Client -> client_name -> Communications buffer size.

On Thu, 15 Nov 2007, Cruice, Daniel (US - Glen Mills) wrote:

> Any idea where this setting is adjusted...on the client side or the
> media server side?
>
> Thanks
> Dan
> -----Original Message-----
> From: Justin Piszcz [mailto:jpiszcz AT lucidpixels DOT com]
> Sent: Wednesday, November 14, 2007 12:52 PM
> To: ckstehman AT pepco DOT com
> Cc: Cruice, Daniel (US - Glen Mills); Veritas-bu AT mailman.eng.auburn DOT 
> edu;
> veritas-bu-bounces AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Need some suggestions
>
> Agree, what is the network speed?
>
> Multiplexing is only going to help so much.
>
> You can also tune the client buffer size to 128KiB, I hear this is
> supposed to help, default is 32KiB.
>
> Justin.
>
> On Wed, 14 Nov 2007, ckstehman AT pepco DOT com wrote:
>
>> What is your network speed:
>>
>> This may not be your problem if you are getting 2000KB/sec, but might
> be
>> worh a try.
>> However that is slow.  I get that only on a couple of very old Compaq
> Tru
>> 64 servers that max out
>> at 100MB
>>
>> Check these settings:
>>
>> If you are running 1G then be sure the NIC and the switch are both set
> to
>> auto negotiate.
>>
>> Things can get slow if you are backing up lots of small files.
>>
>>
>> =============================
>> Carl Stehman
>> IT Distributed Services Team
>> Pepco Holdings, Inc.
>> 202-331-6619
>> Pager 301-765-2703
>> ckstehman AT pepco DOT com
>>
>>
>>
>> "Cruice, Daniel \(US - Glen Mills\)" <dcruice AT deloitte DOT com>
>> Sent by: veritas-bu-bounces AT mailman.eng.auburn DOT edu
>> 11/14/2007 12:08 PM
>>
>> To
>> <Veritas-bu AT mailman.eng.auburn DOT edu>
>> cc
>>
>> Subject
>> [Veritas-bu] Need some suggestions
>>
>>
>>
>>
>>
>>
>> The setup?
>> Client:
>> Windows 2003 Svr
>> 6 TB of very small files?Word, Excel etc
>>
>> NBU environment
>> 6.0 MP4
>> all Windows?media and master node.
>> LTO3 drives SAN Attach (FC)
>> Mutlistreaming enabled
>> 1GB isolated network
>> Multiplexing enabled, and don?t laugh it is set to 20?I know I know
>> hopefully I?ll never need to do a full system restore.
>>
>> I?ve isolated all policies from the media server that handles this
> clients
>> backup request.
>>
>> And yet my full backup is running anywhere from 1.5 ? 2 days, my
> transfer
>> rate to tape is running around 2000 KB/sec?horrible
>>
>> What else can I do to help speed this up?
>>
>> Thanks
>> Dan Cruice
>> Deloitte Technology Service
>> Deloitte & Touche Tohmatsu
>> Direct: +1 610-479-5179
>> Fax: +1 610-479-6179
>> E-mail: dcruice AT deloitte DOT com
>> www.deloitte.com
>>
>>
>> This message (including any attachments) contains confidential
> information
>> intended for a specific individual and purpose, and is protected by
> law.
>> If you are not the intended recipient, you should delete this message
> and
>> are hereby notified that any disclosure, copying, or distribution of
> this
>> message, or the taking of any action based on it, is strictly
> prohibited.
>> _______________________________________________
>> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
>> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>>
>>
>> This Email message and any attachment may contain information that is
>> proprietary, legally privileged, confidential and/or subject to
> copyright
>> belonging to Pepco Holdings, Inc. or its affiliates ("PHI").  This
> Email is
>> intended solely for the use of the person(s) to which it is addressed.
> If
>> you are not an intended recipient, or the employee or agent
> responsible for
>> delivery of this Email to the intended recipient(s), you are hereby
> notified
>> that any dissemination, distribution or copying of this Email is
> strictly
>> prohibited.  If you have received this message in error, please
> immediately
>> notify the sender and permanently delete this Email and any copies.
> PHI
>> policies expressly prohibit employees from making defamatory or
> offensive
>> statements and infringing any copyright or any other legal right by
> Email
>> communication.  PHI will not accept any liability in respect of such
>> communications.
>>
>
> This message (including any attachments) contains confidential information 
> intended for a specific individual and purpose, and is protected by law. If 
> you are not the intended recipient, you should delete this message and are 
> hereby notified that any disclosure, copying, or distribution of this 
> message, or the taking of any action based on it, is strictly prohibited.
>
_______________________________________________
Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu