Thanks
Wolfgang,
If I may, can I
ask a few more questions.
How many
offline storage shares do you have configured?
How many rules
do you have defined for each primary storage
policy?
Your network
infrastructure is similar in throughput to what we have configured. Hardware
being FAS960c's migrating to R150's. My initial pilot involved scanning
~300Gb, of which we migrated around 60-70 Gb in about 12-20 hours.
For our first stage
production run we scaled this up to scanning 2Tb and migrating around 900Gb.
There were 160 rules with 160 offline storage's configured. Of the 900Gb
marked for transfer, we saw only 411mb transferred in 56 hours. Not good, not
good at all. Especially since we are looking at scanning up to 4x this amount
of data (~20-25 million files) at the end point.
It seems that the
increased # rules and offline storage's is causing some problems with the
application throughput. It also seems to transfer files in serial fashion.
i.e. Waits for one file to complete transfer before starting the next. It
would seem logical to me that the most efficient way would be to open multiple
threads to manage the transfer.
Aaron
From: Scholz
Wolfgang [mailto:Wolfgang.Scholz@fja.com]
Sent: Monday, 24 January 2005 4:36
PM
To: 'Hill, Aaron';
'toasters@mathworks.com'
Subject: AW: Experiences: ILM with Nuview
FLM
we are using flm
quite a while here but not with your amount of data. our total storage
capacity is around 2 tb´s . used space on our cifs volume is 335gb
with over 4,5 million files on it. we scheduled our policy to run once every
week. in the last policy run we migrated 65624 files, alltogether
7GB of data. it took 3 hours and 13 minutes to complete the policy run. we
have here an f825 filer wich is connected to the network over a vif with 2 gb.
our secondary storage is a hp storageworks 1200s nas appliance which is
connected at 100/mbps to the network.
_________________________
Wolfgang
Scholz
FJA Feilmeier &
Junker GmbH
Leonhard-Moll-Bogen
10
81373
Muenchen
Tel. : ++49 89 76901
7470
Fax : ++49 89 76901
9500
email:
wolfgang.scholz@fja.com
Hey
there,
I am interested in hearing
from other Filer admins that are using the Nuview File Lifecycle Manager
(FLM) software for data archiving or Information Lifecycle Management
(ILM).
I am in the process of
rolling this product out in a large environment with the aim of migrating TB
of data. At the moment I am seeing extremely slow migration rates.
Has anyone else
experienced this or in contrast has had very fast or even acceptable
transfer rates?
Thanks,
Aaron
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