State : AAAAAAAA ('A' == active, '.' == missing)
/dev/sdg1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489970560 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 1605798c:a669952b:33d986ec:a25c7c1f
Update Time : Sun Jan 27 23:03:15 2013
Checksum : bc26e59d - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 2
Array State : AAAAAAAA ('A' == active, '.' == missing)
/dev/sdh1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489970560 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 90bdf4cd:1e05fd37:bd4d27d5:666c9924
Update Time : Sun Jan 27 23:03:15 2013
Checksum : f7c7bdde - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 3
Array State : AAAAAAAA ('A' == active, '.' == missing)
/dev/sdi1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489970560 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 2143a792:be518d02:b2ad54b6:fbf72cd7
Update Time : Sun Jan 27 23:03:15 2013
Checksum : 1acb7b9e - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 7
Array State : AAAAAAAA ('A' == active, '.' == missing)
/dev/sdj1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489970560 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 8d76c4b7:819e678e:c9c66587:9eea674f
Update Time : Sun Jan 27 23:03:15 2013
Checksum : 150f0784 - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 4
Array State : AAAAAAAA ('A' == active, '.' == missing)
/dev/sdk1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : da015f96:138b37bf:d5ef71dc:8970ab15
Name : atlas.denx.de:0 (local to host atlas.denx.de)
Creation Time : Mon Jan 14 14:20:34 2013
Raid Level : raid6
Raid Devices : 8
Avail Dev Size : 489970560 (233.64 GiB 250.86 GB)
Array Size : 1459617792 (1392.00 GiB 1494.65 GB)
Used Dev Size : 486539264 (232.00 GiB 249.11 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 5d9ef991:6162ced4:d50c17e8:882b4e68
Update Time : Sun Jan 27 23:03:15 2013
Checksum : af427a2b - correct
Events : 8
Layout : left-symmetric
Chunk Size : 16K
Device Role : Active device 5
Array State : AAAAAAAA ('A' == active, '.' == missing)
> Please also explain/share what you've done to conclude the filesystem is
> error-free.
fsck shows no errors, a full backup shows no errors, and a number of
files I checked manually showed no corruption. I'm aware that this is
not a very reliable test.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@xxxxxxx
At the source of every error which is blamed on the computer you will
find at least two human errors, including the error of blaming it on
the computer.
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