Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3

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To: Andre Noll <maan@...>

Cc: Tony Battersby <tonyb@...>, Arnd Hannemann <hannemann@...>, Johannes Wörner <johannes.woerner@...>, James Bottomley <James.Bottomley@...>, linux-scsi <linux-scsi@...>, linux-kernel <linux-kernel@...>

Subject: Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3

Date: Wednesday, February 27, 2008 - 4:06 pm

On Wed, Feb 27, 2008 at 9:05 AM, Andre Noll <maan@systemlinux.org> wrote:
quoted text> On 09:26, Tony Battersby wrote:
>  > > Thanks, this helped a lot. However, there does not seem to be a way
>  > > to make the system more responsive, which is really the problem we
>  > > are experiencing.

Andre,

Can you try turning down /sys/block/sdX/device/queue_depth to 16 and
see if that improves your responsiveness?

-Adam
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Messages in current thread:

Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Andre Noll, (Tue Feb 26, 1:43 pm)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Arnd Hannemann, (Tue Feb 26, 7:07 pm)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Andre Noll, (Wed Feb 27, 6:11 am)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Tony Battersby, (Wed Feb 27, 10:26 am)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Andre Noll, (Wed Feb 27, 1:05 pm)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, adam radford, (Wed Feb 27, 4:06 pm)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Andre Noll, (Thu Feb 28, 5:46 am)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Chris Snook, (Tue Feb 26, 2:33 pm)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Andre Noll, (Wed Feb 27, 6:11 am)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Chris Snook, (Wed Feb 27, 3:55 pm)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Andre Noll, (Thu Feb 28, 5:46 am)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Bernd Schubert, (Tue Feb 26, 1:54 pm)

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3, Andre Noll, (Wed Feb 27, 6:10 am)


linux-kernel:
monstr	[PATCH 26/60] microblaze_v4: time support
Jon Smirl	Re: 463 kernel developers missing!
Andrew Morton	Re: x86: 4kstacks default
Greg KH	[GIT PATCH] driver core patches against 2.6.24
git:

linux-netdev:
Gerrit Renker	[PATCH 15/37] dccp: Set per-connection CCIDs via socket options
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
David Miller	Re: [GIT]: Networking
Jiri Olsa	[PATCHv5 0/2] net: fix race in the receive/select
openbsd-misc:

Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3

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