lapapa.blogg.se - Drive snapshot 1.4

Cleaning/garbage collection not being run regularly.Data movement not being run regularly on systems configured with ER/LTR causing old files which should be migrated to archive/cloud tiers to remain on the active tier.

Backups consist of a large number of very small files - these files consume much more space than is expected when initially written however this space should be reclaimed during clean/garbage collection.

it is simply too small for the amount of data which is being attempted to be stored on it

The system has not been sized correctly, i.e.

Data being written to the active tier has lower than expected overall compression ratio.

Replication lag causing a large amount of old data to be kept on the active tier pending replication to replicas.

Backup files/save sets are not being correctly expired/deleted by client backup applications due to incorrect retention policy or backup application configuration.

The active tier of a DDR can experience higher than expected utilization for a number of reasons: