From: Mark Lord <lkml@rtr.ca>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Paul Jakma <paul@clubi.ie>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: libata: dma, io error messages
Date: Fri, 06 Aug 2004 09:49:27 -0400 [thread overview]
Message-ID: <41138C67.7040306@rtr.ca> (raw)
In-Reply-To: <1091795565.16307.14.camel@localhost.localdomain>
>>Also, the drive is extremely slow now, about 1MB/s drive transfer
>>rate as reported by hdparm -T.
>
> Sounds like it dropped to PIO - that may be a bug triggered by the drive
> failing.
That should read "hdparm -t", not "-T", right?
And the slowness is most likely due to the error recovery
(retries) in the drive and/or driver, which cause the
overall throughput to plummet for the measurement interval.
Cheers
--
Mark Lord
(hdparm keeper & the original "Linux IDE Guy")
next prev parent reply other threads:[~2004-08-06 13:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-06 10:29 libata: dma, io error messages Paul Jakma
2004-08-06 12:32 ` Alan Cox
2004-08-06 13:40 ` Paul Jakma
2004-08-06 13:49 ` Mark Lord [this message]
2004-08-06 14:04 ` Paul Jakma
2004-08-06 14:59 ` Mark Lord
2004-08-06 15:15 ` Paul Jakma
2004-08-06 15:41 ` Jeff Garzik
2004-08-06 15:40 ` Jeff Garzik
2004-08-06 16:47 ` Paul Jakma
2004-08-06 17:24 ` Paul Jakma
2004-08-09 4:48 ` Eric D. Mudama
2004-08-09 4:56 ` Joel Jaeggli
2004-08-17 0:48 ` Paul Jakma
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