===== bt03srv ===== **2022-09-09: Decommissioned by Steve Kemp.** Provisioned with a basic Ubuntu 14.04 system. After provisioning RAID was set up like this: # apt-get install mdadm # mdadm -E /dev/sd[a-d] mdadm: No md superblock detected on /dev/sda. mdadm: No md superblock detected on /dev/sdb. mdadm: No md superblock detected on /dev/sdc. mdadm: No md superblock detected on /dev/sdd. # mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd[a-d] mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md0 started. # mkfs.ext4 /dev/md0 mke2fs 1.42.9 (4-Feb-2014) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=128 blocks, Stripe width=256 blocks 244183040 inodes, 1953443584 blocks 97672179 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 59615 block groups 32768 blocks per group, 32768 fragments per group 4096 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848, 512000000, 550731776, 644972544, 1934917632 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done # mdadm --detail --scan --verbose >> /etc/mdadm.conf Copying data from old RAID on bt02srv: # rsync -av --partial --progress --human-readable /mnt/backup 172.26.23.2:/mnt/