[mailto:ewi...@ewilts.org]
Sent: 01 March 2011 18:27
To: Patrick
Cc: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing on destaging basic disk dssu
On Tue, Mar 1, 2011 at 5:41 AM, Patrick
wrote:
Is there a way to do the above? If so how?
Short answer: no.
Longer answer:
On Tue, Mar 1, 2011 at 5:41 AM, Patrick
wrote:
> Is there a way to do the above? If so how?
>
Short answer: no.
Longer answer: It's been requested multiple times and is being considered
for a future release.
There are ways to configure yourself around these limitations by configuring
more sto
2011 5:31 PM
To: Patrick
Cc: veritas-bu@mailman.eng.auburn.edu; veritas-bu-boun...@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing on destaging basic disk dssu
I believe you can't MPX duplications because of a limitation within the
bpduplicate process. It will allow you to kee
.edu
Subject: Re: [Veritas-bu] Multiplexing on destaging basic disk dssu
I believe you can't MPX duplications because of a limitation within the
bpduplicate process. It will allow you to keep already MPX'ed images MPX'ed,
but you can't MPX a duplication job that isn't
ved this e-mail in error,
please notify the sender and delete this e-mail from your system.
Patrick
Sent by:
03/01/2011 07:06 AM
To
cc
Subject
[Veritas-bu] Multiplexing on destaging basic disk dssu
Hello All,
Is there a way to do the above? If so how?
The tape storage unit is al
@mailman.eng.auburn.edu
Subject: [Veritas-bu] Multiplexing on destaging basic disk dssu
Hello All,
Is there a way to do the above? If so how?
The tape storage unit is already set to allow multiplexing, but the
destaging is only using one job per tape drive at a time.
NBU 7.0
Thank you in advance for
Hello All,
Is there a way to do the above? If so how?
The tape storage unit is already set to allow multiplexing, but the
destaging is only using one job per tape drive at a time.
NBU 7.0
Thank you in advance for any advice,
Patrick Whelan
VERITAS Certified NetBackup Support Eng
Message-
> From: [EMAIL PROTECTED] [mailto:veritas-bu-
> [EMAIL PROTECTED] On Behalf Of bob944
> Sent: Thursday, May 01, 2008 12:10 AM
> To: 'Len Boyle'; veritas-bu@mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] Multiplexing on VTL's
>
> > I agree with
rtis Preston
Backup Blog @ www.backupcentral.com
VP Data Protection, GlassHouse Technologies
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ed Wilts
Sent: Wednesday, April 30, 2008 4:12 PM
To: Mike Sparkes
Cc: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Ve
ke Sparkes
Cc: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing on VTLs
On Wed, Apr 30, 2008 at 6:36 PM, Mike Sparkes <[EMAIL PROTECTED]>
wrote:
Multiplexing mixes streams of data from multiple sources into
one stream to the storage device. A de-duplication product
logview
33133 root bin 56304 1208506181 1195233074 1209450948
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:veritas-bu-> [EMAIL PROTECTED] On Behalf Of
bob944
> Sent: Wednesday, April 30, 2008 9:03 PM
> To: veritas-bu@mailman.eng.auburn.edu
&
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of bob944
Sent: Wednesday, April 30, 2008 9:03 PM
To: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing on VTL's
> My main concern is that when doing restores off a multiplexed
> ta
> > smaller tapes. And a backup that requires a dozen tapes
> > because they're only 10GB-sized incurs a significant time
> > penalty from all those media change times.
>
> ===
> Speaking only for my NetApp VTLs here, but the 'media change
> time' as in 'rewind, unload drive, put tape in slot,
---
>
> *From:* Ed Wilts [mailto:[EMAIL PROTECTED]
> *Sent:* Wednesday, April 30, 2008 4:12 PM
> *To:* Mike Sparkes
> *Cc:* veritas-bu@mailman.eng.auburn.edu
> *Subject:* Re: [Veritas-bu] Multiplexing on VTLs
>
>
>
> On Wed, Apr 30, 2008 at 5:58
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of bob944
Sent: Wednesday, April 30, 2008 4:36 PM
To: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing on VTL's
> Good reason #1: in my VTL testing experience, making a boa
> We recently purchased a VTL to backup some short retention backups to.
