Multi RAID Out of the box the TS-210 did not support multiple RAID partitions. I wanted to have a 500gb RAID-1 for important stuff and a 3tb RAID-0 for unimportant media.The first step was to partition the drives as follows: /dev/sda1 * 1 66 530141 83 Linux /dev/sda2 67 132 530142 82 Linux swap / Solaris /dev/sda3 133 243138 1951945695 5 Extended /dev/sda4 243139 243200 498012 83 Linux /dev/sda5 133 60921 488287638+ fd Linux raid autodetect /dev/sda6 60922 243138 1463658048+ fd Linux raid autodetect I noticed that the software did not have device nodes for the extra partitions I had created, so I added them: # mknod /dev/sda5 b 8 5 # mknod /dev/sda6 b 8 6 # mknod /dev/sdb5 b 8 21 # mknod /dev/sdb6 b 8 22 I created the new md devices: # mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sda5 /dev/sdb5 # mdadm --create /dev/md1 --level=0 --raid-devices=2 /dev/sda6 /dev/sdb6 # mke2fs -t ext4 -L store -m 1 /dev/md0 # mke2fs -t ext4 -L dump -m 1 /dev/md1 I needed a way for this to get done automatically when the NAS rebooted, so I created autorun.sh on the config partition: [/etc/init.d] # mount /dev/mtdblock5 /tmp/config/ [/tmp/config] # cat autorun.sh mknod /dev/sda5 b 8 5 mknod /dev/sda6 b 8 6 mknod /dev/sdb5 b 8 21 mknod /dev/sdb6 b 8 22 mdadm --assemble /dev/md0 /dev/sda5 /dev/sdb5 mdadm --assemble /dev/md1 /dev/sda6 /dev/sdb6 mkdir /share/MD0_DATA mkdir /share/MD1_DATA mount -t ext4 /dev/md0 /share/MD0_DATA mount -t ext4 /dev/md1 /share/MD1_DATA I had to set some other files as well: /etc/config/raidtab raiddev /dev/md0 raid-level 1 nr-raid-disks 2 nr-spare-disks 0 chunk-size 4 persistent-superblock 1 device /dev/sda5 raid-disk 0 device /dev/sdb5 raid-disk 1 raiddev /dev/md1 raid-level 0 nr-raid-disks 2 nr-spare-disks 0 chunk-size 4 persistent-superblock 1 device /dev/sda6 raid-disk 0 device /dev/sdb6 raid-disk 1 mdadm.conf ARRAY /dev/md0 devices=/dev/sda5,/dev/sdb5 ARRAY /dev/md1 devices=/dev/sda6,/dev/sdb6 /etc/storage.conf [VOLUME 1] device name = /dev/md0 raid level = 1 raid disks = 1,2 spare raid disks = status = 0 record_time = Fri Jun 3 15:50:36 2011 filesystem = 104 [VOLUME 2] device name = /dev/md1 raid level = 0 raid disks = 1,2 spare raid disks = status = 0 record_time = Fri Jun 3 15:50:36 2011 filesystem = 103 [Global] Available Disk = 2 Once done log into the web interface and go to Access -> Share Folders -> Create Default Folders |