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what's your raidtab file look like and did you run mkraid after you created the raidtab file?<BR>
-tom<BR>
<BR>
On Sun, 2004-04-25 at 09:28, Doug Sweetser wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE><FONT COLOR="#737373"><I>Hello:
I am trying to setup Raid 1 for my system. I generate what looks
like good info during the creation process, but after rebooting,
the md device is not there. I want to initially just have one hard
disk - to prove it is working - then add another disk for real
mirroring.
Here is the output during the creation process:
> mdadm --detail --scan
ARRAY /dev/md8 level=raid1 num-devices=2 UUID=f5e56fdf:75f6d5ed:ce8eef25:1c2469ab
devices=/dev/hdb8
> cat /proc/mdstat
Personalities : [raid1]
read_ahead 1024 sectors
md8 : active raid1 ide/host0/bus0/target1/lun0/part8[0]
4785344 blocks [2/1] [U_]
unused devices: <none>
/dev/md8:
Version : 00.90.00
Creation Time : Sun Apr 25 08:38:27 2004
Raid Level : raid1
Array Size : 4785344 (4.56 GiB 4.90 GB)
Device Size : 4785344 (4.56 GiB 4.90 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 8
Persistence : Superblock is persistent
Update Time : Sun Apr 25 08:38:28 2004
State : dirty, no-errors
Active Devices : 1
Working Devices : 1
Failed Devices : 1
Spare Devices : 0
Number Major Minor RaidDevice State
0 3 72 0 active sync /dev/hdb8
1 0 0 1 faulty
UUID : f5e56fdf:75f6d5ed:ce8eef25:1c2469ab
Events : 0.1
> cat /etc/mdadm.conf
DEVICE /dev/hdb8
ARRAY /dev/md8 level=raid1 num-devices=2 UUID=f5e56fdf:75f6d5ed:ce8eef25:1c2469ab
devices=/dev/hdb8
> cat /etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
/dev/hda6 none swap sw 0 0
/dev/hda5 /boot ext3 defaults 0 2
/dev/hda7 /tmp ext3 defaults 0 2
/dev/hda8 /home ext3 defaults 0 2
/dev/md8 /mnt fd defaults 0 2
/dev/hda10 / ext3 defaults,errors=remount-ro 0 1
/dev/hda9 /var ext3 defaults 0 2
# Removable media
/dev/hdc /cdrom iso9660 defaults,ro,noauto,user 0 0
/dev/fd0 /floppy auto noauto,user 0 0
After rebooting:
> mdadm --detail --scan
> cat /proc/mdstat
Personalities :
read_ahead not set
unused devices: <none>
doug
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<PRE><TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%">
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<TD>
Tom Lopolito<BR>
Parsec Systems LLC<BR>
508.297.1021<BR>
tom@parsecsystemsllc.com<BR>
<BR>
</TD>
</TR>
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