aaron

Linux Software RAID and LVM

I wanted to create a RAID 5 array with four 1tb drives. I only have three, but I have a 750gb and 320gb drive lying around. I figured there was probably a way to combine them into a 1tb drive that I could use with the others. Using Linux’s LVM, I can create a logical partition from the two smaller drives as big as the 1tb drive. $ pvdisplay Lists all physical volumes managed by LVM. First we have...

aaron

Another raid5 scare, and how to recover an apparently trashed array

This morning after waking up to lots of thunder and lightning, I got a text message saying my raid5 array had failed. Only this time, 2 of the 3 drives were missing. Since both of those drives were actually mounted via a vblade share (on a different physical machine), I assumed that the other server had freaked out during a power surge. I quickly rebooted the machine to bring back the vblade shares, but...