ADSM-L

Re: [ADSM-L] Exchange backup speed

2018-02-19 06:54:26
Subject: Re: [ADSM-L] Exchange backup speed
From: Stefan Folkerts <stefan.folkerts AT GMAIL DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 19 Feb 2018 12:53:36 +0100
Wow, that's a huge environment.
I was asking because the best way to improve Exchange backup and restore
performance is (in my opinion) to use the Virtual Environment method of
Exchange backup and restore, every backup is essentially incremental and a
restore only really restores the data you actually want to restore instead
of a entire mailstore for that single 27KB mail.



On Sun, Feb 18, 2018 at 8:38 PM, Tom Alverson <tom.alverson AT gmail DOT com>
wrote:

> No, they tried VM's once and the performance was poor.  They had to switch
> back to physical servers which have 4 cores (32 processors) and 384GB of
> ram each.
>
> On Sun, Feb 18, 2018 at 10:37 AM, Stefan Folkerts <
> stefan.folkerts AT gmail DOT com
> > wrote:
>
> > Hi Tom, are the Exchange servers virtualized on vSphere?
> >
> > On Sat, Feb 17, 2018 at 12:55 AM, Tom Alverson <tom.alverson AT gmail DOT 
> > com>
> > wrote:
> >
> > > >
> > > >
> > > > 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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