Red Hat GFS 5.2.1 -, Administrator'S Manual

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24 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.
-q
Be quiet. Do not display output from the command.