I had a mail this morning :
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This is an automatically generated mail message from mdadmrunning on ZettaA DegradedArray event had been detected on md device /dev/md/zetta:0.Faithfully yours, etc.P.S. The /proc/mdstat file currently contains the following:Personalities : [raid6] [raid5] [raid4]md0 : active raid6 sdf[0] sdb[4] sde[3] sda[2] sdc[1] 5860548608 blocks super 1.2 level 6, 512k chunk, algorithm 2 [6/5] [UUUUU_]unused devices: <none>
Here is the details of RAID
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Version : 1.2
Creation Time : Sat Aug 31 01:10:06 2013
Raid Level : raid6
Array Size : 5860548608 (5589.05 GiB 6001.20 GB)
Used Dev Size : 1465137152 (1397.26 GiB 1500.30 GB)
Raid Devices : 6
Total Devices : 5
Persistence : Superblock is persistent
Update Time : Fri Feb 27 11:30:46 2015
State : clean, degraded
Active Devices : 5
Working Devices : 5
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 512K
Name : zetta:0
UUID : 96b0e7b7:83aa203f:1545031b:43caaa85
Events : 27546
Number Major Minor RaidDevice State
0 8 80 0 active sync /dev/sdf
1 8 32 1 active sync /dev/sdc
2 8 0 2 active sync /dev/sda
3 8 64 3 active sync /dev/sde
4 8 16 4 active sync /dev/sdb
5 0 0 5 removed
Alles anzeigen
Seems that sdbg is missing (added it one month ago via a pci-raid card)
Here the smart of sdbg (smart is showing some errors) :
Thanks