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Old 23rd April 2012, 03:02 AM
BrianMicek Offline
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Join Date: Mar 2010
Location: Fairfax, Virginia
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Fedora16 "RAID conf printout:" monopolizing dmesg

I'm sorry if this is a duplicate post. I did some searching and wasnt able to find anything relating to this problem but I don't frequent this forum as often as I should so I might have missed something.

My dmesg logs are swamped with my RAID6 configuration every second. I'd like to think this is a new problem but I don't know for sure. This is a snipped from dmesg:
Code:
[585067.894490] RAID conf printout:
[585067.894494]  --- level:6 rd:12 wd:12
[585067.894497]  disk 0, o:1, dev:sdb3
[585067.894500]  disk 1, o:1, dev:sdc1
[585067.894502]  disk 2, o:1, dev:sdd1
[585067.894504]  disk 3, o:1, dev:sde1
[585067.894506]  disk 4, o:1, dev:sdf1
[585067.894508]  disk 5, o:1, dev:sdg1
[585067.894510]  disk 6, o:1, dev:sdh1
[585067.894513]  disk 7, o:1, dev:md97
[585067.894515]  disk 8, o:1, dev:sdk1
[585067.894517]  disk 9, o:1, dev:md99
[585067.894519]  disk 10, o:1, dev:sdi1
[585067.894521]  disk 11, o:1, dev:sdr1
[585072.886170] RAID conf printout:
[585072.886174]  --- level:6 rd:12 wd:12
[585072.886178]  disk 0, o:1, dev:sdb3
[585072.886180]  disk 1, o:1, dev:sdc1
[585072.886182]  disk 2, o:1, dev:sdd1
[585072.886184]  disk 3, o:1, dev:sde1
[585072.886186]  disk 4, o:1, dev:sdf1
[585072.886188]  disk 5, o:1, dev:sdg1
[585072.886190]  disk 6, o:1, dev:sdh1
[585072.886192]  disk 7, o:1, dev:md97
[585072.886194]  disk 8, o:1, dev:sdk1
[585072.886196]  disk 9, o:1, dev:md99
[585072.886199]  disk 10, o:1, dev:sdi1
[585072.886201]  disk 11, o:1, dev:sdr1
[585073.087332] RAID conf printout:
[585073.087336]  --- level:6 rd:12 wd:12
[585073.087339]  disk 0, o:1, dev:sdb3
[585073.087341]  disk 1, o:1, dev:sdc1
[585073.087344]  disk 2, o:1, dev:sdd1
[585073.087346]  disk 3, o:1, dev:sde1
[585073.087348]  disk 4, o:1, dev:sdf1
[585073.087350]  disk 5, o:1, dev:sdg1
[585073.087352]  disk 6, o:1, dev:sdh1
[585073.087354]  disk 7, o:1, dev:md97
[585073.087356]  disk 8, o:1, dev:sdk1
[585073.087358]  disk 9, o:1, dev:md99
[585073.087360]  disk 10, o:1, dev:sdi1
[585073.087362]  disk 11, o:1, dev:sdr1
My first guess was that maybe /sbin/mdadm --monitor --scan might be responsible, but strace reveales it gets its data by select()ing on /proc/mdstat.

I did some Google'ing and found one Gentoo thread from about a month ago that goes nowhere here:
http://forums.gentoo.org/viewtopic-t-917936.html

Code:
[root@desktop ~]# uname -a
Linux desktop.bmicek.com 3.3.1-5.fc16.x86_64 #1 SMP Tue Apr 10 19:56:52 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
[root@desktop ~]# cat /proc/mdstat 
Personalities : [raid0] [raid6] [raid5] [raid4] 
md98 : active raid0 sdo1[0] sdm1[1]
      1950326784 blocks super 1.2 512k chunks
      
md99 : active raid0 sdq1[1] sdp1[0]
      1950326784 blocks super 1.2 512k chunks
      
md97 : active raid0 sdl1[1] sdn1[0]
      1950326784 blocks super 1.2 512k chunks
      
md127 : active raid6 md97[7] md99[9] sdf1[4] md98[15](S) sdr1[13] sdb3[0] sde1[3] sdh1[6] sdg1[5] sdi1[12] sdk1[14] sdc1[1] sdd1[2]
      19503247360 blocks super 1.2 level 6, 1024k chunk, algorithm 0 [12/12] [UUUUUUUUUUUU]
      
unused devices: <none>
Does anyone else seem to have this problem?

Last edited by BrianMicek; 23rd April 2012 at 03:07 AM.
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