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mmlsattr Command
Name
mmlsattr – Queries file attributes.
Synopsis
mmlsattr [-L] FileName [FileName...]
Description
Use the mmlsattr command to display attributes of a file.
Results
For the specified file, the mmlsattr command lists:
v Current number of copies of data for a file and the maximum value
v Number of copies of the metadata for a file and the maximum value
v Whether the Direct I/O caching policy is in effect for a file
Parameters
FileName
The name of the file to be queried. You must enter at least one file name.
Options
-L Displays additional file attributes:
Exit status
v The file’s assigned storage pool name.
v The name of the fileset that includes the file.
v The name of the snapshot that includes the file.
If the file is not part of a snapshot, an empty string is displayed.
v Whether the file is illplaced. This word would appear under flags.
0 Successful completion.
nonzero A failure has occurred.
Security
You must have read access to run the mmlsattr command.
You may issue the mmlsattr command only from a node in the GPFS cluster where the file system is
mounted.
Examples
1. To list the attributes of a file named project4.sched, issue this command:
mmlsattr -L /fs0/project4.sched
The system displays information similar to:
file name: /fs0/project4.sched
metadata replication: 1 max 2
196 GPFS: Administration and Programming Reference