The cleaning process is very easy to administer.  You set up each restorer to 
clean expired data based on a schedule.  It can clean as often as you want but 
in our environment we have it set to clean once a week at 6am on a Tuesday.  As 
long as you are using directory based replication you set up a cleaning 
schedule on both data domain systems (source and replica).  The cleaning 
process is quite intensive and can take some time if you have a lot of data.  
The Data Domain systems mark data as cleanable based on the retention 
parameters passed to it by Netbackup. Once an image expires in Netbackup, it 
can be marked as cleanable by the data domain. Filesys show space will show the 
amount marked as cleanable since the last cleaning cycle ran. The command 
syntax is filesys clean set schedule [daily | monthly | never] <day(s) <time>.  

Mark Glazerman
Desk: 314-889-8282
Cell: 618-520-3401
 please don't print this e-mail unless you really need to

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu 
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of nguytom
Sent: Thursday, February 03, 2011 3:14 PM
To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: [Veritas-bu] How to use the DataDomain system cleaning process

Hi Tim & Ratheeshdas

Here my email nguy_t AT yahoo DOT com or nguytom AT gmail DOT com  , could you 
send me DD admin guide and Netbackup-DD best practice guide  thank you very 
much for your help, I appreciate that.

Tom

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