Migration from NFS to NF

Table 1 Migration of metadata attributes

Attribute

Migrated

Description

Permission

Yes

This attribute defines the access mode.

NOTE:
  • Read (r): allows you to view the contents and the directory of a file.
  • Write (w): allows you to modify the file contents, and create, deleted, and move files and subdirectories in the directory.
  • Execute (x): allows you to run programs and switch directories.
  • No permission (-): means you do not have permissions.

Group

Yes

Indicates the group to which the owner belongs.

Owner

Yes

Indicate the account of the user who owns a file or directory.

Is_Directory

Yes

Indicates whether a file is a directory.

Is_Empty

Yes

Indicates whether a file is empty.

File_Size

Yes

Indicates the size of a file, in bytes

Last_Modify_Time

Yes

Indicates the last update time of a file or directory.

NOTE:

It corresponds to mtime (modified time) in Linux. After the content of a file is modified, the mtime of the file is updated.

For example, if you use vi or vim to modify a file and save the modification, the mtime of the file will be updated.

Last_Access_Time

No

Indicates the last access time of a file or directory.

NOTE:

It corresponds to atime (access time) in Linux. When the content of a file is read, the atime of the file is updated.

For example, if you use more or cat to view a file, the atime of the file is updated.

Last_Change_Time

No

Indicates the time when an attribute of a file or directory is changed.

NOTE:

It corresponds to atime (change time) in Linux. If an attribute of a file is modified, the ctime of the file is updated.

For example, when the file name, content, size, permission, or group is changed, the ctime of the file is updated.