Forum Discussion

yobole's avatar
yobole
Level 6
11 years ago

Contents of the Dedupe Pool

My Netbackup Dedupe pool is running at 90% capacity .. I need to produce a report for my IT manager on whats in there or taking up the space before we add more storage 

 

Can anyone assit ?

 

 

7.6
Backup and Recovery
NetBackup
Windows Server (2003-2008)
  • Mark_Solutions's avatar
    Mark_Solutions
    11 years ago

    crcontrol --dsstat will show you the actual used space of the de-dupes internals

    After that an images on media report against your disk pool will tell you everything that is on the de-dupe storage

    If you have OpsCenter the reports there will also give you a good idea of what is going on along with de-dupe rates.

    Do bear in mind that a 90% used de-dupe pool may just need properly processing to trim it down - i have seen many sites where they are almost out of disk space but it just needs the queue processing many time to get the internal cleanup operations to run through and make more available space - and we are talking in terms of TB's of space that can be freed up.

    Lets see your dsstat out put and also crcontrol --queueinfo to get a better idea of where you currently stand

    Hope this helps

  • Nicolai's avatar
    Nicolai
    Moderator
    11 years ago

    This tech note say 7.0.1 but is valid for 7.x as well

    Methods to determine how much space backups are taking on a deduplication storage unit MSDP or PDDO using NetBackup 7.01

    http://www.symantec.com/docs/TECH147351

    Monitoring the MSDP deduplication rate

    http://www.symantec.com/docs/HOWTO89020

     

  • Mark_Solutions's avatar
    Mark_Solutions
    Level 6
    11 years ago

    crcontrol --dsstat will show you the actual used space of the de-dupes internals

    After that an images on media report against your disk pool will tell you everything that is on the de-dupe storage

    If you have OpsCenter the reports there will also give you a good idea of what is going on along with de-dupe rates.

    Do bear in mind that a 90% used de-dupe pool may just need properly processing to trim it down - i have seen many sites where they are almost out of disk space but it just needs the queue processing many time to get the internal cleanup operations to run through and make more available space - and we are talking in terms of TB's of space that can be freed up.

    Lets see your dsstat out put and also crcontrol --queueinfo to get a better idea of where you currently stand

    Hope this helps