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raid6 appears not-degraded just after creation

DISCUSSION Ethan Wilson 2 participants 2 messages Oct 4, 2014 – Oct 5, 2014 MD RAID

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MD Raid6 appears not-degraded during initial resync just after creation:

md106 : active raid6 sdbv1[7] sdbr1[6] sdbq1[5] sdbp1[4] sdbo1[3] sdbn1[2] sdbm1[1] sdbl1[0]

      3144938496 blocks super 1.2 level 6, 512k chunk, algorithm 2 
[8/8] [UUUUUUUU]
      [======>..............]  resync = 34.3% (179834012/524156416) 

finish=54.3min speed=105637K/sec

and also from sys filesystem:

cat /sys/block/md106/md/degraded
0

(kernel 3.14.19)

Is this normal?
EW

#1 lore raw

04.10.2014, 23:14, Ethan Wilson kirjoitti:

Quoted 9 lines

MD Raid6 appears not-degraded during initial resync just after creation:

md106 : active raid6 sdbv1[7] sdbr1[6] sdbq1[5] sdbp1[4] sdbo1[3] sdbn1[2] sdbm1[1] sdbl1[0]

       3144938496 blocks super 1.2 level 6, 512k chunk, algorithm 2 
[8/8] [UUUUUUUU]
       [======>..............]  resync = 34.3% (179834012/524156416) 

finish=54.3min speed=105637K/sec

Quoted 8 lines

and also from sys filesystem:

cat /sys/block/md106/md/degraded
0

(kernel 3.14.19)

Is this normal?

I'd say so.

(Re)syncing does not mean the array is degraded - everything you write to the new array still has full redundancy immediately.

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Anssi Hannula