From: Jordan Russell <jr-list-2010@quo.to>
To: Tim Small <tim@seoss.co.uk>
Cc: Bill Davidsen <davidsen@tmr.com>, linux-raid@vger.kernel.org
Subject: Re: Data-check brings system to a standstill
Date: Fri, 18 Jun 2010 12:27:32 -0500 [thread overview]
Message-ID: <4C1BAC84.4090000@quo.to> (raw)
In-Reply-To: <4C1BA880.1050609@seoss.co.uk>
On 6/18/2010 12:10 PM, Tim Small wrote:
> Have things switched to AHCI (or similar SATA controller) with NCQ
> since? If so, do you drives have buggy firmware which makes them suck
> with sequential reads when NCQ is enabled? See the libata wiki for
> details - you can try disabling NCQ (or limiting queue depth to 2, or
> whatever) to test it....
The disks are on an older Intel 6300ESB controller, which I'm fairly
certain has no support for NCQ.
ata4.00: ATA-7: WDC WD3200YS-01PGB0, 21.00M21, max UDMA/133
ata4.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 0/1)
ata3.00: ATA-7: WDC WD3200YS-01PGB0, 21.00M21, max UDMA/133
ata3.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 0/1)
--
Jordan Russell
next prev parent reply other threads:[~2010-06-18 17:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-09 17:30 Data-check brings system to a standstill Jordan Russell
2010-06-16 16:52 ` Bill Davidsen
2010-06-18 16:54 ` Jordan Russell
2010-06-18 17:10 ` Tim Small
2010-06-18 17:27 ` Jordan Russell [this message]
2010-06-22 4:06 ` Jordan Russell
2010-06-22 18:50 ` Bill Davidsen
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