I wrote this up awhile ago to help me remember all the places that MPX /
Multi streaming can be set. I have not reviewed it for awhile but hope it
helps.


*Multiplexing*

* *

* *

*Bpstulis*t ?  Displays the Attributes of of one Storage unit



Bpstulist?L

Example:

Bpstulist ?L



**        Check the the "Maximum Multiplexing per Drive" and the "Number of
Drives"





*Bpcllist* ? Displays the Class Attributes.



            Bpcllist  -allclasses ?L -U

            Example:

                                    Bpcllist -allclasses ?L -U



**        Check the  "Media Multiplexing"





*Tpconfig* ? Displays the Tape device information



            Tpconfig ?d



**        Check to make sure all drives are available.





*Bpconfig* ? Displays the Global Configuration attributes for Netbackup



            Bpconfig ?U ?L



**        Check the "Maximum Jobs per Client" and "Max Drives this Master"





*Bpclient* ? Displays the Client specific configuration information.



            Bpclient ?client (Client Name) ?L

            Example:

                                    Bpclient ?client Homer ?L


**        Check the "Maximum Jobs this Client". This setting over-rides the
global setting "Maximum Jobs per Client"

  *Multistreaming*

* *

* *

*Bpstulist* ?  Displays the Attributes of of one Storage unit



Bpstulist ?label (Storage Unit Name) ?L ?U

Example:

Bpstulist ?label TestSTU ?L ?U



**         Check the "Maximum Multiplexing per Drive"





*Bpcllist* ? Displays the Class Attributes.



            Bpcllist  (Class Name) ?L

            Example:

                                                Bpcllist TestClass ?L



**         Check the "Limit Jobs Per class" and the "Media Multiplexing"





*Bpconfig* ? Displays the Global Configuration attributes for Netbackup



            Bpconfig ?U ?L



**        Check the "Maximum Jobs per Client

* *

Steve

On 6/23/06, Hindle, Greg <Greg.Hindle at constellation.com> wrote:
>
> And where is the settling for multi streaming?
>
>
>
> Greg
>
> -----Original Message-----
> From: veritas-bu-bounces at mailman.eng.auburn.edu
> [mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Paul
> Keating
> Sent: Friday, June 23, 2006 11:32 AM
> To: veritas-bu at mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] multiplexing
>
> just the opposite.
> multiplexing is the practice of writing multiple backup jobs
> simultaneously to one tape/drive, interleaving segments of each backup
> on the tape.
>
> Multiplexing is beneficial when you have new technology tape drives that
> write 40+ MB/s natively, and clients that just can't push that much data
> out.
> In most cases with new tape drive technology the problem is that
> tapedrives are TOO fast, rather than not being fast enough.
>
> If you want to pull multiple streams of data from one client and
> "stripe" it across multiple drives, that is known as multi-STREAMING.
>
> Paul
>
>
> --
> -----Original Message-----
> From: veritas-bu-bounces at mailman.eng.auburn.edu
> [mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Hindle,
> Greg
> Sent: June 23, 2006 11:21 AM
> To: veritas-bu at mailman.eng.auburn.edu
> Subject: [Veritas-bu] multiplexing
>
>
> Can someone explain what this does? How can I backup data and have it
> stripped across more drives to speed a back up faster? We are having a
> "discussion" about this and how multiplexing works versus data
> streaming.
> Thanks
> >>> This e-mail and any attachments are confidential, may contain legal,
> professional or other privileged information, and are intended solely for
> the
> addressee.  If you are not the intended recipient, do not use the
> information
> in this e-mail in any way, delete this e-mail and notify the sender.
> CEG-IP2
>
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