On 1/24/20 12:43 AM, Vladislav Bolkhovitin wrote:
>
> On 1/23/20 1:51 PM, The Lee-Man wrote:
>> On Wednesday, January 15, 2020 at 7:16:48 AM UTC-8, Bobby wrote:
>>
>>
>> Hi all,
>>
>> I have a question regarding multi-queue in iSCSI. AFAI
On 1/23/20 1:51 PM, The Lee-Man wrote:
> On Wednesday, January 15, 2020 at 7:16:48 AM UTC-8, Bobby wrote:
>
>
> Hi all,
>
> I have a question regarding multi-queue in iSCSI. AFAIK, *scsi-mq*
> has been functional in kernel since kernel 3.17. Because earlier,
> the block layer w
Sagi Grimberg wrote on 01/08/2015 05:45 AM:
>> RFC 3720 namely requires that iSCSI numbering is
>> session-wide. This means maintaining a single counter for all MC/S
>> sessions. Such a counter would be a contention point. I'm afraid that
>> because of that counter performance on a multi-socket ini
Paul Koning wrote on 11/03/2014 04:54 AM:
> On Nov 3, 2014, at 6:10 AM, shivraj dongawe wrote:
>
>> Hi all,
>>
>> Suppose I have information about some lba's and lengths.
>>I want to send more than one write command as a part of single pdu.
>>I want to know whether I co
Vladislav Bolkhovitin, on 09/10/2011 05:44 PM wrote:
> Vladislav Bolkhovitin, on 09/08/2011 09:55 PM wrote:
>> Mike Christie, on 09/02/2011 12:15 PM wrote:
>>> On 09/01/2011 10:04 PM, Vladislav Bolkhovitin wrote:
>>>> Hi,
>>>>
>>>> I'v
Vladislav Bolkhovitin, on 09/08/2011 09:55 PM wrote:
> Mike Christie, on 09/02/2011 12:15 PM wrote:
>> On 09/01/2011 10:04 PM, Vladislav Bolkhovitin wrote:
>>> Hi,
>>>
>>> I've done some tests and looks like open-iscsi doesn't support full duplex
>
Mike Christie, on 09/02/2011 12:15 PM wrote:
> On 09/01/2011 10:04 PM, Vladislav Bolkhovitin wrote:
>> Hi,
>>
>> I've done some tests and looks like open-iscsi doesn't support full duplex
>> speed
>> on bidirectional data transfers from a single drive
Hi,
I've done some tests and looks like open-iscsi doesn't support full duplex speed
on bidirectional data transfers from a single drive.
My test is simple: 2 dd's doing big transfers in parallel over 1 GbE link from a
ramdisk or nullio iSCSI device. One dd is reading and another one is writing.
Spelic, on 01/05/2011 09:56 PM wrote:
> I am cc-ing the open-iscsi and scst people to see if they can suggest a
> way to debug the iscsi one. In particular it would be very interesting
> to get the number of commands received and replied from target side, and
> match it to the number of commands
Raimund Sacherer, on 10/08/2010 03:55 PM wrote:
> Hello,
>
>
> is it possible to expose an HP 1x8 G2 Autoloader with is connected
> with SCSI over iSCSI to another Server?
>
>
> Our problem is that the HP ProLiant DL380 G3 does not support the
> autoloader on it's external SCSI port (due to the
Vladislav Bolkhovitin, on 06/22/2010 11:04 PM wrote:
Pasi Kärkkäinen, on 06/18/2010 12:23 PM wrote:
[1] None of the performance measurement tools for Linux I've seen so
far, including disktest (although I've not looked at newer (1-1.5 years)
versions) and fio satisfied me for vario
Nicholas A. Bellinger, on 06/15/2010 04:46 AM wrote:
As the result of this very smart policy, Linux
MPIO is in a very good shape now. Particularly, it scales with more
links quite well. In contrast, according to Microsoft's data linked in
this list recently, Windows MPIO scales quite badly, bu
Pasi Kärkkäinen, on 06/18/2010 12:23 PM wrote:
[1] None of the performance measurement tools for Linux I've seen so
far, including disktest (although I've not looked at newer (1-1.5 years)
versions) and fio satisfied me for various reasons.
