Red Hat GFS 6.0 -, Administrator'S Manual

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22 Chapter 5. Using the Pool Volume Manager
5.2. Synopsis of Pool Management Commands
Four commands are available to manage pools:
• pool_tool
•
pool_assemble
• pool_info
•
pool_mp
The following sections briefly describe the commands and provide references to other sections in this
chapter, where more detailed information about the commands and their use is described.
5.2.1.
pool_tool
The
pool_tool
command provides a variety of functions for manipulating and controlling pools
(refer to Table 5-1 and Table 5-2). Some
pool_tool
functions — such as creating a pool and growing
a pool — require that a file be specified on the command line to provide inputs for the command.
Other
pool_tool
functions — such as erasing a pool, renaming a pool, changing a minor number,
and printing a pool configuration — act on existing pools and require one or more pool names to be
specified on the command line.
Flag Function Section/Page Reference
-c
Create a pool Section 5.5 Creating a Pool Volume
-e
Erase a pool Section 5.9 Erasing a Pool Volume
-s
Scan devices Section 5.3 Scanning Block Devices
-g
Grow a pool Section 5.8 Growing a Pool Volume
Note: The
pool_tool
-g
command supersedes
the
pool_grow
command as of GFS 5.2.
Although the
pool_grow
command is still
available, it is not supported in GFS 5.2 and
later.
-r
Rename a pool Section 5.10 Renaming a Pool Volume
Note: In releases before GFS 5.2, the
-r
flag
had a different usage.
-p
Print a pool configuration Section 5.7 Displaying Pool Configuration Information
-m
Change a pool minor
number
Section 5.11 Changing a Pool Volume Minor Number
Table 5-1.
pool_tool
Command Functions
Flag Option
-D
Enable debugging output.
-h
Help. Show usage information.
-O
Override prompts.