ADSM-L

[ADSM-L] Improving Replication performance

2018-04-26 14:47:40
Subject: [ADSM-L] Improving Replication performance
From: Zoltan Forray <zforray AT VCU DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 26 Apr 2018 14:46:24 -0400
As we get deeper into Replication and my boss wants to use it more and more
as an offsite recovery platform.

As we try to reach "best practices" of replicating everything, we are
finding this desire to be difficult if not impossible to achieve due to the
resource demands.

Total we want to eventually replicate is around 700TB from 5-source servers
to 1-target server which is dedicated to replication.

So the big question is, can this be done?

We recently rebuilt the offsite target server to as big as we could afford
($38K).  It has 256GB of RAM.  64-threads of CPU. Storage is primarily
500TB of ISILON/NFS. Connectivity is via quad 10G (2-for IP traffic from
source servers and 2-for ISILON/NFS).

Yet we can only replicate around 3TB daily when we backup around 7TB.

Looking for suggestions/thoughts/experiences?

All boxes are RHEL Linux and 7.1.7.300

--
*Zoltan Forray*
Spectrum Protect (p.k.a. TSM) Software & Hardware Administrator
Xymon Monitor Administrator
VMware Administrator
Virginia Commonwealth University
UCC/Office of Technology Services
www.ucc.vcu.edu
zforray AT vcu DOT edu - 804-828-4807
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