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Josh-D. S. Davis

Xaminmo / Omnimax / Max Omni / Mad Scientist / Midnight Shadow / Radiation Master

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Unhappy thing to find out after I left for work...
Josh 201604 KWP
md1 : active raid6 sda2[5](F) sdd2[4] sdb2[6](F) sdc2[2] sde2[7](F)
      105810432 blocks level 6, 512k chunk, algorithm 2 [5/2] [__U_U]
      bitmap: 1/1 pages [4KB], 65536KB chunk

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Is it bad that the first thing I did was go cat my own mdstat; just in case?

md0 : active raid5 sdd1[3] sdb1[1] sde1[5] sda1[0] sdc1[2]
7814049536 blocks super 1.2 level 5, 64k chunk, algorithm 2 [5/5] [UUUUU]

Perfectly normal reaction.

The big problem was that, because my rootvg is on md1, mdadm couldn't alert me to the problem.

I probably need to migrate to a 5-way mirror for /, but for now, I put statically linked recovery tools in my /boot along with reminders on how I have it all set up.

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