Can't find ext4 filesystem

Summary

There device is not able to mount one of the partitions under Configuration-->System-->Setup-->Storage tab

Overview

This is specific for the partitions that are under Configuration-->System-->Setup-->Storage tab
CIFS
Edge Cache
Monitor
Virt
WAN Memory
users

So one of the above is not mounting due to a failed filesytem check.

Cause

The error that you will see in the logs is:
EXT4-fs (dm-5): VFS: Can't find ext4 filesystem

This is probably due to a broken ext4 superblock

Resolution

Open an Exinda support case for assistance with this problem.

Internal Notes

This requires a shell license:
Example: CIFS partition is the one giving an error

1. Go to the shell
2. Check if the partition is mounted:
command: mount

3. command: mount -t ext4 /dev/vg-storage/lv-cifs /var/data/cifs

4. If it's unable to mount, use the command below to check device.
command: lsblk


5. To make the file system:

command: mkfs.ext4 /dev/vg-storage/lv-cifs

6. Mount the partition

command: mount -t ext4 /dev/vg-storage/lv-cifs /var/data/cifs

Wait for 5 minutes and then check on the storage.