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On 09/05/2013 12:49 PM, Paul Hartman wrote: |
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> Hi, |
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> |
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> I woke up this morning to see the dreaded email from mdadm telling me |
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> one of my drives failed overnight, while I was happily dreaming about |
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> cute puppies and kittens installing a rainbow-colored roof on my |
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> house. The array is a RAID6 (two parity drives) and this is the |
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> current state: |
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> |
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> md0 : active raid6 sdd1[5] sdg1[4] sde1[3](F) sdh1[2] sdf1[1] sdi1[0] |
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> 11720009728 blocks super 1.2 level 6, 512k chunk, algorithm 2 |
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> [6/5] [UUU_UU] |
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> |
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> I've been using RAID in Linux for years, but this is actually the |
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> first time I've had a disk fail in one. |
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> |
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> If I remember correctly, the process should be as simple as: |
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> |
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> #remove the failed disk from the array: |
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> mdadm /dev/md0 -r /dev/sde1 |
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> |
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> #pull the drive, replace with new one, partition it, then add it to the array: |
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> mdadm /dev/md0 -a /dev/sde1 |
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> |
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> and sit back and eat popcorn while I enjoy the blinkenlights for the |
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> next several hours/days? :) Any advice/suggestions for managing this |
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> process any differently? |
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> |
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|
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This is the process I always follow: |
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|
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http://www.howtoforge.com/replacing_hard_disks_in_a_raid1_array |
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|
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The sfdisk trick will save you a bit of hassle. |
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