1.5. Replacement Functions for gfs2_tool in Red Hat Enterprise Linux 7
The
gfs2_tool command is not supported in Red Hat Enterprise Linux 7. 表 1.2 “gfs2_tool Equivalent Functions in Red Hat Enterprise Linux 7” summarizes the equivalent functionality for the gfs2_tool command options in Red Hat Enterprise Linux 7.
| gfs2_tool option | Replacement Functionality |
|---|---|
clearflag Flag File1 File2 ...
Clear an attribute flag on a file
| Linux standard chattr command |
freeze mountpoint
Freeze (quiesce) a GFS2 file system
| Linux standard fsfreeze -f mountpoint command |
gettune mountpoint
Print out current values of tuning parameters
| For many cases, has been replaced by mount (get mount options). Other tuning parameters may be fetched from the respective sysfs files: /sys/fs/gfs2/dm-3/tune/*. |
journals mountpoint
Print out information on the journals in a GFS2 file system
|
Information about journals can be fetched with
gfs2_edit -p journals device. You can run this command when the file system is mounted.
#
|
lockdump mountpoint
Print out information about the locks this machine holds for a given file system
|
The GFS2 lock information may be obtained by mounting
debugfs, then executing a command like such as the following:
#
|
sb device proto [newvalue]
View (and possibly replace) the locking protocol
|
To fetch the current value of the locking protocol, you can use the following command:
#
To replace the current value of the locking protocol, you can use the following command:
#
|
sb device table [newvalue]
View (and possibly replace) the name of the locking table
|
To fetch the current value of the name of the locking table, you can use the following command:
#
To replace the current value of the name of the locking table, you can use the following command:
#
|
sb device ondisk [newvalue]
View (and possibly replace) the
ondisk format number
| Do not perform this task. |
sb device multihost [newvalue]
View (and possibly replace) the
multihost format number
| Do not perform this task. |
sb device uuid [newvalue]
View (and possibly replace) the
uuid value
|
To fetch the current value of the
uuid , you can use the following command:
#
To replace the current value of the
uuid, you can use the following command:
#
|
sb device all
Print out the GFS2 superblock
|
#
|
setflag Flag File1 File2 ...
Sets an attribute flag on a file
| Linux standard chattr command |
settune mountpoint parameter newvalue
Set the value of a tuning parameter
|
For many cases, has been replaced by
mount (-o remount with options). Other tuning parameters may be set by the respective sysfs files: /sys/fs/gfs2/cluster_name:file_system_name/tune/*
|
unfreeze mountpoint
Unfreeze a GFS2 file system
| Linux standard fsfreeze -unfreeze mountpoint command |
version
Displays version of the gfs2_tool command
| N/A |
withdraw mountpoint
Cause GFS2 to abnormally shutdown a given file system
|
#
|
