Legato NetWorker Commands Index:ansrd
* - Windows Only
nsr_migrationnsr_migration - NetWorker resource type 'NSR migration'
type: NSR migration
Each NSR migration client is described by a single resource of type NSR migration (see nsr_resource(5)). To edit the NSR migration resources for a NetWorker server type: nsradmin -c "type:NSR migration" See the nsradmin(1) manual page for more information on using the Net- Worker administration program. The client resource may also be edited using the nwadmin(1) command. For each NetWorker migration client, this resource describes which files should be saved, the schedule used to save these files, which directive should be used to omit files from the save, the group that files will be pre-migrated with, the high-water mark for migration, the low-water mark for migration, the minimum last access time for file migration, the minimum file size for migration, a list of file owners and groups to include or exclude for migration, and a list of file name patterns to skip migration of. A client may have more than one resource describing it.
The following attributes are defined for resource type NSR migration. The information in parentheses describes how the attribute values are accessed, and how they are entered in the migration setup. Read-only indicates that the value cannot be changed by an administrator. Read/write means the value can be set as well as read. Hidden means it is an attribute of interest only to programs or experts, and these attributes can only be seen when the hidden option is turned on in nsradmin(1) or by selecting the details Menu Item in the View Menu for a particular window in nwadmin(1). Dynamic attributes have values which change rapidly. Encrypted attributes contain data that is not displayed in its original form. The assumption is that the data is sensitive in nature and needs to be protected from accidental disclo- sure. Single String indicates that only one value can be entered. List indicates that multiple values can be entered. Choice indicates that the value can be selected from a checkbox selection. Several additional attributes (for example, administrator) are common to all resources, and are described in nsr_resource(5). client (read-only, single string) This attribute identifies the HSM client whose save sets are to be placed under migration control. This name must be a valid name for an existing NSR client resource. Example: client: elantra; comment (read/write) This attribute is provided for the administrator to keep any explanatory remarks or supplementary information about the Example: directive: Unix with compression directives; enabled (read/write, choice) This attribute determines whether the save set named in this resource should be automatically migrated. A resource can be disabled to temporarily keep migration from occuring. On update, any ongoing migration operations will complete. This attribute has no affect on recall operations. Example: enabled: No; file group (read/write, list) A list of the groups whose files should be migrated. A leading dash ('-') in a group name indicates negation, in which case all groups except the named group's files will be migrated. Example: file group: staff, developers; file owner (read/write, list) A list of the users whose files should be migrated. A leading dash ('-') in a user name indicates negation, in which case all users except the named user's files will be migrated. Example: file owner: pgupta, dbinder; group (read/write, list) The groups this client/saveset is part of for pre-staging migrated files. The choices are defined by the set of existing groups. Example: group: Default; highwater mark % (read/write, single string) The point at which files should start being replaced by stubs, measured as the percentage of available space used on the filesystem. Migration (stub replacement) will continue until the lower water mark is reached. Example: high water mark (%): 90; last access time (read/write, single string) Migrate only those files that have not been accessed in the past specified relative time. If this value is empty, the last access time is not considered. Example values: 5 days ago, 1 month ago, 1 second ago. Example: last access time: 7 days ago low water mark % (read/write, single string) The point at which files should be stop being replaced by stubs, measured as the percentage of available space used on the filesystem. Example: low water mark (%): 80; minimum file size (KB) (read/write, single string) Migrate only those files that are larger than the specified size (in Kilobytes). Setting this value to zero causes file size to not be considered. Example: minimum file size (KB): 5; name (read-only, single string) This attribute identifies the NetWorker client and save set whose migration attributes are stored in this resource. Example: name: venus All; filesystems may round the fingerprint size to a different value when migrating a file. Example: fingerprint size (KB): 8; file owner (read/write, list) A list of the users whose files should be migrated. A leading dash ('-') in a user name indicates negation, in which case all users except the named user's files will be migrated. Example: file owner: karl, cohrs; file group (read/write, list) A list of the groups whose files should be migrated. A leading dash ('-') in a group name indicates negation, in which case all groups except the named group's files will be migrated. Example: file group: staff, developers; preserve (read/write, list) A list of regular expressions, in the client shell syntax (for example, /bin/sh syntax on Unix). A file name which matches any pattern in the list will be preserved and will never be migrated. Example: preserve: *.exe *.dll; save set (read/write, list) This attribute lists the path names of filesystems or sub-trees within filesystems to put under migration control for this client. The names should be separated by comma space (, ). The default value is 'All'. On Unix clients, 'All' refers to all mounted filesystems, except for the filesystems /, /usr, /var (and /opt on solaris), where migration of files is not allowed. Example: save set: /usr/src, /spare; statistics (read/write, hidden, list) A list of statistics about recent migration activity for the save set(s) managed using this resource. The first value is the last update time. Subsequent groups of values contain a save set name and statistics. The statistics are currently a date, K- bytes pre-migrated, files pre-migrated, K-bytes stubbed, files stubbed, K-bytes de-migrated and files de-migrated. update statistics (read/write, hidden, choice) This controls whether the statistics in this resource should be updated to match the current values on the client. Selecting "Yes" causes the statistics to be updated, but the attribute value will not actually change. Example: update statistics: No;
Note: The hidden options are not shown in these examples. A resource to define an HSM client, called elantra, migrating and recalling files in the /test filesystem from a NetWorker server: client: elantra; directive: Unix with compression directives ; enabled: Yes; file group: staff, developers; file owner: pgupta, dbinder; group: Default; type: NSR migration; A resource to define an HSM client, called elantra, migrating and recalling files owned by the user "pgupta" in all filesystems except for /, /usr, and /var (and /opt on solaris), to the NetWorker server jupiter: client: elantra; directive: Unix with compression directives ; enabled: Yes; file group:; file owner:; group: Default ; high water mark (%): 90; last access time:; low water mark (%): 60; minimum file size (KB): 10; name: "elantra:All"; preserve:; save set: All; statistics:; type: NSR migration;
nsr(5), nsr_directive(5), nsr_group(5), savegrp(1), savefs(1), nsrpmig(1), nsrmig(1), nsrhsmck(1), nsradmin(1), nsrexecd(1), nwadmin(1)
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