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blue68f100 · 06-17-2006, 02:17 PM

Sorry to here it failed before the drive could be replaced. We had another user had 2 drives fail with in 24 hrs of each other. Had to ask. Some time drives do not spinup after shut down after running for long periods of time. You may try tapping on the drive while tring a startup.

The recovery services have several techniques thay use. One is to make sure it was not a controller board on the drives. Then they have special software to read the drives. Then there are some cases where they remove the platters then do a read, via idientical drive or slow speed specility hardware. Recovery for RAID are extermely expensive. But the cost is based on how quick you need the data.

The new version 6.0 of GRC SpinWrite indicates it can now repair some raid sets and drives. It does mention the XFS & unix file systems. I would only try this IF I COULD MAKE A CLOAN OF THE DRIVE. If able to do that, it means just coruption is present or damage table. AND SpinWrite may do the trick.

The 48bit thing. Alot of the users have gone with high capacity drives, mainly because the are cheaper. Fry's Electronics has 250gig seagates (5 yr) on sale for $79.99 USD right now.

06-17-2006, 02:17 PM	#6
blue68f100 Thermophile Join Date: Jul 2005 Location: Plano, TX Posts: 3,135	Re: Recover broken 4100 raid (4 drives). Sorry to here it failed before the drive could be replaced. We had another user had 2 drives fail with in 24 hrs of each other. Had to ask. Some time drives do not spinup after shut down after running for long periods of time. You may try tapping on the drive while tring a startup. The recovery services have several techniques thay use. One is to make sure it was not a controller board on the drives. Then they have special software to read the drives. Then there are some cases where they remove the platters then do a read, via idientical drive or slow speed specility hardware. Recovery for RAID are extermely expensive. But the cost is based on how quick you need the data. The new version 6.0 of GRC SpinWrite indicates it can now repair some raid sets and drives. It does mention the XFS & unix file systems. I would only try this IF I COULD MAKE A CLOAN OF THE DRIVE. If able to do that, it means just coruption is present or damage table. AND SpinWrite may do the trick. The 48bit thing. Alot of the users have gone with high capacity drives, mainly because the are cheaper. Fry's Electronics has 250gig seagates (5 yr) on sale for $79.99 USD right now. __________________ 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 Last edited by blue68f100; 06-17-2006 at 02:40 PM.