What's missing from ltp disktest?
It can't do the
guy keren, on 06/15/2010 01:46 AM wrote:
Vladislav Bolkhovitin wrote:
Pasi Kärkkäinen, on 06/11/2010 11:26 AM wrote:
On Fri, Feb 05, 2010 at 02:10:32PM +0300, Vladislav Bolkhovitin wrote:
Pasi Kärkkäinen, on 01/28/2010 03:36 PM wrote:
Hello list,
Please check these news items:
http
Nicholas A. Bellinger, on 06/12/2010 07:22 AM wrote:
On Fri, 2010-06-11 at 23:17 +, Raj wrote:
Nicholas A. Bellinger writes:
Btw, just for those following along, here is what MC/S and ERL=2 when
used in combination (yes, they are complementary) really do:
http://linux-iscsi.org/builds/us
Raj, on 06/12/2010 03:17 AM wrote:
Nicholas A. Bellinger writes:
Btw, just for those following along, here is what MC/S and ERL=2 when
used in combination (yes, they are complementary) really do:
http://linux-iscsi.org/builds/user/nab/Inter.vs.OuterNexus.Multiplexing.pdf
Also, I should menti
Nicholas A. Bellinger, on 06/11/2010 12:45 AM wrote:
On Thu, 2010-06-10 at 13:35 -0700, Nicholas A. Bellinger wrote:
On Thu, 2010-06-10 at 13:36 +0400, Vladislav Bolkhovitin wrote:
Christopher Barry, on 06/10/2010 03:09 AM wrote:
Greetings everyone,
Had a question about implementing mc/s
Pasi Kärkkäinen, on 06/11/2010 11:26 AM wrote:
On Fri, Feb 05, 2010 at 02:10:32PM +0300, Vladislav Bolkhovitin wrote:
Pasi Kärkkäinen, on 01/28/2010 03:36 PM wrote:
Hello list,
Please check these news items:
http://blog.fosketts.net/2010/01/14/microsoft-intel-push-million-iscsi-iops/
http
Christopher Barry, on 06/10/2010 03:09 AM wrote:
Greetings everyone,
Had a question about implementing mc/s using open-iscsi today. Wasn't
really sure exactly what it was. From googling about, I can't find any
references of people doing it with open-iscsi, although I see a few
references to peop
Boaz Harrosh, on 05/26/2010 10:58 PM wrote:
On 05/26/2010 09:52 PM, Vladislav Bolkhovitin wrote:
Boaz Harrosh, on 05/26/2010 10:45 PM wrote:
On 05/26/2010 09:42 PM, Vladislav Bolkhovitin wrote:
Taylor, on 05/26/2010 09:32 PM wrote:
I'm curious what kind of performance numbers people ca
Taylor, on 05/26/2010 09:32 PM wrote:
I'm curious what kind of performance numbers people can get from their
iscsi setup, specifically via 10 Gig.
We are running with Linux servers connected to Dell Equallogic 10 Gig
arrays on Suse.
Recently we were running under SLES 11, and with multipath wer
Boaz Harrosh, on 05/26/2010 10:45 PM wrote:
On 05/26/2010 09:42 PM, Vladislav Bolkhovitin wrote:
Taylor, on 05/26/2010 09:32 PM wrote:
I'm curious what kind of performance numbers people can get from their
iscsi setup, specifically via 10 Gig.
