collocation increases tape mounts while backup

2009-12-16 Thread chart2
Depending on how you set up your collocation (File Systems, Server or Server 
Group).  If you chose collocation by file system then you would mount a tape 
for each file sys, if you set by server then a mount per server etc ...

Hope that helps.

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Data Base Backups

2010-01-25 Thread chart2
This is more of a general or best practice question for on-line DB backups.  
I'll get a page for a DB that is about to fall over because it cant pass the 
archive logs to TSM fast enough and the archive log space is filling.  When I 
look at the log size they are passing its usually something small like 4-12K 
multiple times per min.  I suggest that they increase their log size as their 
backup client is spending more time packaging and connecting to the backup 
server than its taking to send the 4-1k of logs.

I understand that these logs can be dictated by time or size, but one would 
think that there's a happier medium to sending 4-12k or 4-12GB per log file.  
I've see 1-200MB log files that seem to be a good middle of the road.

Do other experience this with their DBA's and what do you do?

Regards,

Charles

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