Scanning media for obsolete data

You can run the scanning step of the reorganization process on all media belonging to a particular FSE partition, using the following command:

fsepartition --reorg-scanPartitionName "YYYY/MM/DD HH:mm:ss" [NumberOfGenerations]

NOTE: You can omit the time part (HH:mm:ss) of the ExpirationDate argument ("YYYY/MM/DD HH:mm:ss"). In this case, the time 00:00:00 is assumed.

During the execution of the job, fsepartition reports the job execution progress to the standard output, allowing you to monitor the scanning process in the command shell.

Example output of the fsepartition --reorg-scan command

fsepartition --reorg-scan my_part "2003/11/26 15:25:13" 3 [11:42:09] Started (JobID: 20040121000001).

[11:42:10] Scanning FSC for reorganization info.

[11:42:10] Scan Parameters: "2003/11/26 15:25:13", generations: 3.

[11:55:22] Scanning complete. Scanned 33.005.664 file generation copies.

[11:55:23] Use 'fsepartition --reorg-stat' to see the details.

[11:55:25] Finished.

Checking the resulting statistics of a reorganizational scan job

After the scan job is completed, you can check the statistics gathered during the scanning process. You can display both statistics related to individual FSE media pools and statistics related to individual FSE media assigned to the specified FSE partition.

Displaying the FSE media pool-based statistics

To check the statistics for all configured FSE media pools:

1.Ensure that all scan jobs have completed.

2.Run the command:

fsepool --reorg-stat

Example command output:

Name	NumOfMedia	ValidData[MB] Total[MB] SlackSpace[%]
Pool001	5	9540	25412	62%
Pool002	3	3000	10000	70%
Pool002	1	1000	1000	0%
PoolLTO	10	0	3610	0%

The meaning of the columns is the following:

NumOfMedia	Number of FSE media assigned to the media pool.
ValidData	Amount of space on the FSE media, assigned to the media pool, occupied by valid
	file generations.
	If the FSE media pool has not yet been scanned for reorganization, it has 0 (the
	zero value) displayed in place of the ValidData amount.

110 Managing media

File System Extender (FSE) specifications

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HP File System Extender (FSE) manual Scanning media for obsolete data, Example command output

Models: File System Extender (FSE)