Expert disk administrator mnager

Hi,
I need a expert for check and repair system files of 2 hard disk.

Hard disk have this
sda:
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 4096 24578047 24573952 11.7G 83 Linux
/dev/sda2 24578048 33177599 8599552 4.1G 82 Linux swap / Solaris
/dev/sda3 33177600 937695231 904517632 431.3G f W95 Ext'd (LBA)
/dev/sda5 33179648 937695231 904515584 431.3G 8e Linux LVM

sdb:

Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 937703087 937701040 447.1G 8e Linux LVM