Orville Lantto wrote:
> Doesn't the DDR2 slot in a p570 go twice as fast as the normal PCI slot?
>
don't know anout p570's, my most recent p550 has a 266 MHz pci-x slot,
at 64 bits that could possibly be good enough for 10 GE (and tsm is
mostly one-way traffic anyway).
> Orville L. Lantto
>
>
>
>
> From: Kauffman, Tom
> Sent: Thu 10/18/2007 21:43
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: [ADSM-L] 7500 Mb/s on 10 GbE!
>
>
> The PCI bus on a P5 will saturate at 400 MB/Sec; you'll need to go to
> the P6 to exceed that. That, and the $8,000 per end cost are the
> reasons I have 4 independent gigabit backup networks. (At the lat time I
> looked, the IBM card was $8,000 and a populated 8-port board for our
> Cisco switch was $64,000, with the per-port cost getting uglier as you
> cut the ports down).
>
> Tom Kauffman
> NIBCO, Inc
>
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf
> Of
> Curtis Preston
> Sent: Thursday, October 18, 2007 8:44 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: 7500 Mb/s on 10 GbE!
>
> The reason I posted this is that up to now, I've never seen anyone go
> any faster than about 400 MB/s (3200 Mb/s). If you're able to test that
> you can go indeed go anywhere near the speed that this guy had, using
> your P5s of course, I'd love to post your results, too.
>
> I'm just trying to help get the backup community beyond the 100 MB/s
> barrier we've been at for a while.
>
> ---
> W. Curtis Preston
> Backup Blog @ www.backupcentral.com
> VP Data Protection, GlassHouse Technologies
>
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf
> Of
> Bob Booth
> Sent: Thursday, October 18, 2007 4:40 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: [ADSM-L] 7500 Mb/s on 10 GbE!
>
> On Thu, Oct 18, 2007 at 07:00:29PM -0400, Curtis Preston wrote:
>> I monitor several backup-related mailing lists, and a user on another
>> list is getting 7500 Mb/s on his 10 GbE card and was willing to share
>> how he did it.
>
> We don't have a back to back 10Gb connection, but we do have 3 1Gb
> servers
> going into a foundry switch, which has a private 10Gb connection to our
> TSM
> server. We achieve 1590Mb/sec. 6 TSM image backups streaming, two from
> each server, going directly to 3592 drives. P5 - 570 TSM server, does
> not
> break a sweat, and I'm sure more is possible.
>
>>
>>
>> It's a NetBackup user, but that's not what the post is about. It's
>> about how he got 7500 MB/s into a single backup server, and how he did
>> it is just as relevant to TSM users:
>>
>> http://www.backupcentral.com/content/view/146/47/
>>
>>
>>
>> Has anyone accomplished this kind of throughput on other platforms?
>> (He's using Sun Solaris.)
>>
>>
>>
>> ---
>>
>> W. Curtis Preston
>>
>> Backup Blog @ www.backupcentral.com
>>
>> VP Data Protection, GlassHouse Technologies
>>
>>
>>
> CONFIDENTIALITY NOTICE: This email and any attachments are for the
> exclusive and confidential use of the intended recipient. If you are not
> the intended recipient, please do not read, distribute or take action in
> reliance upon this message. If you have received this in error, please
> notify us immediately by return email and promptly delete this message
> and its attachments from your computer system. We do not waive
> attorney-client or work product privilege by the transmission of this
> message.
--
Met vriendelijke groeten,
Remco Post
SARA - Reken- en Netwerkdiensten http://www.sara.nl
High Performance Computing Tel. +31 20 592 3000 Fax. +31 20 668 3167
PGP Key fingerprint = 6367 DFE9 5CBC 0737 7D16 B3F6 048A 02BF DC93 94EC
"I really didn't foresee the Internet. But then, neither did the
computer industry. Not that that tells us very much of course - the
computer industry didn't even foresee that the century was going to
end." -- Douglas Adams
|
