08-08-2011
Well, that was standard intel RAID controler (onboard) I used to set up RAIDs on two 7200.12s.
I got Ubuntu live CD and may have any other distro - knoppix is no problem.
Under ubuntu I see whole hdd without any partition (under gparted, whole space is visible as 'unallocated'), do not know how to look into partition tables.
"Um, how do you set up two different raid volumes on two disks?"
After entering Intel Raid Option ROM I have 4 possibilities:
1. Create RAID Volume
2. Delete RAID Volume
3. Set disk to non-raid
4. Exit
After selecting 1. Create RAID Volume I can choose which RAID (1 or 0), how much space, and which HDDs.
If I make RAID0 sized 100GB I can select '1. Create RAID Volume' again and create another RAID Volume as long as space is available.
That way I created 2 Volumes (RAID0: 100GB, and RAID1 ~ 415GB).
On RAID0 I had about 4 partitions (linux home, linux root, boot, windows 7) and on RAID1 I had only 1 partition (ntfs).
Now I used 'testdisk' to find my lost partitions - without success. It found only 2 linux partitions without any files.
I do not want to recover any files from RAID0 - it is not possible.
But recovering from RAID1 should be easy...
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LEARN ABOUT MINIX
repartit
REPARTITION(8) System Manager's Manual REPARTITION(8)
NAME
repartition - load a partition table
SYNOPSIS
repartition device [partition-file]
DESCRIPTION
Repartition uploads a new partition table for the partitions of device. The table is obtained from the first sector of partition-file if
given, device otherwise. Device may refer to the whole drive or a primary partition, depending on whether you want to upload a partition
or a subpartition table. The partitions will be truncated to fit within the enclosing device like the disk driver does, unless the numbers
are coming from partition-file.
EXAMPLES
repartition /dev/hd0
repartition /dev/hd4 /etc/hd4.table
Reload the partition table of drive 0 setting /dev/hd[1-4], and the subpartition table of /dev/hd4 setting /dev/hd4[a-d] using a file. The
latter may be useful if you need more than the 4 subpartitions a single Minix partition gives you.
DIAGNOSTICS
The new table is printed on standard output.
FILES
/dev/hd[0-9]
SEE ALSO
hd(4), part(8).
BUGS
The disk must be in use for the changes to stick. The partition table of an idle disk will be reloaded on the first open.
AUTHOR
Kees J. Bot (kjb@cs.vu.nl)
REPARTITION(8)