udevd-work report error on boot software raid1
Posted: 2012/02/16 15:53:12
I have a fresh build of minimal CentOS 6.2 on my server.
I built the OS on a set of software mirrors created in the OS install process.
The system boots and works fine, but I get the following two errors at boot time:
[b]From /var/log/boot.log[/b]
[code]Welcome to CentOS
Avvio di udev: udevd-work[395]: error opening ATTR{/sys/devices/virtual/block/md0/queue/iosched/slice_idle} for writing: No such file or directory
udevd-work[395]: error opening ATTR{/sys/devices/virtual/block/md0/queue/iosched/quantum} for writing: No such file or directory
[ OK ][/code]
No other message appear.
I have made many times software RAID 1 in Centos 5 and I never had any problem.
I have read many posts but I haven't found nothing usefull.
Surely I have a simple error, but I don't know what or where is it.
Here some detail about raid configuration:
/dev/md0 /boot
/dev/md1 swap
/dev/md2 /
[b]cat /proc/mdstat[/b]
[code]
Personalities : [raid1]
md0 : active raid1 sda1[0] sdb1[1]
255988 blocks super 1.0 [2/2] [UU]
md2 : active raid1 sda3[0] sdb3[1]
153934780 blocks super 1.1 [2/2] [UU]
bitmap: 1/2 pages [4KB], 65536KB chunk
md1 : active raid1 sda2[0] sdb2[1]
2096120 blocks super 1.1 [2/2] [UU]
unused devices: <none>
[/code]
[b]mdadm --detail /dev/md0[/b]
[code]
/dev/md0:
Version : 1.0
Creation Time : Wed Feb 15 17:21:56 2012
Raid Level : raid1
Array Size : 255988 (250.03 MiB 262.13 MB)
Used Dev Size : 255988 (250.03 MiB 262.13 MB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Thu Feb 16 15:44:51 2012
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : Ade:0 (local to host Ade)
UUID : d9d724ff:24f7177e:35323cdf:368bcfff
Events : 19
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 17 1 active sync /dev/sdb1
[/code]
[b]mdadm --detail /dev/md2[/b]
[code]
/dev/md2:
Version : 1.1
Creation Time : Wed Feb 15 17:21:59 2012
Raid Level : raid1
Array Size : 153934780 (146.80 GiB 157.63 GB)
Used Dev Size : 153934780 (146.80 GiB 157.63 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Thu Feb 16 16:46:05 2012
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : Ade:2 (local to host Ade)
UUID : 948f56c7:284db924:bf8e44e3:cb5ebc85
Events : 1326
Number Major Minor RaidDevice State
0 8 3 0 active sync /dev/sda3
1 8 19 1 active sync /dev/sdb3
[/code]
I built the OS on a set of software mirrors created in the OS install process.
The system boots and works fine, but I get the following two errors at boot time:
[b]From /var/log/boot.log[/b]
[code]Welcome to CentOS
Avvio di udev: udevd-work[395]: error opening ATTR{/sys/devices/virtual/block/md0/queue/iosched/slice_idle} for writing: No such file or directory
udevd-work[395]: error opening ATTR{/sys/devices/virtual/block/md0/queue/iosched/quantum} for writing: No such file or directory
[ OK ][/code]
No other message appear.
I have made many times software RAID 1 in Centos 5 and I never had any problem.
I have read many posts but I haven't found nothing usefull.
Surely I have a simple error, but I don't know what or where is it.
Here some detail about raid configuration:
/dev/md0 /boot
/dev/md1 swap
/dev/md2 /
[b]cat /proc/mdstat[/b]
[code]
Personalities : [raid1]
md0 : active raid1 sda1[0] sdb1[1]
255988 blocks super 1.0 [2/2] [UU]
md2 : active raid1 sda3[0] sdb3[1]
153934780 blocks super 1.1 [2/2] [UU]
bitmap: 1/2 pages [4KB], 65536KB chunk
md1 : active raid1 sda2[0] sdb2[1]
2096120 blocks super 1.1 [2/2] [UU]
unused devices: <none>
[/code]
[b]mdadm --detail /dev/md0[/b]
[code]
/dev/md0:
Version : 1.0
Creation Time : Wed Feb 15 17:21:56 2012
Raid Level : raid1
Array Size : 255988 (250.03 MiB 262.13 MB)
Used Dev Size : 255988 (250.03 MiB 262.13 MB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Thu Feb 16 15:44:51 2012
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : Ade:0 (local to host Ade)
UUID : d9d724ff:24f7177e:35323cdf:368bcfff
Events : 19
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 17 1 active sync /dev/sdb1
[/code]
[b]mdadm --detail /dev/md2[/b]
[code]
/dev/md2:
Version : 1.1
Creation Time : Wed Feb 15 17:21:59 2012
Raid Level : raid1
Array Size : 153934780 (146.80 GiB 157.63 GB)
Used Dev Size : 153934780 (146.80 GiB 157.63 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Thu Feb 16 16:46:05 2012
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : Ade:2 (local to host Ade)
UUID : 948f56c7:284db924:bf8e44e3:cb5ebc85
Events : 1326
Number Major Minor RaidDevice State
0 8 3 0 active sync /dev/sda3
1 8 19 1 active sync /dev/sdb3
[/code]