Re: [ADSM-L] Exchange Backup with Flashcopy Manager EXTREMELY slow

We backp to TSM via LAN, we also use teming, but can not remember number of
Gbps adaptes. I can check tomorrow.
On Monday, 23 February 2015, John Keyes <rakyr AT gmx DOT net> wrote:

> Thank you Chavdar Cholev and Jeanne Bruno for sharing.
> I forgot to tell, we do skip the integrity check, and there are only
> passive Databases on the server.
> Are your backups going to TSM server or to a local storage? Im interested
> either way.
>
> Best Regards,
> John
>
>
>
> Gesendet: Montag, 23. Februar 2015 um 20:20 Uhr
> Von: "Chavdar Cholev" <chavdar.cholev AT GMAIL DOT COM <javascript:;>>
> An: ADSM-L AT VM.MARIST DOT EDU <javascript:;>
> Betreff: Re: [ADSM-L] Exchange Backup with Flashcopy Manager EXTREMELY slow
> We have ~ 2TB full exchange backup and it takes ~ 20 hours. There is exch
> db consistency check before backup which takes considerable amount of time.
> It can be switched off... but it is not recommnded....
>
> On Monday, 23 February 2015, John Keyes <rakyr AT gmx DOT net <javascript:;>>
> wrote:
>
> > Hello fellow TSM Admins!
> >
> > I'm struggling with Exchange Backup which over the course of the last few
> > Days (mainly since the last full backup this weekend) takes about 3-4
> times
> > as long as before.
> > We have Exchange 2013 DAG with 48 Databases and a dedicaded VM to do the
> > Backups (Flashcopy Manager 4.1.1, Backupdestination=local, on an IBM
> V7000
> > Storage).
> > Right now even an incremental backup of 1 database takes ~12 minutes, but
> > the volume is only 30GB big and has only 5GB (5000 x 1MB Files) on it.
> Two
> > weeks ago this would only take 3 Minutes.
> > A Full backup takes about half an hour (so I couldn't even complete a
> full
> > backup for every database in one day). I also tried to full-backup the
> same
> > database twice right after one another, with no difference.
> >
> > This can hardly be normal, can it? Has anyone had the same problems and
> > maybe could point me in the right direction?
> > Also it would be great if anyone could share how much time their backups
> > take...
> >
> > Best regards,
> > John
> >
>