Manual Garbage Collection

Manual GC should be performed by EMC staff as by doing it you may invalidate the warranty and/ or delete backups.

Login to grid Utility Node as admin.

1. Kill any current sessions

avmaint sessions --full | grep sessionid | cut -d'”' -f2 | xargs -L1 avmaint kill

2. Stop the Backup Scheduler

dpnctl stop sched

3. Stop the Maintenance Window Schedule

dpnctl stop maint

4. Take a new checkpoint

avmaint checkpoint --ava

5. Check and wait for the completion of the checkpoint

status.dpn | grep ^Checkpoint

6. Disable the Index Cache

avmaint config --ava indexcacheallowed=2

7. Initiate a manual Garbage Collection job

avmaint garbagecollect --ava --kill=0 --maxpass=0 --refcheck=true --throttlelevel=0 --usehistory=false --maxtime=18000

8. Re-enable the Index Cache

avmaint config --ava indexcacheallowed=1

9. Start the Maintenance Window Scheduler

dpnctl start maint

10. Start the Backup Scheduler

dpnctl start sched

11. Confirm all systems are up and operational

dpnctl status all


Command list:

avmaint sessions --full | grep sessionid | cut -d'”' -f2 | xargs -L1 avmaint kill
dpnctl stop sched
dpnctl stop maint
avmaint checkpoint --ava
status.dpn | grep ^Checkpoint
avmaint config –ava indexcacheallowed=2
avmaint garbagecollect --ava --kill=0 --maxpass=0 --refcheck=true --throttlelevel=0 --usehistory=false --maxtime=18000
avmaint config --ava indexcacheallowed=1
dpnctl start maint
dpnctl start sched
dpnctl status all