> The backups will expire on the VTL and will not be duplicated to tape
> or anywhere else for that matter. We also have capacity licensing so
> we can create as many virtual tape drives as necessary. I don't
> believe mult
On Wed, Apr 30, 2008 at 5:58 PM, Mike Sparkes <[EMAIL PROTECTED]>
wrote:
> if you ever move
> to de-duplication, the act of multiplexing your backups ruins the
> ability to detect duplicate blocks. Your de-dupe ratio will be terrible.
I don't follow your logic here. Why would multiplexing affec
t;>
>> Jason
>>
>> --
>> Jason Slagle
>> /"\ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. .
>> \ / ASCII Ribbon Campaign .
>> X - NO HTML/RTF in e-mail .
>> / \ - NO Word docs in e-mail .
>>
>>
>>
ginal Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Travis
Kelley
Sent: Wednesday, April 30, 2008 1:41 PM
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] Multiplexing on VTL's
We recently purchased a VTL to backup some short retention backups to.
The ba
We recently purchased a VTL to backup some short retention backups to.
The backups will expire on the VTL and will not be duplicated to tape
or anywhere else for that matter. We also have capacity licensing so
we can create as many virtual tape drives as necessary. I don't
believe multiplexing i
Would multi-plexing help in backing up a NFS server with millions of small
files? How much would it help by?
+--
|This was sent by [EMAIL PROTECTED] via Backup Central.
|Forward SPAM to [EMAIL PROTECTED]
+--
1. Multi streaming/Multiplexing worked for 3 months ..but stopped
working for last 3 days. I already changed Global/Universal attributes,
Storage Units/Disk drives, Policies with higher values for higher
parallelism, and stopped/restarted netbackup but there is no any change
. We are seeing onl
and if you have "allow multiple data streams" selected for a policy,
you'll probably have more than three jobs (and more than one drive used).
(Also, I'm unclear if you have 3 or 9 policies ... this and Ueli's
responses are assuming you have no more than one policy for each client).
cheers, way
To: VERITAS-BU@mailman.eng.auburn.edu
Subject: [Veritas-bu] Multiplexing Query
Hi all,
Would like to find out somemore info abt multiplexing using netbackup.
Example.
If i have 3 clients and 3 policies for each client using same storageunit
and same volume pool.
My storageunit have 3 drives and i
Hi all,
Would like to find out somemore info abt multiplexing using netbackup.
Example.
If i have 3 clients and 3 policies for each client using same storageunit and
same volume pool.
My storageunit have 3 drives and i set it to 3 concurrent drive write.
The policies of the 3 client i set multi
On 10/17/06, Ashley, Brenda R Ctr 584 CBSS/GBMUAC
<[EMAIL PROTECTED]> wrote:
> Hello All,
>
> I am having a difficult time trying to combine multiplexing with
> multistreaming to maximize my performance.
Before getting too far into a solution you need to define the problem.
What kind of performa
uburn.edu> Subject: [Veritas-bu] Multiplexing combined with multistreaming> > > > Brenda R. Ashley> Linux/Backup-Recovery Administrator> > Information Handling Services> 542 MSUG/GBMUAC Robins AFB> Ph (478) 327-2668> DSN 497-2668 > Hello All,> > I am having a
Brenda R. Ashley
Linux/Backup-Recovery Administrator
Information Handling Services
542 MSUG/GBMUAC Robins AFB
Ph (478) 327-2668
DSN 497-2668
Hello All,
I am having a difficult time trying to combine multiplexing with
multistreaming to maximize my performance.
Here's the scenario:
I have Net
10 kinds of people on earth - those who understand binary
and those who don't.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Paul
Keating
Sent: 31 July 2006 14:16
To: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing
Or at
> If it's within your required parameters, then it's OK.
> It's obviously and trivially true that restoring from mulitplexed
> tapes is slower, because the drive has to read data that's not
> required to get to the data that is.
I don't agree.
Yes, the tape has to read more data, but if that n
we used to multiplex until we had to duplicate images... we no longer multiplex now. that would be another reason to not multiplex (this is also a resource issue/time issue for us). if you ever had to demux from tape to tape several hundred gig... yuk"Liddle, Stuart" <[EMAIL PROTECTED]> wrote:
]
-Original Message-
From: Ed Wilts [mailto:[EMAIL PROTECTED]
Sent: 31 July 2006 12:33
To: Liddle, Stuart
Cc: WEAVER, Simon; 'Mansell, Richard'; veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing
On Sun, Jul 30, 2006 at 11:58:54PM -0700, Liddle, Stuart wro
orage Road, Portsmouth, PO3 5PU
Email: [EMAIL PROTECTED]
-Original Message-
From: Paul Keating [mailto:[EMAIL PROTECTED]
Sent: 31 July 2006 14:16
To: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing
Or at the very least, multiplexed to a lower value than 25.
