Test 1: Disk Fail To fail a disk: mdadm –manage –set-faulty /dev/md0 /dev/sdc1 check status: sudo mdadm –detail /dev/md0 RAID array continues to work, you are able to read and write as nothing happened. Replace Faulty Disk remove disk from array: sudo mdadm –manage /dev/md0 –remove /dev/sdc1 add disk from array: sudo mdadm –manage /dev/md0 [...]
RAID 5 USB Ubuntu: Reboot And Share
Reboot Reboot and pray… heheh… all should go fine. Wow!! My wonderful TeraRAID5 disk!!! Network Share Now I want to share this big disk to my network, so try to add a share, Ubuntu ask to add sharing services: Install service and reboot. Add Network Share for all: Yeah! Next Step: Crash Test or back [...]
RAID 5 USB Ubuntu: Mount RAID5 partition
Mount RAID partition After very long time, it takes many minutes to format and many hours to finish sync, however once it’s formatted you can mount partition in order to use it (mulino is my user): sudo mkdir /media/raid sudo chown -R mulino /media/raid/ sudo mount /dev/md0 /media/raid To automount each time system reboots, edit [...]
RAID 5 USB Ubuntu: Format RAID5 partition
Format RAID5 partition Now, we don’t need to wait until sync is completed, so start to format RAID partition: sudo mke2fs -j /dev/md0 Every time we can check RAID status: sudo mdadm –detail /dev/md0 Next Step: Mount RAID partition or back to Menu Post
RAID 5 USB Ubuntu: Create RAID5 partition
Create RAID5 partition Now go to terminal, Applications/Accessories/Terminal and create RAID5 partition over 3 partition: mdadm –create –verbose /dev/md0 –level=5 –raid-devices=3 /dev/sdb1 /dev/sdc1 /dev/sdd1 as response: Next we can check sync going on: sudo watch cat /proc/mdstat as response updated every 2 seconds, CTRL-C to exit To save this configuration, you have to add a [...]