Re: Disk performance deteriated to unbearable levels

2011-11-09 Thread Dom
On 09/11/11 12:50, Alberto Luaces wrote: Miles Fidelman writes: Stan Hoeppner wrote: On 11/9/2011 1:34 AM, Bob Proulx wrote: Miles Fidelman wrote: try smartctl -A /dev/sda that will give you a much longer list of statistics collected by the drive the one I always look at first is the absol

Re: Disk performance deteriated to unbearable levels

2011-11-09 Thread Alberto Luaces
Miles Fidelman writes: > Stan Hoeppner wrote: >> On 11/9/2011 1:34 AM, Bob Proulx wrote: >>> Miles Fidelman wrote: try smartctl -A /dev/sda that will give you a much longer list of statistics collected by the drive the one I always look at first is the absolute value

Re: Disk performance deteriated to unbearable levels

2011-11-09 Thread Miles Fidelman
Stan Hoeppner wrote: On 11/9/2011 1:34 AM, Bob Proulx wrote: Miles Fidelman wrote: try smartctl -A /dev/sda that will give you a much longer list of statistics collected by the drive the one I always look at first is the absolute value of "raw read errors" - if that's higher than 0, the drive

Re: Disk performance deteriated to unbearable levels

2011-11-09 Thread Miles Fidelman
Bob Proulx wrote: Miles Fidelman wrote: try smartctl -A /dev/sda that will give you a much longer list of statistics collected by the drive the one I always look at first is the absolute value of "raw read errors" - if that's higher than 0, the drive is starting to fail, and its internal code

Re: Disk performance deteriated to unbearable levels

2011-11-09 Thread Miles Fidelman
Bob Proulx wrote: For your next system I highly recommend setting it up with RAID. It makes problems like these so much easier. [Of course because of the problem with flooding in Thailand and human reaction to it the cost of disk drives is soaring right now. Unfortunate timing to lose a drive.]

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread Stan Hoeppner
On 11/9/2011 1:34 AM, Bob Proulx wrote: > Miles Fidelman wrote: >> try smartctl -A /dev/sda >> >> that will give you a much longer list of statistics collected by the drive >> >> the one I always look at first is the absolute value of "raw read >> errors" - if that's higher than 0, the drive is sta

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread Bob Proulx
Miles Fidelman wrote: > try smartctl -A /dev/sda > > that will give you a much longer list of statistics collected by the drive > > the one I always look at first is the absolute value of "raw read > errors" - if that's higher than 0, the drive is starting to fail, > and its internal code is spen

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread Bob Proulx
David Purton wrote: > But I think DMA is enabled on the disk. From dmesg: > [1.808090] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) I believe all SATA interfaces are go for DMA. > Ha! I just found some disk related errors in syslog: > > Nov 2 12:10:58 swires kernel: [33736.415350]

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread Doug
On 11/09/2011 12:13 AM, David Purton wrote: On Tue, Nov 08, 2011 at 10:12:17PM -0500, Miles Fidelman wrote: David Purton wrote: Since other suggested possible hard drive problems... What does smartctl say about the health of your drive? smartctl -H /dev/sda try smartctl -A /dev/sda that

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread David Purton
On Tue, Nov 08, 2011 at 10:12:17PM -0500, Miles Fidelman wrote: > David Purton wrote: > >>Since other suggested possible hard drive problems... What does > >>smartctl say about the health of your drive? > >> > >> smartctl -H /dev/sda > > try smartctl -A /dev/sda > > that will give you a much l

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread Miles Fidelman
David Purton wrote: Since other suggested possible hard drive problems... What does smartctl say about the health of your drive? smartctl -H /dev/sda try smartctl -A /dev/sda that will give you a much longer list of statistics collected by the drive the one I always look at first is the

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread David Purton
From: David Purton To: debian-user@lists.debian.org Cc: Bcc: Subject: Re: Disk performance deteriated to unbearable levels Reply-To: In-Reply-To: <2008181428.gb13...@hysteria.proulx.com> X-GPG-Fingerprint: 2D6A A66E F9DC E86A 876F 062D 16D7 EA32 EE08 09EC X-GPG-Public-Key

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread Bob Proulx
David Purton wrote: > Everything takes forever to load (including booting), but then runs ok > once loaded. Could DMA be disabled now? Taking a long time to read initially but running okay afterward would match that symptom. Because after the initial read it should be in filesystem buffer cache.

Re: Disk performance deteriated to unbearable levels

2011-11-08 Thread Arnt Karlsen
On Sun, 06 Nov 2011 16:43:54 -0800, David wrote in message <4eb729ca.1090...@holgerdanske.com>: > On 11/06/2011 03:13 PM, David Purton wrote: > > Fairly recently - maybe in the last few months - but it's hard to > > tell, the disk performance has dropped through the floor. > > First, make at lea

Re: Disk performance deteriated to unbearable levels

2011-11-06 Thread David Christensen
On 11/06/2011 03:13 PM, David Purton wrote: Fairly recently - maybe in the last few months - but it's hard to tell, the disk performance has dropped through the floor. First, make at least two complete back up sets and store one off-site. It could be a hardware problem. Your hard drive manu