H
nal Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf
> Of Liddle, Stuart
> Sent: July 31, 2006 2:59 AM
> To: WEAVER, Simon; 'Mansell, Richard';
> veritas-bu@mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] Multiplexing
>
>
> S
31, 2006 1:45 AM
> To: 'Liddle, Stuart'; 'Mansell, Richard';
> veritas-bu@mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] Multiplexing
>
>
>
> Stuart
> Completely disagree - we get the best of both worlds and
> restores have never
> bee
On Sun, Jul 30, 2006 at 11:58:54PM -0700, Liddle, Stuart wrote:
> Finebelieve what you wantbut the numbers don't lie.
>
> If you ever try any testing of this you will see that restores are
> significantly faster when you do them from non-multiplexed tapes.
There are 2 significant facto
will see that restores are
>significantly faster when you do them from non-multiplexed tapes.
>
>--stuart
>
>-Original Message-----
>From: WEAVER, Simon [mailto:[EMAIL PROTECTED]
>Sent: Sunday, July 30, 2006 10:45 PM
>To: 'Liddle, Stuart'; 'Mansell, Ri
ng.auburn.edu
Subject: RE: [Veritas-bu] Multiplexing
Simon,
I won't argue that what you are seeing works for you. It will work, it's
just not optimal.
When you optimize your backup performance through the heavy use of
multiplexing, you will sacrifice performance on restores. If you
lto:[EMAIL PROTECTED]
Sent: Monday, July 31, 2006 12:26 AM
To: 'Liddle, Stuart'; 'Mansell, Richard'; veritas-bu@mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] Multiplexing
Stuart
I will believe what "I" have seen, and the restores for the 2 SAN Media
Servers are absolut
g.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing
Simon,
Finebelieve what you wantbut the numbers don't lie.
If you ever try any testing of this you will see that restores are
significantly faster when you do them from non-multiplexed tapes.
--stuart
-Original Message
Sent: Sunday, July 30, 2006 10:45 PM
To: 'Liddle, Stuart'; 'Mansell, Richard'; veritas-bu@mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] Multiplexing
Stuart
Completely disagree - we get the best of both worlds and restores have never
been any real issue for us, even large amount
, Portsmouth, PO3 5PU
Email: [EMAIL PROTECTED]
-Original Message-
From: Liddle, Stuart [mailto:[EMAIL PROTECTED]
Sent: 28 July 2006 19:37
To: WEAVER, Simon; 'Mansell, Richard'; veritas-bu@mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] Multiplexing
That's good for backup
command to expire the tape.
smpt
> ---Original Message---
> From: Liddle, Stuart <[EMAIL PROTECTED]>
> Subject: Re: [Veritas-bu] Multiplexing
> Sent: 28 Jul '06 20:36
>
> That's good for backup speeds, but it sucks for restores. Unless all of
> yo
6 11:22 PM
To: 'Mansell, Richard'; veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Multiplexing
Richard
Yes I use multiplexing a lot
NBU 5.1 Master MP2 + 2 SAN Media Servers
4 drives in a robot - using SSO
1 Storage Unit set to multiplex 25 jobs per drive (Master)
2 SAN
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] Multiplexing
We are struggling to get all of the backups run during the backup window and
one of the obvious solutions is to start using multiplexing as the tape
drives are not being driven at any where near their maximum throughput
We are struggling to get all of the backups run during the backup window
and one of the obvious solutions is to start using multiplexing as the
tape drives are not being driven at any where near their maximum
throughput. There has been a rather nasty multiplexing problem fixed in
6.0 MP3 but I wou
Thursday, 6 July 2006 11:18 PMTo: veritas-bu@mailman.eng.auburn.eduSubject: [Veritas-bu] Multiplexing problemHi All,I have a problem. Even though I have set all requirements for multiplexing, the items on my backup selection list areentering in queue. I would expect that they will be running simu
tated here are mine and do not necessarily represent those of
Symantec Corp
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Asiye
Yigit
Sent: Thursday, 6 July 2006 11:18 PM
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] Multiplexing problem
Hi A
mail: [EMAIL PROTECTED]
>
>
>
> -Original Message-
> From: Asiye Yigit [mailto:[EMAIL PROTECTED]
> Sent: 06 July 2006 14:18
> To: veritas-bu@mailman.eng.auburn.edu
> Subject: [Veritas-bu] Multiplexing problem
>
>
> Hi All,
> I have a problem. Even though I
PROTECTED]
Sent: 06 July 2006 14:18
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] Multiplexing problem
Hi All,
I have a problem. Even though I have set all requirements for multiplexing,
the items on my backup selection list are entering in queue. I would expect
that they will be
: [Veritas-bu] Multiplexing problem
Make sure the drive/storage unit can accept more than 1 stream
simultaneously. Make sure the schedule has media multiplexing enabled
and a number higher than 1.
