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Re: raid/mdadm help



On Mon, 23 Jun 2014 18:22:02 +0200
François Patte <francois.patte@mi.parisdescartes.fr> wrote:

> Le 23/06/2014 17:22, Rodney D. Myers a écrit :
> 
> which should be still similar in Debian 7. If you are new to RAID,
> 
> 
> So what HTH you says is the good way: create one partitions on each of
> your storages devices (say sdX1 and sdY1) then use the given command:
> 
> # mdadm --create /dev/md0 --level=1 --raid-devices=2 \
> 						/dev/sdX1 /dev/sdY1
> 
> Then format the created raid array
> 
> # mkfs.ext4 /dev/md0

Did the above, 1.5 hours ago, was working diligently until a few
moments ago.

now this is what I see;

/sbin/mdadm --detail /dev/md0
/dev/md0:
        Version : 1.2
  Creation Time : Wed Jun 25 16:03:44 2014
     Raid Level : raid1
     Array Size : 976630464 (931.39 GiB 1000.07 GB)
  Used Dev Size : 976630464 (931.39 GiB 1000.07 GB)
   Raid Devices : 3
  Total Devices : 3
    Persistence : Superblock is persistent

  Intent Bitmap : Internal

    Update Time : Wed Jun 25 17:40:37 2014
          State : active, degraded, resyncing 
 Active Devices : 1
Working Devices : 1
 Failed Devices : 2
  Spare Devices : 0

  Resync Status : 6% complete

           Name : riverside:0  (local to host riverside)
           UUID : 22da3cb6:9c3b1aa0:8c8ba2c9:6c3cf76d
         Events : 1145

    Number   Major   Minor   RaidDevice State
       0       8       33        0      active sync   /dev/sdc1
       1       8       49        1      faulty   /dev/sdd1
       2       8       65        2      faulty   /dev/sde1


cat /proc/md0
cat: /proc/md0: No such file or directory
root@riverside:~# cat /proc/mdstat 
Personalities : [raid6] [raid5] [raid4] [raid1] 
md0 : active raid1 sde1[2](F) sdd1[1](F) sdc1[0]
      976630464 blocks super 1.2 [3/1] [U__]
      bitmap: 8/8 pages [32KB], 65536KB chunk

unused devices: <none>


-- 
Rodney D. Myers <rod_dmyers@fastmail.fm>

They that can give up essential liberty to obtain a
little temporary safety deserve neither liberty nor safety.
        Ben Franklin - 1759

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