| To: | Alan Piszcz <ap@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: Lots of con-current I/O = resets SATA link? (2.6.25.10) |
| From: | Hannes Dorbath <light@xxxxxxxxxxxxxxxxxxxx> |
| Date: | Sun, 06 Jul 2008 12:44:28 +0200 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <alpine.DEB.1.10.0807060447180.5005@xxxxxxxxxxxxxxxx> |
| References: | <fa.u8J+BqAcxU1mg8ob9pMBJaAHBPo@xxxxxxxxxx> <486FBFAB.5050303@xxxxxxx> <alpine.DEB.1.10.0807051527210.8002@xxxxxxxxxxxxxxxx> <48700228.7060904@xxxxxxx> <alpine.DEB.1.10.0807051923380.23222@xxxxxxxxxxxxxxxx> <alpine.DEB.1.10.0807060447180.5005@xxxxxxxxxxxxxxxx> |
| Sender: | xfs-bounce@xxxxxxxxxxx |
| User-agent: | Thunderbird 2.0.0.14 (Windows/20080421) |
Justin Piszcz wrote: In short, utilizing Raptors (especially veliciraptors)+NCQ on the ICH8 w/AHCI & other cards in a RAID 5 configuration is a death trap (a good way to lose your data), it appears unsafe to use NCQ w/raptors in a RAID 5configuration. I've defaulted back to disabling it like I always do and my RAID5 is rebuilding now. To my knowledge NCQ and Raptors is completely broken. Besides that, I have really bad experiences with the reliability of those drives. -- Best regards, Hannes Dorbath |
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