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FileWizard
for HSM
Hierarchical
Storage Management for Novell NetWare
Overview:
FileWizard HSM provides the benefits of Hierarchical Storage Management
for NetWare Networks without the large costs of a complex storage
management system. The benefits are typically automated management
resulting in increased productivity and reduced costs. For analysis
and graphical reporting of your NetWare, XP/200X, and Unix NFS volumes
use the regular FileWizard PC based software.
Reduce
disk storage requirements:
Automatic migration of infrequently accessed files to any storage
device that can be mounted as a NetWare volume. (Lower performing
or compressed disks, optical or tape jukeboxes or single devices).
Transparent recall of migrated files when accessed by users or applications.
Improve
User Productivity:
The operation of HSM system is transparent to the user. The user
sees the file identifying information, the "stub", when
requesting the file. The user may have slightly longer access time
(depending on the device where the data is stored). Eliminates wait
time for manual restoration of archives, and "out of space"
errors.
Use
existing backup/restore:
- File
migration and recall is fully transparent to any backup and restore
procedures supported by NetWare.
- Provides
for backup of the stub or placeholder files.
- Allows
use of file without de-migration if the server is over the capacity
threshold. The file is recalled directly to the workstation without
involving the server.
Maximize
Performance and Minimize Cost by Frequency of Access:
Automatically
arrange data storage with "hot data" on high speed devices,
and "colder" data on lower performance and lower cost
devices. This will maximize performance and minimize cost.
Explicit
Migration Control:
Migration
commands allow explicit migration control. For example, file size,
date/time of last access, and filename can be used to set migration
rules.
- File
Size: Set the minimum size of file to be considered a migration
candidate.
- Filename/Directory:
Specify filename and path to exclude or include the file as a
migration candidate. Folders and underlying files and sub-folders
can be migrated up and down the storage hierarchy.
- High/Low
Watermark: Set "high" & "low" watermarks
as points where automatic migration would start/stop.
- Prioritize
Migration Candidates: Specify the migration order, by file size,
by file last access date.
Commands:
Maintain
control over operation of HSM with the following commands:
| Command
|
Description
|
dsmautomig
|
Starts
threshold migration for a file system.
|
dsmdf
|
Displays
space usage information for a file system. |
dsmmigfs
|
- ·Adds
space management to a file system, or updates space management
attributes for a file system.
- Deactivates
or reactivates space management for a file system, or removes
space management from a file system.
- Manages
recovery from partial system failure (GPFS only).
- Displays
current space management settings for a file system.
- Deactivates
or reactivates space management for your client node.
|
dsmmighelp
|
Displays
online help for commands.
|
Dsmmigquery
|
Displays
space management information. For a file system, you can display
a migration candidates list, a recall list, or a list of all
resident, premigrated, and migrated files. For a client node,
you can display information about available management classes
or the values set for client-server options. |
dsmmigrate
|
Moves
selected files from a local file system to TSM storage. |
dsmmode
|
Sets
one or more execution modes that affect the space management-related
behavior of commands. |
dsmmonitord
|
Starts
the HSM space monitor daemon. |
dsmrecall
|
Moves
selected files from TSM storage to a local file system.
|
dsmrecalld
|
Starts
a space management recall daemon. |
dsmreconcile
|
Synchronizes
client and server and builds a new migration candidates list
for a file system. |
dsmmigundelete
|
Re-creates
stub files that have been deleted from the NetWare server. Restores
to original directory if it still exists.
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Requirements:
NetWare
servers running NetWare 4.x and above.
Evaluation:
available on request - info@smis.net
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