I had my /home on a LVM but after a few disk failures, I figured I
should put /home on a RAID1 so I went through the following steps.
1. install another identical size hard disk /dev/sdb
2. create /dev/md0 raid 1 device using one partition
(/dev/sdb3=/dev/sda3)
3. created LVM on the /dev/md0
4. created ext3 on the LVM.
5. copied over /home from the original LVM (/dev/sda3)
to /dev/md0vg0/home (the LVM device on /dev/md0)
6. fdisk'd /dev/sda to redefine /dev/sda3 as "fd" device
7. added /dev/sda3 to the /dev/md0 (mdadm /dev/md0 --add /dev/sda3)
So far so good. However, I don't see any resync between /dev/sdb3
to /dev/sda3. Instead, I see sda3[1](S) what is the meaning of S
against sda3? A single U and the lack of a progress bar in mdstat
indicates something is not quite right. I have google searched and
read through the man page for mdadm and I am not sure where I went
wrong.
OS: openSUSE 11.1 (x86)
mdadm: mdadm-3.0-10.8
# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sdb3[0] sda3[1](S)
89827328 blocks [1/1] [U]
unused devices: <none>
TIA
--
Arun Khan
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