Modifying a Migration Policy

Procedure

1. Choose Services > File Service > Tiering.
2. Click the Migration Policy tab.
3. Select the desired file directory from the list on the left. Migration policies created for it are displayed on the right. Click More on the right of the desired migration policy and select Modify.

   The Modify Migration Policy page is displayed.

4. Modify basic information about the migration policy.
   Table 1 describes related parameters.

   Table 1 Migration policy parameters

   Parameter	Description
   Filter Policy	Indicates the file filtering policy. Possible values are By file name, By file size, By file operation time, and By user or user group. By file name Select Including or Excluding in File Name Filtering to determine whether files with the specified names are included or excluded in the migration policy. Then, specify the file names to be filtered for or filtered. NOTE: 1 to 1023 characters can be entered in the text box. Wildcard (*) can match any character. The following formats are supported: *, *example*, *example, example*, and example*example. Multiple file names are separated using commas (,). By file size Specify the size of files to be filtered for. The migration policy takes effect for files that meet the size requirements. By file operation time Specify a specific operation time. Then, the migration policy takes effect on files whose history operation times meet all of the specified times, including crtime, mtime, ctime, and atime. crtime: indicates the file creation time. mtime: indicates the file modification time. ctime: indicates the file property modification time. atime: indicates the last access time. By user or user group Select the type of the desired user or user group from the User or User Group Type drop-down list and then select Including or Excluding in User Name Filtering to determine whether files of the specified user or user group are included or excluded in the migration policy. If you select LDAP domain user, LDAP domain user group, NIS domain user, or NIS domain user group in User or User Group Type, specify the user or user group name in Username or User Group Name. If you select Local UNIX authentication user or Local UNIX authentication user group, click Select next to Username or User Group Name. On the Local UNIX Authentication User or Local UNIX Authentication User Group page that is displayed, select the desired user or user group and click OK.
   Tier Grade	Indicates the tier grade of the migration policy. That is, the grade of the disk pool to which files are migrated. A disk pool's tier grade is specified during disk pool creation.

5. Click OK.