OT: MS Exchange backups

[Raylund Lai]

Denis Beauchemin wrote:
> Gerry Doris a écrit :
>> shuttlebox wrote:
>>> On Nov 23, 2007 10:04 PM, Denis Beauchemin
>>> <Denis.Beauchemin at usherbrooke.ca> wrote:
>>>  
>>>>>> Manager (TSM) and Backup Exec but couldn't backup our 250GB data
>>>>>>         
>>>> I'm not sure I understand your question...  it takes 48 hours to 
>>>> backup
>>>> to disk!
>>>>
>>>> Of course, we can't afford to stop Exchange to either backup or 
>>>> restore
>>>> data.  Everything has to be done online...
>>>>     
>>>
>>> Something is very wrong. We use Legato Networker on Solaris and it
>>> backs up many TB during the night including at least six Exchange
>>> servers each with larger databases than yours. Of course we spread the
>>> full backups so most servers only gets a diff or inc backup but still
>>> the full backups never takes more than a few hours.
>>>
>>>   
>> We generally install either Legato or Veritas and backup many 
>> Exchange servers/TBs overnight.  Check to make sure that the servers 
>> are being kicked off at different times...don't try and start 
>> everyone at midnight!  250GB is nothing. 
> I agree with all of you. It should not take so much time...  disks are 
> on a local raid5 box.  I think the time is spent extracting people's 
> mailboxes from the db and copying them to disk...  but still, it takes 
> way too long...
>
You should check your backup logs.  Are there any signs of "timeout"?  
May be the credential don't have privilege to open mailbox?

> How do you restore a single mailbox or some emails?  Do you have to 
> restore the hole db and then extract the relevant emails?  If so, it 
> is a waste of time and resources...  unless there isn't any other 
> way...  I think this is what they are trying to avoid but obviously it 
> is not working very well...
>
> Thanks!
>
> Denis
>