My instance crashed and does not start anymore. How can I fix it?

You need to check the integrity of your data on the root file system when the following console output is returned:

Checking filesystems

Checking all file systems.

[/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a /dev/vda3

/ contains a file system with errors, check forced.

/: Inode 226708 has illegal block(s).

/: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.

(i.e., without -a or -p options)

To do this: