IBM DS8880 Thin Provisioning (Updated for Release 8.5)

Table of contents

1. Front cover
2. Notices
   1. Trademarks
3. Preface
   1. Authors
   2. Now you can become a published author, too!
   3. Comments welcome
   4. Stay connected to IBM Redbooks publications
4. Chapter 1. Thin provisioning
   1. 1.1 Overview
      1. 1.1.1 Thin provisioning model
      2. 1.1.2 Thin provisioning usage examples
   2. 1.2 DS8880-specific implementations
      1. 1.2.1 Extent Space Efficient thin-provisioned volumes
5. Chapter 2. Planning considerations and guidelines
   1. 2.1 Thin provisioning benefits
   2. 2.2 Planning considerations
      1. 2.2.1 Virtual capacity and metadata capacity
      2. 2.2.2 Over-provisioning
      3. 2.2.3 Extent pools
      4. 2.2.4 Out-of-space behavior
      5. 2.2.5 Sizing
      6. 2.2.6 Performance
      7. 2.2.7 Applications
   3. 2.3 Planning for ESE volumes as FlashCopy targets
      1. 2.3.1 Thin-provisioned ESE volumes for mirroring
      2. 2.3.2 Choosing an extent size
      3. 2.3.3 Setting up monitoring for capacity utilization
6. Chapter 3. Space-efficient volumes in the IBM DS8880
   1. 3.1 DS8880 logical volumes
      1. 3.1.1 Optional ESE repository for thin-provisioned logical volumes
      2. 3.1.2 Capacity allocation for ESE volumes
      3. 3.1.3 Out-of-space condition
      4. 3.1.4 Volume creation
      5. 3.1.5 Releasing space
      6. 3.1.6 Migration considerations
      7. 3.1.7 Performance considerations
7. Chapter 4. DS GUI and DS CLI support for thin provisioning
   1. 4.1 DS GUI and DS CLI support to set up thin provisioning
      1. 4.1.1 Creating an extent pool with small extents by using the DS GUI
      2. 4.1.2 Creating an extent pool with small extents by using the DS CLI
      3. 4.1.3 Creating an extent pool with large extents
   2. 4.2 Creating ESE thin-provisioned volumes
      1. 4.2.1 Creating thin-provisioned volumes by using the DS GUI
      2. 4.2.2 Creating thin-provisioned volumes by using the DS CLI
      3. 4.2.3 Re-initializing online space efficient volumes
   3. 4.3 Summary
8. Chapter 5. Managing and monitoring thin-provisioned volumes
   1. 5.1 Management and monitoring capabilities
      1. 5.1.1 Options to reserve space and spare capacity
      2. 5.1.2 Overprovisioning control
      3. 5.1.3 Options to set thresholds and receive warnings
      4. 5.1.4 SNMP trap extent pool threshold
      5. 5.1.5 Managing out-of-space situations
9. Chapter 6. Use of thin-provisioned volumes in IBM z
   1. 6.1 Thin-provisioned Count Key Data devices
   2. 6.2 Advantages of using thin-provisioned volumes in z/OS
   3. 6.3 Migrating to thin-provisioned volumes
   4. 6.4 Thin provisioning support in IBM z
   5. 6.5 DFSMSdss SPACEREL command
   6. 6.6 Thin provisioning and copy services
10. Related publications
    1. IBM Redbooks
    2. Other publications
    3. Online resources
    4. How to get Redbooks publications
    5. Help from IBM
11. Back cover