From: Vladislav Bolkhovitin <vst@vlnb.net>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: Bart Van Assche <bart.vanassche@gmail.com>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
James Bottomley <James.Bottomley@hansenpartnership.com>,
scst-devel <scst-devel@lists.sourceforge.net>,
stgt@vger.kernel.org
Subject: Re: [Scst-devel] [ANNOUNCE]: Comparison of features sets between different SCSI targets (SCST, STGT, IET, LIO)
Date: Tue, 14 Apr 2009 22:10:06 +0400 [thread overview]
Message-ID: <49E4D17E.8020602@vlnb.net> (raw)
In-Reply-To: <49E46E73.8020703@wpkg.org>
Tomasz Chmielewski, on 04/14/2009 03:07 PM wrote:
> Vladislav Bolkhovitin schrieb:
>
>>> Could anyone recheck if it's the same on some other system?
>>>
>>>> Which IO scheduler on the target did you use? I guess, deadline? If
>>>> so, you should try with CFQ as well.
>>> I used CFQ.
>> You didn't apply io_context-XXX.patch, correct? With it you should see a
>> noticeable increase, like in http://scst.sourceforge.net/vl_res.txt.
>
> I didn't apply this one.
>
> I used 2.6.26.x kernel and io_context-XXX.patch was for 2.6.27, 2.6.28
> and 2.6.29 only; 2.6.27 fails to apply to 2.6.26.8 kernel (perhaps in a
> trivial way, I didn't check).
Yes, io_context patch for 2.6.26.x kernels doesn't exist, because it
isn't clear if it has the necessary functionality.
But it's worth for you to upgrade to 2.6.27.x. Have you seen
http://scst.sourceforge.net/vl_res.txt?
Vlad
next prev parent reply other threads:[~2009-04-14 18:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-04 18:56 [ANNOUNCE]: Comparison of features sets between different SCSI targets (SCST, STGT, IET, LIO) Vladislav Bolkhovitin
2009-04-04 19:12 ` [Scst-devel] " Tomasz Chmielewski
2009-04-04 19:21 ` Vladislav Bolkhovitin
2009-04-06 9:44 ` Tomasz Chmielewski
2009-04-05 11:29 ` Bart Van Assche
2009-04-06 10:29 ` Tomasz Chmielewski
2009-04-06 10:40 ` Tomasz Chmielewski
2009-04-06 16:55 ` Vladislav Bolkhovitin
2009-04-06 18:27 ` Tomasz Chmielewski
2009-04-07 20:27 ` Bart Van Assche
2009-04-09 18:45 ` Vladislav Bolkhovitin
2009-04-14 11:07 ` Tomasz Chmielewski
2009-04-14 18:10 ` Vladislav Bolkhovitin [this message]
2009-04-06 19:01 ` Bart Van Assche
2009-04-06 19:05 ` Tomasz Chmielewski
[not found] ` <c9a3e4540904052019o3c89128eq52d9046fef7e2725@mail.gmail.com>
2009-04-06 7:32 ` Vladislav Bolkhovitin
[not found] ` <c9a3e4540904060057w75b5525an9c63486ed00ca9a5@mail.gmail.com>
2009-04-06 12:21 ` Vladislav Bolkhovitin
[not found] ` <c9a3e4540904060319l3c885641k1217fba468f1fcf8@mail.gmail.com>
2009-04-06 17:57 ` Vladislav Bolkhovitin
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