AF:
NF:0
PS:10
SRH:1
SFN:
DSR:
MID:<20090423091142.5d7a5cda@ripper.onstor.net>
CFG:
PT:0
S:andy.sharp@onstor.com
RQ:
SSV:mail.onstor.net
NSV:
SSH:
R:<carlos.mora@onstor.com>,<ed.kwan@onstor.com>,<bob.miller@onstor.com>,<brian.stark@onstor.com>
MAID:1
X-Sylpheed-Privacy-System:
X-Sylpheed-Sign:0
SCF:#mh/Mailbox/sent
RMID:#mh/Mailbox/clearcrap	0	2466602d-38df-4035-bf3c-d4ee076f2403@exch1.onstor.net
X-Sylpheed-End-Special-Headers: 1
Date: Thu, 23 Apr 2009 09:11:58 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: Carlos Mora <carlos.mora@onstor.com>
Cc: Ed Kwan <ed.kwan@onstor.com>, Bob Miller <bob.miller@onstor.com>, Brian
 Stark <brian.stark@onstor.com>
Subject: Re: Defect  TED00026664 (LSI Logic Storage GmbH - 12066) Appears to
 have some performance problems
Message-ID: <20090423091158.70261109@ripper.onstor.net>
In-Reply-To: <2466602d-38df-4035-bf3c-d4ee076f2403@exch1.onstor.net>
References: <2466602d-38df-4035-bf3c-d4ee076f2403@exch1.onstor.net>
Organization: Onstor
X-Mailer: Sylpheed-Claws 2.6.0 (GTK+ 2.8.20; x86_64-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

Holy cow, I love customers like this.  We should send this guy a basket
of fruit or something.  A free bobcat maybe.  A blank check at the
Hofbrau house in October.  Wait, nevermind on that last one, that's my
own dream creeping in.

I'm thinking that 30% cpu on the _other_ blade must somehow be key.


On Thu, 23 Apr 2009 06:05:17 -0700 Carlos Mora <carlos.mora@onstor.com>
wrote:

> Headline: (LSI Logic Storage GmbH - 12066) Appears to have some performance problems
> id: TED00026664
> Note_Entry:  From:  	 Dieter Jablanovsky [dieter.jablanovsky@lsi.com] 	 Sent:  	 Thu 4/23/2009 3:24 AM
>  To:  	 Carlos Mora
>  Cc:  	 Potts, David; Tavolaro, Seth G (Seth); Nguy, Minnie
>  Subject:  	 Re: [LSI Logic Storage GmbH] 00012066: "Performance issues after upgrade to 4.0.1.2 and to 4.0.1.4" - New comment to Case
>  Attachments:  	 readbench.c(2KB)  writebench.c(2KB) (located in the DW case directory)
> View As Web Page
> 
> hi carlos,
> 
> writebench and readbench is something i wrote. it's nothing special.
> pretty much like a verbose 'dd'. it does
> sequential writes or reads and tells you at the end how long it took.
> attached the sources. just 'make writebench'
> should work.
> 
> i could not see any rule for when it starts getting slow. it just
> happens at some point.
> 
> this morning it's still fast even i made some more tests last night:
> 
> [root@munlcs10 vol51]$ writebench 1g b3 32k
> filesize : 1000000 kbytes
> blocksize : 32 kbytes
> generating pattern...done
> 
> wrote 1024000000 bytes in 10172 milliseconds = 98309.09 kb/sec
> [root@munlcs10 vol51]$
> 
> and the load-avg is still low
> 
> munnas1> stats show ldavg
>    NCPU    ACPU     FP1     FP2     FP3     FP4
>   0.106   0.019   0.006   0.012   0.010   0.000
> munnas1>
> 
> so it's not necessarily caused by the tool.
> 
> dieter
> State: Assigned
> history: 33787085	Apr 15 2009  7:16AM	carlosm	Submit	no_value	Opened
> 33787096	Apr 15 2009 10:46AM	edk	Assign	Opened	Assigned
> 33787273	Apr 21 2009  6:21AM	carlosm	Modify	Assigned	Assigned
> 33787280	Apr 21 2009  8:00AM	carlosm	Modify	Assigned	Assigned
> 33787329	Apr 22 2009  7:32AM	carlosm	Modify	Assigned	Assigned
> 33787337	Apr 22 2009 10:01AM	edk	Modify	Assigned	Assigned
> 33787374	Apr 22 2009  1:56PM	edk	Modify	Assigned	Assigned
> 33787389	Apr 22 2009  4:26PM	brians	Modify	Assigned	Assigned
> 33787402	Apr 23 2009  5:49AM	carlosm	Modify	Assigned	Assigned
> 33787403	04/23/2009 06:05:17 AM	carlosm	Modify	Assigned	Assigned
> company_name: LSI Logic GmbH
> 
