Veritas-bu

[Veritas-bu] Metadata impact on performance?

2006-10-11 01:15:23
Subject: [Veritas-bu] Metadata impact on performance?
From: JAbbott at faritec.com (John Abbott)
Date: Wed, 11 Oct 2006 07:15:23 +0200
Hi all,

 

Currently I have a dual 5.1 MP5 master server site running on AIX 5.2.
We would like to consolidate this into a single Master Server utilizing
the WAN link for replication and converting the other Master Server into
a fail over server through clustering. The unknown for me is that the
metadata that flows back to the soon-to-be standby master server, will
now need to flow over the WAN link to the active Master Server.
VRAdvisor indicates that synchronous replication connection will require
around 16 Mbps between the 2 servers for image updates and the WAN link
appears to average around 4 Mbps. I would appreciate it if anyone has
any experience or references on this I can review before we consider
starting. I would assume that bottlenecks with metadata will impact
backup performance.

 

Regards



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