Re: Integration of SCST in the mainstream Linux kernel

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To: Bart Van Assche <bart.vanassche@...>

Cc: FUJITA Tomonori <fujita.tomonori@...>, <rdreier@...>, <James.Bottomley@...>, <torvalds@...>, <akpm@...>, <vst@...>, <linux-scsi@...>, <scst-devel@...>, <linux-kernel@...>

Subject: Re: Integration of SCST in the mainstream Linux kernel

Date: Tuesday, February 5, 2008 - 1:01 pm

Bart Van Assche wrote:
quoted text> On Jan 30, 2008 12:32 AM, FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> wrote:
>   
>> iSER has parameters to limit the maximum size of RDMA (it needs to
>> repeat RDMA with a poor configuration)?
>>     
>
> Please specify which parameters you are referring to. As you know I
> had already repeated my tests with ridiculously high values for the
> following iSER parameters: FirstBurstLength, MaxBurstLength and
> MaxRecvDataSegmentLength (16 MB, which is more than the 1 MB block
> size specified to dd).
>
>   
Using such large values for FirstBurstLength will give you poor
performance numbers for WRITE commands (with iSER). FirstBurstLength
means how much data should you send as unsolicited data (i.e. without
RDMA). It means that your WRITE commands were sent without RDMA.

Erez
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Messages in current thread:

Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Jan 23, 10:22 am)

Re: Integration of SCST in the mainstream Linux kernel, Erez Zilber, (Tue Feb 5, 1:10 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Tue Feb 5, 3:02 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Tue Feb 5, 3:02 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Tue Jan 29, 4:42 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Wed Jan 30, 7:17 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Mon Feb 4, 8:27 am)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Mon Feb 4, 11:30 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Mon Feb 4, 12:25 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Mon Feb 4, 1:06 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Mon Feb 4, 1:16 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Mon Feb 4, 1:25 pm)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Mon Feb 4, 2:29 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Mon Feb 4, 3:06 pm)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Mon Feb 4, 3:44 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Tue Feb 5, 3:00 pm)

Re: Integration of SCST in the mainstream Linux kernel, Alan Cox, (Mon Feb 4, 6:43 pm)

Re: Integration of SCST in the mainstream Linux kernel, Matt Mackall, (Mon Feb 4, 8:07 pm)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Mon Feb 4, 8:24 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Matteo Tescione, (Tue Feb 5, 12:43 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., FUJITA Tomonori, (Tue Feb 5, 9:38 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., James Bottomley, (Tue Feb 5, 1:07 am)

Re: Integration of SCST in the mainstream Linux kernel, Matt Mackall, (Mon Feb 4, 8:45 pm)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Mon Feb 4, 8:42 pm)

Re: Integration of SCST in the mainstream Linux kernel, Douglas Gilbert, (Mon Feb 4, 1:30 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Chris Weiss, (Mon Feb 4, 10:07 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., FUJITA Tomonori, (Tue Feb 5, 10:19 am)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Mon Feb 4, 7:04 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Tue Feb 5, 3:01 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Tue Feb 5, 8:48 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Tue Feb 5, 8:51 pm)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Tue Feb 5, 3:12 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Tue Feb 5, 8:17 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Tue Feb 5, 3:21 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Tue Feb 5, 8:11 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Bart Van Assche, (Tue Feb 12, 12:05 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Nicholas A. Bellinger, (Tue Feb 12, 11:44 pm)

CONFIG_SLUB and reproducable general protection faults on 2...., Nicholas A. Bellinger, (Wed Feb 13, 2:18 am)

Re: CONFIG_SLUB and reproducable general protection faults o..., Nicholas A. Bellinger, (Wed Feb 13, 12:37 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Tue Feb 5, 9:43 pm)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Mon Feb 4, 7:27 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Mon Feb 4, 7:00 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Mon Feb 4, 7:12 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Tue Feb 5, 2:37 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Mon Feb 4, 7:16 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Mon Feb 4, 6:59 pm)

Re: Integration of SCST in the mainstream Linux kernel, J. Bruce Fields, (Mon Feb 4, 5:01 pm)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Mon Feb 4, 5:24 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Tue Feb 5, 3:01 pm)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Mon Feb 4, 6:57 pm)

Re: Integration of SCST in the mainstream Linux kernel, Olivier Galibert, (Tue Feb 5, 9:05 am)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Tue Feb 5, 2:08 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Tue Feb 5, 4:38 am)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Tue Feb 5, 1:50 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Feb 6, 6:22 am)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Wed Feb 6, 10:21 am)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Mon Feb 4, 7:45 pm)

Re: Integration of SCST in the mainstream Linux kernel, Jeff Garzik, (Mon Feb 4, 8:08 pm)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Mon Feb 4, 9:20 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Mon Feb 4, 6:00 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Mon Feb 4, 4:24 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., , (Mon Feb 4, 4:06 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Mon Feb 4, 3:19 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Mon Feb 4, 2:49 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Mon Feb 4, 1:56 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Mon Feb 4, 2:22 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Mon Feb 4, 2:38 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Mon Feb 4, 2:54 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Tue Feb 5, 2:59 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Tue Feb 5, 3:13 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Bart Van Assche, (Thu Feb 7, 9:13 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Nicholas A. Bellinger, (Thu Feb 7, 11:38 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Luben Tuikov, (Thu Feb 7, 4:37 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Nicholas A. Bellinger, (Fri Feb 8, 7:53 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Fri Feb 8, 10:42 am)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Fri Feb 8, 8:00 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Fri Feb 8, 6:32 am)

