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Old 09-03-2009, 07:52 PM   #1
sealer2050
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trying to get knoppix to see my ich5r sata raid


trying to get knoppix to see my ich5r sata raid. it's a ntfs format raid 0 with 2 250 GB drives
OK I'm new to Linux.
I'm using knoppix 6.0.1 installed on a flash drive.
the old version 5.1.0 live cd would auto see my raid and i could mount them and use them but with 6 it sees them as two separate disk. (there in a raid zero) i can tell this b/c there's an option to install knoppix on a hard disk and the installer sees them as two separate disks and i just don't what to do to make knoppix see it as a raid.





Here DISK is something like /dev/hdb or /dev/sda
and PARTITION is something like /dev/hda7
-u: give Start and End in sector (instead of cylinder) units
-b 2048: (for certain MO disks) use 2048-byte sectors
root@Microknoppix:/home/knoppix# fdisk -l

Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5
Warning: invalid flag 0x4fef of partition table 5 will be corrected by w(rite)

Disk /dev/sdb: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x1ea96f24

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 522 4192933+ 7 HPFS/NTFS
/dev/sdb2 523 10140 77256585 7 HPFS/NTFS
/dev/sdb3 10141 60802 406942515 f W95 Ext'd (LBA)
/dev/sdb5 ? 91952 242614 1210192624 45 Unknown

Disk /dev/sdc: 2006 MB, 2006450176 bytes
255 heads, 63 sectors/track, 243 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0090f001

Device Boot Start End Blocks Id System
/dev/sdc1 * 1 244 1959392+ e W95 FAT16 (LBA)
Partition 1 has different physical/logical endings:
phys=(242, 254, 63) logical=(243, 238, 59)
 
Old 09-03-2009, 09:24 PM   #2
CoderMan
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Hi. I don't know anything about Knoppix, but if the raid device has already been setup, and is separate from the actually system (you don't need it to boot up) then there should only be two main aspects to this. One is getting mdadm and your mdadm.conf file set up, and the other is setting up fstab to automatically mount the raid device.

It would be ideally to find documentation written for your own distro, but a quick google search pulled this link up:

http://www.linuxhomenetworking.com/w..._Software_RAID

Look through the section "Create the mdadm.conf Configuration File" and the sections following to get a rough idea. Also, if you can take a look at the mdadm man page and learn how to do this manually, it will give you a better understanding of what is going on.

[edit: Oh, err... is that a hardware raid configuration? I assumed software raid when I skimmed through. My info probably isn't relevant. Apologies for wasting your zero-reply status.]

Last edited by CoderMan; 09-03-2009 at 09:31 PM.
 
  


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