ADSM-L

Re: NFS Mounted Filesystem Backup Performance Question

1999-09-29 12:17:55
Subject: Re: NFS Mounted Filesystem Backup Performance Question
From: Rodrigo Gazzaneo <rodrigo_gazzaneo AT HOTMAIL DOT COM>
Date: Wed, 29 Sep 1999 11:17:55 EST
Can anybody explain to me the dynamics of why using shared memory to
backup the Network Appliance box would be better than using TCP/IP?

Shared memory will improve the speed in the local client. It means that data
won4t travel through the TCP stack to get to the ADSM server which is in the
same box.

Data will be coming from the stack because of the NFS protocol and would go
through it again if you used TCP/IP communication on the local server.
Shared memory eliminates the overhead of this "second stack strip".

It won4t improve the NFS communication, and probably this will be the
bottleneck of your backup.

best regards,
Rodrigo



Joshua S. Bassi
Storage Management Team Lead
Dickens Services Group
jbassi AT gloryworks DOT com
(404) 386-9848

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