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Page 1: Hierarchical Storage Management System Evaluation · n -t?03>3?07?.19 z[+ ab?x)al? 9 cep5-/?9:^wzv.1v ng?9 , 8ns x).1-/^wz®2 ^w-tp5vw.1al^w, xekr.1z[^wvw^wals kr^wvw?07sr07al?-ÑÛ7z[,

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Functionality 11

Performance 23

Reliability 23

Stability 23

Ease of Use 9

Outstanding Problems 4

Miscellaneous 7

Total 100

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Package Grouping Mechanism

DMF filesystem

FileServ class

NAStore user

UniTree family

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Function Description D F N U

List user tapes List all tapes (primary and backup) inuse by a user, class, family, filesystem.

X X X

List files on a tape List all files on a specific tape. X X

File Status List the archival state of a file X X X X

List the tapes which hold a file (primaryand backup)

X X

List Tape Blocks Used This is a modification of the UNIX duutility to list blocks used for migratedfiles.

Drive Status List the system defined drives and theircurrent state.

X X X X

Tape Status List the % full or bytes on tape X X X

List the files known to reside on thetape.

X X X

Archive/Restore Status List the percent complete for all archiveor restore operations

Given a user/family/class/filesystem id,identify all archives or restores activeand their completion state

Media Lists Provide information on tape media inuse (virgin/free, labeled, allocated, bad,etc.)

X X X X

Provide the option for a long or tabularpresentation of this data

X

Media Labeling in Parallel A Parallel labeling utility. X X

Media Recycle/Reclaim inParallel

A Parallel Recycle/Reclaim utility - i.e.the operator should not have to manu-ally parallelize this function.

X X

Media compaction The ability to compact out the old deadfiles from a tape and hence realizesome savings in the tape inventory.

X X X

Database Lists List all versions of a file stored in sys-tem

X

Misc. Configuration Stuff Specify tape quota X

Specify user files to keep on disk X X X

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Category Weight DMF FileServ NAStore UniTree

Functionality 11 11 11 10 8

Performance 23 11.04 (18.4) 21.16 21.16 4.6

Reliability 23 23 23 23 23

Stability 23 23 21 21 15

Ease of Use 9 7 9 7 5

Outstanding Issues 4 3 4 4 0

Miscellaneous 7 6 4 6 3

Total 100 84.04 (91.4) 93.16 92.16 58.6

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