Re[2]: Issue removing failed drive and re adding on raid 6

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6.00: ATA-8: ST3000DM001-9YN166, CC4H, max UDMA/133
 ata6.00: 5860533168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
 ata7.00: ATA-9: ST3000DM001-1CH166, CC27, max UDMA/133
 ata7.00: 5860533168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
 ata8.00: ATA-9: ST3000DM001-1CH166, CC27, max UDMA/133
 ata8.00: 5860533168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
 ata5.00: ATA-9: ST3000DM001-1CH166, CC27, max UDMA/133
 ata5.00: 5860533168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
 ata6.00: configured for UDMA/133
 ata4.00: ATA-9: ST3000DM001-1CH166, CC27, max UDMA/133
 ata4.00: 5860533168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA

OWWWWW OWWWWWW OWWWWW

Are these 3TB Seagate Barracudas? (Same as mine). You DO NOT want to be
running raid 5 or 6 on these things !!!! They're desktop drives not
meant for raid.

They do not support ERC. *One* *soft* failure on these and you run a
good chance of trashing your array !!!!

Make sure you've got your raid timeout increased - there's plenty of
threads about how to do it - otherwise one disk hiccup for any reason is
likely to cause a cascade of failures !!!!

You need to upgrade them to Western Digital Reds or similar asap.

Cheers,
Wol


Hi Wol,

Yes, these are the 3GB Seagates. They have been running 24/7 for about 3 years now. I lose a drive occasionally, replace and rebuild. I will consider the REDs for the next time I do an upgrade - I imagin I would have to replace all 7 drives at once. How about the Seagate NAS HDDs?

I will look at the the raid timeout. Thank-you for the tip.

- Justin

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