Red Hat GFS 6.0 -, Administrator'S Manual

Page: 4 / 192

5. Using the Pool Volume Manager ................................................................................................. 21
5.1. Overview of GFS Pool Volume Manager ........................................................................ 21
5.2. Synopsis of Pool Management Commands ..................................................................... 21
5.2.1.
pool_tool
....................................................................................................... 22
5.2.2.
pool_assemble
.............................................................................................. 23
5.2.3.
pool_info
....................................................................................................... 23
5.2.4.
pool_mp
........................................................................................................... 24
5.3. Scanning Block Devices .................................................................................................. 25
5.3.1. Usage................................................................................................................. 25
5.3.2. Example ............................................................................................................ 25
5.4. Creating a Configuration File for a New Volume ............................................................ 26
5.4.1. Examples........................................................................................................... 27
5.5. Creating a Pool Volume ................................................................................................... 27
5.5.1. Usage................................................................................................................. 28
5.5.2. Example ............................................................................................................ 28
5.5.3. Comments ......................................................................................................... 28
5.6. Activating/Deactivating a Pool Volume ........................................................................... 28
5.6.1. Usage................................................................................................................. 29
5.6.2. Examples........................................................................................................... 29
5.6.3. Comments ......................................................................................................... 29
5.7. Displaying Pool Configuration Information .................................................................... 30
5.7.1. Usage................................................................................................................. 30
5.7.2. Example ............................................................................................................ 30
5.8. Growing a Pool Volume ................................................................................................... 30
5.8.1. Usage................................................................................................................. 30
5.8.2. Example procedure ........................................................................................... 31
5.9. Erasing a Pool Volume..................................................................................................... 31
5.9.1. Usage................................................................................................................. 32
5.9.2. Example ............................................................................................................ 32
5.9.3. Comments ......................................................................................................... 32
5.10. Renaming a Pool Volume............................................................................................... 32
5.10.1. Usage............................................................................................................... 32
5.10.2. Example .......................................................................................................... 33
5.11. Changing a Pool Volume Minor Number ...................................................................... 33
5.11.1. Usage............................................................................................................... 33
5.11.2. Example .......................................................................................................... 33
5.11.3. Comments ....................................................................................................... 33
5.12. Displaying Pool Volume Information ............................................................................ 34
5.12.1. Usage............................................................................................................... 34
5.12.2. Examples......................................................................................................... 34
5.13. Using Pool Volume Statistics ......................................................................................... 35
5.13.1. Usage............................................................................................................... 35
5.13.2. Examples......................................................................................................... 35
5.14. Adjusting Pool Volume Multipathing ............................................................................ 35
5.14.1. Usage............................................................................................................... 36
5.14.2. Examples......................................................................................................... 36
6. Creating the Cluster Configuration System Files ...................................................................... 37
6.1. Prerequisite Tasks ............................................................................................................ 37
6.2. CCS File Creation Tasks.................................................................................................. 37
6.3. Dual Power and Multipath FC Fencing Considerations .................................................. 38
6.4. GNBD Multipath Considerations for CCS Files ............................................................. 38
6.5. Creating the
cluster.ccs
File...................................................................................... 39
6.6. Creating the
fence.ccs
File .......................................................................................... 41
6.7. Creating the
nodes.ccs
File .......................................................................................... 51