HP NonStop G-Series - Manual (Page 8)

Contents
Guardian User’s Guide — 425266-001
vi
9. Performing Routine Disk Operations (continued)
9. Performing Routine Disk Operations (continued)
Bringing Up a Disk or Path 9-6
Bringing Up a Disk From STOPPED 9-6
Bringing Up a Path From STOPPED 9-6
Bringing Up a Disk or Path From a STOPPED State, Substate HARDDOWN 9-6
Taking Down a Disk or Path 9-7
Taking Down a Disk 9-7
Taking Down a Path To a Mirrored Disk 9-8
Altering the Current Path to a Dual-Ported Disk 9-9
Removing Half of a Mirrored Disk 9-9
Bringing Up the Down Half of a Mirrored Disk 9-11
Finding and Sparing Bad Tracks and Sectors 9-12
Managing Disk Space Usage 9-14
Analyzing Disk Space Usage With the Subsystem Control Facility (SCF) 9-14
Analyzing Disk Space Usage With the Disk Space Analysis Program (DSAP) 9-15
Listing and Purging Old Disk Files 9-20
Monitoring and Altering Swap Files 9-23
How Kernel-Managed Swap Space Works 9-23
How Kernel-Managed Swap Files Affect You 9-24
Using NSKCOM to Monitor and Alter Swap Files 9-25
Solving Common Disk Problems 9-28
10. Using Labeled Tapes
How Labeled-Tape Processing Works 10-2
The MEDIACOM Interface 10-2
Tape Processing Modes 10-5
Using Labeled Tapes in LP Mode 10-6
Using Unlabeled Tapes in NL Mode 10-7
Bypassing Label Protection in BLP Mode 10-8
TAPE DEFINE Attributes 10-9
Common Labeled Tape Activities 10-10
Checking the Status of Tape Drives 10-10
Setting a Default Tape Drive 10-12
Taking Down and Bringing Up a Tape Drive 10-13