-Jonathan
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
06, 2006 9:18 AM
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] Multiplexing problem
Hi All,
I have a problem. Even though I have set all requirements for
multiplexing, the items on my backup selection list are entering in
queue. I would expect that they will be running simultaneously
Hi All,
I have a problem. Even though I have set all requirements for
multiplexing, the items on my backup selection list are entering in
queue. I would expect that they will be running simultaneously. What am
I missing?
Regards,
Asiye
___
Veritas-bu m
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: [EMAIL PROTECTED][mailto:
[EMAIL PROTECTED]] On Behalf Of Hindle,GregSen
nt: June 23, 2006 11:36 AM
> To: Paul Keating; veritas-bu@mailman.eng.auburn.edu
> Subject: RE: [Veritas-bu] multiplexing
>
>
> And where is the settling for multi streaming?
>
>
>
> Greg
>
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAI
Message-
From: Hindle, Greg [mailto:[EMAIL PROTECTED]
Sent: 23 June 2006 16:36
To: Paul Keating; veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] multiplexing
And where is the settling for multi streaming?
Greg
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL
And where is the settling for multi streaming?
Greg
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Paul
Keating
Sent: Friday, June 23, 2006 11:32 AM
To: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] multiplexing
just the opposite
TREAMING.
Paul
--
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Hindle,
Greg
Sent: June 23, 2006 11:21 AM
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] multiplexing
Can someone explain what this does? How can I backup data and have it
stripped across
Email:
[EMAIL PROTECTED]
-Original Message-From: Hindle, Greg
[mailto:[EMAIL PROTECTED] Sent: 23 June 2006
16:21To: veritas-bu@mailman.eng.auburn.eduSubject:
[Veritas-bu] multiplexing
Can someone explain what this does? How can I
backup data and have it stripped across more
Title: 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
Greg
>>> This e-mail and any attachments are
Simon
I believe this will happen -
Your first job will kick off at 6PM with 3 streams. All these streams
will go to one tape drive, because you have the MPX value on the
schedule set at 3.
The second policy will start at 7PM and generate another 3 streams. All
these streams will go to a second
-708598
Email: [EMAIL PROTECTED]
-Original Message-
From: Jérôme Meyer [mailto:[EMAIL PROTECTED]
Sent: 02 November 2005 12:52
To: WEAVER, Simon
Cc: veritas-bu@mailman.eng.auburn.edu
Subject: Antw: [Veritas-bu] Multiplexing / Streaming
Hi Simon
It's seems right but you should sti
Subject: [Veritas-bu] Multiplexing / Streaming
Hi can I have some opinions please?
I am deeply concerned about backup speeds, and trying to get my head
around streaming and multiplexing.
I have 3 available tape drives and I have 2 policies that I intend to
run tonight. I want both policies to use
, Simon
Cc: veritas-bu@mailman.eng.auburn.edu
Subject: Antw: [Veritas-bu] Multiplexing / Streaming
Hi Simon
It's seems right but you should still to enable in Attribute's policy
-> "Allow multiple data streams"
Regards,
Jerome
>>> "WEAVER, Simon" <[EMAI
Hi Simon
It's seems right but you should still to enable in Attribute's policy
-> "Allow multiple data streams"
Regards,
Jerome
>>> "WEAVER, Simon" <[EMAIL PROTECTED]> 02.11.2005 12:37:02
>>>
Hi can I have some opinions please?
I am deeply concerned about backup speeds, and trying to get my hea
Hi can I have some opinions please?
I am deeply concerned about backup speeds, and trying to get my head around
streaming and multiplexing.
I have 3 available tape drives and I have 2 policies that I intend to run
tonight. I want both policies to use the available drives where possible.
I have t
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