I think this will be a very simple answer from an experienced nix user but unfortunately I am clueless.
I have a CentOS 6.2 server which is not mounting a EXT4 share at boot, it would appear to be caused by data corruption. As a last resort I wanted to run Testdisk to see if anything could be recovered but as I don't have a GUI to work from I am finding it hard to figure out.
I am not sure if it is i386 or x32_64, I would boot from a liveCD but I don't know if that will recognise the storage controller so seeing as the server boots and I have command line I thought I would try to install and run from there.
Any advice would be greatly appreciated.
EDIT: After further research I think this is how I can install Testdisk: sudo yum install testdisk
I have not tried this yet but will as soon as we decide if it is worth being sent to a data recovery firm or if I will try Testdisk as a last resort.