On Thu, Dec 31, 2009 at 11:39:25AM -0400, robert mena wrote:
Hi,
I lost my mdadm.conf (and /proc/mdadm shows nothing useful) and I'd like to mount the filesystem again. So I've booted using rescue but I was wondering if I can do a command like this safely (i.e without losing the data previously stored).
mdadm -C /dev/md0 --level=raid0 --raid-devices=2 /dev/sda1 /dev/sdb1
Where of course the raid devices and the /dev/x are the correct ones
I've collected an howto somewhere from the 'net:
$ cat docs/sysadm/mdadm_recovery.txt
## define possible devices with arrays echo 'DEVICE /dev/hd[a-l]* /dev/sd[a-l]*' > mdadm.conf
## scan mdadm --examine --scan --config=mdadm.conf >> mdadm.conf
## review configuration, copy to /etc cp mdadm.conf /etc/
## create devices MAKEDEV md || { for ((i=0; i <= 31; i++)); do mknod /dev/md$i b 9 $i; done; }
## start arrays mdadm --assemble --scan
Best of luck,