ADSM-L

Re: [ADSM-L] network data transfer rate & aggregate data transfer rate

2009-03-19 12:07:41
Subject: Re: [ADSM-L] network data transfer rate & aggregate data transfer rate
From: Kelly Lipp <lipp AT STORSERVER DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 19 Mar 2009 10:07:07 -0600
Network data transfer rate is the rate when the client is actually sending the 
data.  Usually very close to the wire speed.  Aggregate is amount of data 
transferred divided by the backup's elapsed time. Not just the time the client 
is actually moving data on the wire.  If you don't see the network rate very 
high (in the xx,xxx range) it can indicate a network problem.

Kelly Lipp
CTO
STORServer, Inc.
485-B Elkton Drive
Colorado Springs, CO 80907
719-266-8777 x7105
www.storserver.com


-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Arthur Poon
Sent: Thursday, March 19, 2009 10:04 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L] network data transfer rate & aggregate data transfer rate

I have a question about aggregate data transfer rate. Why it is always a
lot slower than the network data transfer rate?

For example:

ANE4961I (Session: 18137, Node: MFDCITRIX) Total number of bytes
transferred: 13.61 GB (SESSION: 18137) 

03/18/09 15:37:37 ANE4963I (Session: 18137, Node: MFDCITRIX) Data
transfer time: 914.17 sec (SESSION: 18137) 

03/18/09 15:37:37 ANE4966I (Session: 18137, Node: MFDCITRIX) Network
data transfer rate: 15,618.11 KB/sec (SESSION: 18137) 

03/18/09 15:37:37 ANE4967I (Session: 18137, Node: MFDCITRIX) Aggregate
data transfer rate: 2,220.91 KB/sec (SESSION: 18137) 

03/18/09 15:37:37 ANE4968I (Session: 18137, Node: MFDCITRIX) Objects
compressed by: 14% (SESSION: 18137) 

 

AP 

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