Project

General

Profile

Actions

Keep-balance » History » Revision 1

Revision 1/7 | Next »
Tom Clegg, 04/10/2013 02:57 PM


Data Manager

The Data Manager enforces policies concerning data access and storage resource consumption.

Its responsibilities include:

  • Granting access to data blocks (according to permissions found in the system/metadata DB)
  • Monitoring and adjusting redundancy of valuable data blocks (according to targets found in system/metadata DB)
  • Deleting unneeded data blocks to increase disk space
  • Rebalancing data blocks among available disks
  • Monitoring block read and write activity
  • Monitoring free disk space
  • Monitoring disk activity
  • Monitoring disk performance and health (via SMART and empirical measurement)
  • Tracking physical disk changes (disks added, removed, moved)

Updated by Tom Clegg almost 10 years ago · 1 revisions