Lars-Owe
ADSM.ORG Member
Much of our data is already compressed, so I don't expect much from hardware compression, but why is there significantly less data than the nominal capacity on some of our tapes? Here's one with only 2 out of 4TB:
>q vol c00109 f=d
Volume Name: C00109
Storage Pool Name: BACKUP3584_2
Device Class Name: 3584_2CLASS
Estimated Capacity: 2.0 T
Scaled Capacity Applied: 100
Pct Util: 99.7
Volume Status: Full
Access: Read/Write
Pct. Reclaimable Space: 0.3
Scratch Volume?: Yes
In Error State?: No
Number of Writable Sides: 1
Number of Times Mounted: 3
Write Pass Number: 1
Approx. Date Last Written: 03/18/2015 16:36:34
Approx. Date Last Read: 03/17/2015 04:36:18
Date Became Pending:
Number of Write Errors: 0
Number of Read Errors: 0
Volume Location:
Volume is MVS Lanfree Capable : No
Last Update by (administrator):
Last Update Date/Time: 03/17/2015 04:17:17
Begin Reclaim Period:
End Reclaim Period:
Drive Encryption Key Manager: None
Logical Block Protected: No
Generally speaking our LTO-5 tapes are the most disappointing.
>q vol c00109 f=d
Volume Name: C00109
Storage Pool Name: BACKUP3584_2
Device Class Name: 3584_2CLASS
Estimated Capacity: 2.0 T
Scaled Capacity Applied: 100
Pct Util: 99.7
Volume Status: Full
Access: Read/Write
Pct. Reclaimable Space: 0.3
Scratch Volume?: Yes
In Error State?: No
Number of Writable Sides: 1
Number of Times Mounted: 3
Write Pass Number: 1
Approx. Date Last Written: 03/18/2015 16:36:34
Approx. Date Last Read: 03/17/2015 04:36:18
Date Became Pending:
Number of Write Errors: 0
Number of Read Errors: 0
Volume Location:
Volume is MVS Lanfree Capable : No
Last Update by (administrator):
Last Update Date/Time: 03/17/2015 04:17:17
Begin Reclaim Period:
End Reclaim Period:
Drive Encryption Key Manager: None
Logical Block Protected: No
Generally speaking our LTO-5 tapes are the most disappointing.