NonStop S-Series Operations Guide (G06.24+)

HP NonStop S-Series Operations Guide—522459-007

9-1

Disk Drives: Monitoring and

Recovery

When to Use This Section 9-1

Overview of Disk Drives 9-2

Monitoring Disk Drives 9-3

Monitoring Event Messages 9-3

Monitoring the Status of Disk Drives Using SCF 9-3

Monitoring Disk Drives Using the TSM Service Application or the OSM Service

Connection 9-7

Monitoring the State of Disk Drives 9-8

Monitoring the Use of Space on a Disk Volume 9-8

Monitoring the Size of Database Files 9-9

Monitoring Disk Performance 9-10

Monitoring Disk Configuration Information 9-10

Identifying Disk Drive Problems 9-11

Recovery Operations for Disk Drives 9-12

Recovery Operations for Free-Space Fragmentation of a Disk 9-13

Recovery Operations for a Full Disk 9-13

Recovery Operations for a Down Disk or Down Disk Path 9-13

Recovery Operations for Defective Sectors 9-14

Recovery Operations for a Nearly Full Database File 9-15

Recovery Operations for Performance Problems 9-15

Recovery Operations for a Corrupt $SYSTEM Disk 9-15

Recovery Operations for Failed Disk Drives 9-16