ADSM-L

[ADSM-L] Exchange backup speed

2018-02-16 18:56:46
Subject: [ADSM-L] Exchange backup speed
From: Tom Alverson <tom.alverson AT GMAIL DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 16 Feb 2018 18:55:42 -0500
>
>
> We are trying to speed up our Exchange backups that are currently only
using about 15% of the network bandwidth.  Our servers are running Windows
2012R2 and Exchange 2013 CU15 with TSM 7.1.0.1 and TDPEXC 7.1.0.1.
Currently we are backing up 15 DAGS per Exchange server (we have multiple
exchange servers) and we are only backing up on servers that are standby
replicas.  Currently we are trying a 14 day schedule were we do a full
backup of a different DAG per day, and incrementals on the rest.  Even
doing this we are having trouble completing them in 24 hours (before the
next day's backup is supposed to start).

I saw an old posting from Del saying to increase RESOURCEUTILIZATION on the
DSMAGENT.  Does that mean the DSM.OPT in the BACLIENT folder?  It was set
at 2.  Do either the buffers or buffrsize options make any difference?

Also if we want to "parallelize" the backups does that mean separate
scheduler services for each one?  We currently use 14 different batch files
(for the 14 days of the cycle) with something like this:

[day1.bat]

tdpexcc.exe backup dag1 full
tdpexcc.exe backup dag2,dag3,dag4,dag5 incr
tdpexcc.exe backup dag6,dag7,dag8,dag9 incr
tdpexcc.exe backup dag10,dag11,dag12,dag13 incr
tcpexcc.exe backup dag14,dag15 incr
exit

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