[ale] RAID Fun
Drag0n
dragon at atlantacon.org
Sat Aug 16 22:19:44 EDT 2003
Not too bad,
But having swap as mdraid is unneeded, if you ser the pri=1 for 2 swap
partitions in fstab options, swapon uses them in parallel with no raid
overhead. In fact, most raid how-to's recomend this over raid.
Drag0n
dragon at atlantacon.org
On Sat, 2003-08-16 at 19:09, Robert L. Harris wrote:
> {0}:/home/nomad>mount
> /dev/md/0 on / type ext3 (rw)
> /dev/md/1 on /home type ext3 (rw)
> /dev/md/2 on /mnt/data1 type ext3 (rw)
> proc on /proc type proc (rw)
> devpts on /dev/pts type devpts (rw,gid=5,mode=620)
>
> md0 and 1 are mirrors, md2 is raid5 and the box even has it's swapfile
> on a mirror (md3)...
>
>
> {0}:/home/nomad>cat /proc/mdstat
> Personalities : [raid1] [raid5]
> read_ahead 1024 sectors
> md3 : active raid1 ide/host0/bus0/target0/lun0/part2[2]
> ide/host0/bus0/target1/lun0/part2[0]
> 3911744 blocks [2/1] [UU]
>
> md0 : active raid1 ide/host0/bus0/target0/lun0/part1[2]
> ide/host0/bus0/target1/lun0/part1[0]
> 1875292 blocks [2/1] [UU]
>
> md1 : active raid1 ide/host0/bus0/target0/lun0/part3[2]
> ide/host0/bus0/target1/lun0/part3[0]
> 29156996 blocks [2/1] [UU]
>
> md2 : active raid5 scsi/host0/bus0/target3/lun0/part1[3]
> scsi/host0/bus0/target2/lun0/part1[2]
> scsi/host0/bus0/target1/lun0/part1[1]
> scsi/host0/bus0/target0/lun0/part1[0]
> 215043072 blocks level 5, 1024k chunk, algorithm 2 [4/4] [UUUU]
> [===>.................] resync = 16.4% (11764684/71681024)
> finish=109.8min speed=9086K/sec
> unused devices: <none>
>
>
>
> :wq!
> ---------------------------------------------------------------------------
> Robert L. Harris | GPG Key ID: E344DA3B
> @ x-hkp://pgp.mit.edu
> DISCLAIMER:
> These are MY OPINIONS ALONE. I speak for no-one else.
>
> Life is not a destination, it's a journey.
> Microsoft produces 15 car pileups on the highway.
> Don't stop traffic to stand and gawk at the tragedy.
--
Drag0n <dragon at atlantacon.org>
@LANta.con
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