Re: Integration of SCST in the mainstream Linux kernel, Luben Tuikov, (Sat Feb 9, 3:32 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Mon Feb 11, 6:02 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Thu Feb 7, 9:45 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Fri Feb 15, 11:02 am)

Re: Integration of SCST in the mainstream Linux kernel, , (Thu Feb 7, 6:51 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Fri Feb 8, 7:33 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Fri Feb 8, 10:36 am)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Fri Feb 8, 7:53 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Fri Feb 8, 6:37 am)

Re: Integration of SCST in the mainstream Linux kernel, , (Sat Feb 9, 3:40 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Wed Feb 6, 2:07 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Mon Feb 4, 9:53 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Tue Feb 5, 12:25 pm)

Re: Integration of SCST in the mainstream Linux kernel, Linus Torvalds, (Tue Feb 5, 2:18 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Mon Feb 4, 1:08 pm)

Re: Integration of SCST in the mainstream Linux kernel, David Dillow, (Mon Feb 4, 1:00 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Jan 30, 4:29 am)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Wed Jan 30, 12:22 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Tomasz Chmielewski, (Tue Feb 5, 3:14 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., FUJITA Tomonori, (Tue Feb 5, 9:38 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Matteo Tescione, (Tue Feb 5, 1:09 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., FUJITA Tomonori, (Tue Feb 5, 9:29 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Nicholas A. Bellinger, (Tue Feb 5, 10:01 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Tomasz Chmielewski, (Tue Feb 5, 12:07 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., FUJITA Tomonori, (Tue Feb 5, 12:43 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Ming Zhang, (Tue Feb 5, 12:21 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Jan 30, 1:03 pm)

Re: Integration of SCST in the mainstream Linux kernel, Roland Dreier, (Tue Jan 29, 5:31 pm)

Re: Integration of SCST in the mainstream Linux kernel, FUJITA Tomonori, (Tue Jan 29, 7:32 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Wed Jan 30, 7:18 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Jan 30, 4:38 am)

Re: Integration of SCST in the mainstream Linux kernel, Erez Zilber, (Tue Feb 5, 1:01 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Feb 6, 8:16 am)

Re: Integration of SCST in the mainstream Linux kernel, Erez Zilber, (Mon Feb 18, 5:43 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Mon Feb 18, 7:01 am)

Re: Integration of SCST in the mainstream Linux kernel, Erez Zilber, (Wed Feb 20, 3:34 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Feb 20, 4:41 am)

Re: Integration of SCST in the mainstream Linux kernel, Roland Dreier, (Wed Feb 6, 1:06 pm)

Re: Integration of SCST in the mainstream Linux kernel, Benny Halevy, (Wed Feb 6, 12:45 pm)

Re: Integration of SCST in the mainstream Linux kernel, James Bottomley, (Wed Jan 30, 12:34 pm)

Re: Integration of SCST in the mainstream Linux kernel, Pete Wyckoff, (Sat Feb 2, 11:32 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Jan 30, 12:50 pm)

Re: Integration of SCST in the mainstream Linux kernel, FUJITA Tomonori, (Wed Jan 30, 6:56 am)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Thu Jan 31, 9:25 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Fri Feb 1, 4:11 am)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Fri Feb 1, 6:39 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Fri Feb 1, 7:04 am)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Fri Feb 1, 8:05 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Fri Feb 1, 9:25 am)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Fri Feb 1, 10:36 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Thu Jan 31, 10:34 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Thu Jan 31, 11:50 am)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Thu Jan 31, 1:14 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Thu Jan 31, 1:40 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Thu Jan 31, 2:15 pm)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Fri Feb 1, 5:08 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Joe Landman, (Thu Jan 31, 12:25 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Bart Van Assche, (Thu Jan 31, 1:08 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Vladislav Bolkhovitin, (Fri Feb 1, 7:50 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Vladislav Bolkhovitin, (Fri Feb 1, 8:25 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., David Dillow, (Thu Jan 31, 2:12 pm)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Vladislav Bolkhovitin, (Fri Feb 1, 7:50 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Joe Landman, (Thu Jan 31, 1:13 pm)

Re: Integration of SCST in the mainstream Linux kernel, Nicholas A. Bellinger, (Thu Jan 31, 10:44 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Wed Jan 30, 9:10 am)

Re: Integration of SCST in the mainstream Linux kernel, FUJITA Tomonori, (Wed Jan 30, 9:54 am)

Re: Integration of SCST in the mainstream Linux kernel, Bart Van Assche, (Thu Jan 31, 3:48 am)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Wed Jan 30, 7:40 am)

Re: [Scst-devel] Integration of SCST in the mainstream Linux..., Vu Pham, (Tue Jan 29, 9:15 pm)

Re: Integration of SCST in the mainstream Linux kernel, Vladislav Bolkhovitin, (Wed Jan 23, 1:11 pm)

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