3494 Model B16 Virtual Tape Server Controls . . . . . . . . . . . . .
39
3494 Model B18 Virtual Tape Server Controls . . . . . . . . . . . . .
39
Chapter 3. Operational Characteristics . . . . . . . . . . . . . . .
41
3490E/3590 Tape Subsystem Operation . . . . . . . . . . . . . . .
41
Virtual Tape Server . . . . . . . . . . . . . . . . . . . . . . .
41
Emulation of 3490-Type Tape Drives
. . . . . . . . . . . . . . .
41
Tape Volume Cache
. . . . . . . . . . . . . . . . . . . . .
42
Storage Management of the Tape Volume Cache . . . . . . . . . . .
42
Maintaining Data Fragments from Copied Volumes . . . . . . . . . .
42
Fast Response for Non-specific Mount Requests . . . . . . . . . . .
42
Deletion of VTS Logical Volume . . . . . . . . . . . . . . . . .
43
Scratch Stacked Volumes
. . . . . . . . . . . . . . . . . . .
43
Integration with the 3494 Library . . . . . . . . . . . . . . . . .
44
Logical Library Partitioning . . . . . . . . . . . . . . . . . . .
44
SCSI Host Attachment . . . . . . . . . . . . . . . . . . . . .
44
Operator Interface . . . . . . . . . . . . . . . . . . . . . .
45
Logical Volume Inventory . . . . . . . . . . . . . . . . . . . .
45
VTS Import/Export Overview
. . . . . . . . . . . . . . . . . .
45
Local and Remote Power Control. . . . . . . . . . . . . . . . . .
45
Operator Involvement . . . . . . . . . . . . . . . . . . . . . .
46
System Administrator Involvement
. . . . . . . . . . . . . . . . .
46
Error Detection and Reporting . . . . . . . . . . . . . . . . . . .
47
Inventory Update . . . . . . . . . . . . . . . . . . . . . . . .
47
Volume Categories . . . . . . . . . . . . . . . . . . . . . . .
48
Physical Volume States . . . . . . . . . . . . . . . . . . . . .
52
Logical Volume States . . . . . . . . . . . . . . . . . . . . . .
52
Physical Volser Validity Checking . . . . . . . . . . . . . . . . . .
52
Logical Volser Validity Checking . . . . . . . . . . . . . . . . . .
53
Command Priorities in the Queue. . . . . . . . . . . . . . . . . .
54
Priority Levels . . . . . . . . . . . . . . . . . . . . . . . . .
54
Operations . . . . . . . . . . . . . . . . . . . . . . . . . .
55
Host-Initiated Operations . . . . . . . . . . . . . . . . . . . .
55
Export Operations . . . . . . . . . . . . . . . . . . . . . .
57
Import Operations
. . . . . . . . . . . . . . . . . . . . . .
57
Stand-Alone Operations . . . . . . . . . . . . . . . . . . . .
57
Initial Cartridge Installation . . . . . . . . . . . . . . . . . . . .
58
Cartridge Placement
. . . . . . . . . . . . . . . . . . . . . .
59
Initial Volume Inventory Upload
. . . . . . . . . . . . . . . . . .
59
Host Operation Control
. . . . . . . . . . . . . . . . . . . . .
59
Actions to Avoid when Operating a 3494 . . . . . . . . . . . . . . .
59
Things You Should Never Do . . . . . . . . . . . . . . . . . .
60
Things You Should Try to Avoid Doing . . . . . . . . . . . . . . .
60
Chapter 4. Operational Modes and States, and Informational States . . .
63
Operational Modes . . . . . . . . . . . . . . . . . . . . . . .
63
Auto Mode . . . . . . . . . . . . . . . . . . . . . . . . .
63
Pause Mode
. . . . . . . . . . . . . . . . . . . . . . . .
63
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . .
63
Additional Operational Modes in the HA1 Environment . . . . . . . . .
64
Home Cell Mode . . . . . . . . . . . . . . . . . . . . . . .
65
Operational States . . . . . . . . . . . . . . . . . . . . . . .
65
Library manager initialization
. . . . . . . . . . . . . . . . . .
65
Initialization complete . . . . . . . . . . . . . . . . . . . . .
66
Online State
. . . . . . . . . . . . . . . . . . . . . . . .
66
Offline State
. . . . . . . . . . . . . . . . . . . . . . . .
66
iv
Magstar 3494 Tape Library Operator Guide
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Содержание Tape Library Magstar 3494
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Страница 378: ...IBMR Printed in the United States of America on recycled paper containing 10 recovered post consumer fiber GA32 0280 09...