Ia. Software Raid configuration (Part 1a/12)

[vandykmarsu]

Following the installation procedure, but with software raid support.



I. SOFTWARE RAID CONFIGURATION.


Choose expert mode installation:




Once in the partition disks menu, select “Manual”:




Go to the free space of the “sda” disk:




Create a new partition:




Choose the maximum partition size:




Then select the type of partition, logical in our case:




Change partition characteristics for raid volume:






Validate the end of the configuration:




Do the same operations above for the “sdb” disk.

Once the two raid volumes have been created, let's go to the software raid configuration:




Apply changes to disks:




Then create a multi-disk device:




Select “Raid1”:




Check the number of active devices, 2 in our case:




Leave the spare device count at 0:




Overview of active devices and selection thereof: (space to select)






Finish configuring volumes:




Finish partitioning and apply changes:




Appears a new Raid1 device:




Select free space to apply partition characteristics:




Apply the filesystem type, journaled ext4 in our example:




Select the partition mount point, root “/” in our case:






Finish setting the raid partition:




Finish partitioning and apply changes:






After applying the changes on the disks the installation of Zentyal continues
with software raid1 support.

Once the installation is complete, to verify the volumes, enter the command below
in a terminal:




We see a raid1 volume md0 belonging to disk sda partition sda5, same for
sdb5.



II. RAID MAINTENANCE



To display the status of a raid1 volume enter the following command:

Code: [Select]

sudo mdadm -D /dev/md0

Output of the above command:



To remove a bad volume:  (* select the bad disk number)

Code: [Select]

sudo mdadm --remove /dev/md0 /dev/sda*

To add a new volume:

Code: [Select]

sudo mdadm --add /dev/md0 /dev/sda*


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