RAID question.
Hello, i have 1 question about my RAID configuration, i have 2 X 400 GB configured in RAID1, when i use df -h
Filesystem Size Used Avail Use% Mounted on /dev/md1 365G 16G 331G 5% / /usr/tmpDSK 485M 39M 421M 9% /tmp i get that only 1 hdd is started, when i use cat /proc/mdstat Personalities : [raid1] [raid0] md0 : active raid1 sdb1[1] sda1[0] 2104448 blocks [2/2] [UU] md1 : active raid1 sdb2[1] sda2[0] 388604224 blocks [2/2] [UU] these are the disks in raid, and when i use sfdisk -l Disk /dev/sda: 48641 cylinders, 255 heads, 63 sectors/track Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End #cyls #blocks Id System /dev/sda1 0+ 261 262- 2104514+ fd Linux raid autodetect /dev/sda2 262 48640 48379 388604317+ fd Linux raid autodetect /dev/sda3 0 - 0 0 0 Empty /dev/sda4 0 - 0 0 0 Empty Disk /dev/sdb: 48641 cylinders, 255 heads, 63 sectors/track Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End #cyls #blocks Id System /dev/sdb1 0+ 261 262- 2104514+ fd Linux raid autodetect /dev/sdb2 262 48640 48379 388604317+ fd Linux raid autodetect /dev/sdb3 0 - 0 0 0 Empty /dev/sdb4 0 - 0 0 0 Empty Disk /dev/md1: 97151056 cylinders, 2 heads, 4 sectors/track sfdisk: ERROR: sector 0 does not have an msdos signature /dev/md1: unrecognized partition table type No partitions found Disk /dev/md0: 526112 cylinders, 2 heads, 4 sectors/track sfdisk: ERROR: sector 0 does not have an msdos signature /dev/md0: unrecognized partition table type No partitions found i get the HDD`s, can someone help me to understand how to add the second hdd to raid (i think from what i seen its already added) or i just need to mount it... if anyone can help please do, thank you, regards. |
A properly configured RAID looks like a single disk device to the operating system. Only from the software you used to create the RAID will you see the individual disks. So I think you are okay as you are :)
I didn't see an actual problem in your data, but I might have overlooked something. |
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