Pro/Forums - View Single Post - Trying to replace failed drive in SNAP 4500

blue68f100 · 03-13-2011, 08:44 PM

Any time you break a RAID 4disk array by 2 drives (4 to 3) all is lost. None of the parity data is valid for the drives next to it. The GOS marks them as bad. If only one HD you can have the unit resync the array. Need to read up on how raid arrays behave to fully understand what is going on.

03-13-2011, 08:44 PM	#10
blue68f100 Thermophile Join Date: Jul 2005 Location: Plano, TX Posts: 3,135	Re: Trying to replace failed drive in SNAP 4500 Any time you break a RAID 4disk array by 2 drives (4 to 3) all is lost. None of the parity data is valid for the drives next to it. The GOS marks them as bad. If only one HD you can have the unit resync the array. Need to read up on how raid arrays behave to fully understand what is going on. __________________ 1 Snap 4500 - 1.0T (4 x 250gig WD2500SB RE), Raid5, 1 Snap 4500 - 1.6T (4 x 400gig Seagates), Raid5, 1 Snap 4200 - 4.0T (4 x 2gig Seagates), Raid5, Using SATA converts from Andy Link to SnapOS FAQ's http://forums.procooling.com/vbb/showthread.php?t=13820