We are running with Linux servers connect
Pasi Kärkkäinen, on 04/12/2010 11:54 PM wrote:
On Fri, Feb 05, 2010 at 02:10:32PM +0300, Vladislav Bolkhovitin wrote:
For me personally it was funny to see how MS presents in the WinHEC
presentation
(http://download.microsoft.com/download/5/E/6/5E66B27B-988B-4F50-AF3A-C2FF1E62180F/COR
Pasi Kärkkäinen, on 02/08/2010 02:58 PM wrote:
On Fri, Feb 05, 2010 at 02:10:32PM +0300, Vladislav Bolkhovitin wrote:
Pasi Kärkkäinen, on 01/28/2010 03:36 PM wrote:
Hello list,
Please check these news items:
http://blog.fosketts.net/2010/01/14/microsoft-intel-push-million-iscsi-iops/
http
Nicholas A. Bellinger, on 01/29/2010 07:25 PM wrote:
On Thu, 2010-01-28 at 20:45 +0200, Pasi Kärkkäinen wrote:
On Thu, Jan 28, 2010 at 07:38:28PM +0100, Bart Van Assche wrote:
On Thu, Jan 28, 2010 at 4:01 PM, Joe Landman
wrote:
Pasi Kärkkäinen wrote:
Please check these news items:
http://bl
Joe Landman, on 01/28/2010 06:01 PM wrote:
Pasi Kärkkäinen wrote:
Hello list,
Please check these news items:
http://blog.fosketts.net/2010/01/14/microsoft-intel-push-million-iscsi-iops/
http://communities.intel.com/community/openportit/server/blog/2010/01/19/100-iops-with-iscsi--thats-not-a
Pasi Kärkkäinen, on 01/28/2010 03:36 PM wrote:
Hello list,
Please check these news items:
http://blog.fosketts.net/2010/01/14/microsoft-intel-push-million-iscsi-iops/
http://communities.intel.com/community/openportit/server/blog/2010/01/19/100-iops-with-iscsi--thats-not-a-typo
http://www.inf
Shachar f, on 11/25/2009 07:57 PM wrote:
> I'm running open-iscsi with scst on Broadcom 10Gig network and facing
> write latency issues.
> When using netperf over an idle network the latency for a single block
> round trip transfer is 30 usec and with open-iscsi it is 90-100 usec.
>
> I see tha
benoit plessis, on 10/13/2009 01:25 PM wrote:
> Strange because this is a common optimisation option than SAN vendor are
> using/recommending.
>
> Was the problem really the feature or the implementation ?
> Do you have a pointer explaining the reasons ?
http://scst.sourceforge.net/mc_s.html
>
Hello,
Bart Van Assche, on 04/12/2009 10:09 PM wrote:
> Hello,
>
> While running iSCSI performance tests I noticed that the performance
> for certain block sizes deviated significantly (more than ten times)
> from the performance for other block sizes, both larger and smaller.
> This surprised m
Mike Christie, on 02/25/2009 08:38 PM wrote:
> Another reason a lot of distros do not support it is because a common
> problem we always hit is that users will write out some data, then start
> modifying it again. But the kernel will normally not do do a sync write
> when you do a write. So onc
Hi,
StorageSolutionGroup, on 02/24/2009 02:12 AM wrote:
> Hi,
>
> Windows does not support disks that have been formatted to anything
> other than a 512byte block size. Block size refers to the low level
> formatting of the disk and not the cluster or allocation size used by
> NTFS. Be aware th
Mike Christie, on 12/17/2008 11:31 PM wrote:
> Mike Christie wrote:
>> Erez Zilber wrote:
>>> Mike,
>>>
>>> I got a kernel oops while logging in from v870-1 to an iSCSI-SCST
>>> target. it happens before 'iscsiadm -m node -L all' returns. Is this a
>>> known bug? Here's the log:
>>>
>> I think thi
Nick wrote:
> On Sep 30, 8:16 am, Konrad Rzeszutek <[EMAIL PROTECTED]> wrote:
>> On Mon, Sep 29, 2008 at 05:50:17PM -0700, Nick wrote:
>>
>>> On Sep 29, 3:49 pm, Konrad Rzeszutek <[EMAIL PROTECTED]> wrote:
> Here's the output:
> [EMAIL PROTECTED] ~]# lsscsi
> [20:0:0:0] tapeSEAGA
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