Actually, 100MBytes/s "per stream" is more accurate. Modern NIC teaming
allows higher bandwidth for multiple NICs. 

10G Ethernet is also available on many platforms. IMO, that will move the
limitations from the network to the machine bus and input from the data
source.

Many backups with structure (file oriented, database detail oriented) are
already limited by the input data source in most environments, so you won't
see anywhere near 100MB. In a file server windows environment, you'll be
lucky to be able to pump 50MB/s over GigE.

50MB/s is the design point I use for most GIGE situations.

Mickey

-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Christian
Sønder
Sent: Monday, March 20, 2006 6:42 AM
To: WEAVER, Simon; Atif Munir
Cc: veritas-bu AT mailman.eng.auburn DOT edu
Subject: SV: [Veritas-bu] backup speed

Hi,

just to state the obviously - if u got Gigabit then u cant get more through
then 100 Mb/sec (Megabyte pr. second) - it's physics ;)
If u get 100Mb/s then I'm abit envious :)

Best regards

Christian Sonder

-----Oprindelig meddelelse-----
Fra: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] På vegne af WEAVER, 
Simon
Sendt: 20. marts 2006 12:28
Til: 'Atif Munir'
Cc: veritas-bu AT mailman.eng.auburn DOT edu
Emne: RE: [Veritas-bu] backup speed


~Hi
What sort of clients are you backing up?
Are they running AV software on them?
Does any of them run intensive disk I/O on them?
Are they on the same LAN
How are they configured on the Network.

A lot of questions, which if you can answer on the list may help to isolate
the issue or issues

Simon Weaver 
Technical Support 
Windows Domain Administrator 

EADS Astrium 
Tel: 02392-708598 

Email: Simon.Weaver AT Astrium.eads DOT net 



-----Original Message-----
From: Atif Munir [mailto:atif76 AT gmail DOT com] 
Sent: 20 March 2006 10:57
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] backup speed


I have a gigabit ethernet. Recently i have installed 5 LTO Gen 3 drives. But
I am not getting a very good speed. As a total I am getting 100Mb/sec, and
it take a lot of time to finish my backup.

Why I could not get a good speed.

Regards,
atif

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