SCF Reference Manual for the Storage Subsystem (G06.27+, H06.04+)

Contents
SCF Reference Manual for the Storage Subsystem—529937-008
iii
5. Displaying Information About Magnetic
Disks (continued)
5. Displaying Information About Magnetic Disks (continued)
Displaying Disk Label Information 5-9
Displaying Profile Attributes 5-11
Displaying Disk Cache Configuration Information 5-14
Displaying Disk Cache Statistics 5-15
Reconfiguring Cache to Resolve Performance Problems 5-17
Displaying Error and Current Status Information 5-18
Displaying Disk Errors 5-18
Displaying Bad Sector Information 5-18
Displaying Defect Log Information 5-20
Examples of STATUS Reports for Magnetic Disks 5-21
Example of STATUS DISK Detailed Report for Magnetic Disks 5-24
6. Configuring Magnetic Disks
Types of Magnetic Disks 6-2
Configuring Paths for Different Disk Types 6-2
Considerations for M8xxx Fibre Channel Disks 6-3
Considerations for ESS Disks 6-4
System Disk Configuration 6-5
Automating Disk Configuration 6-6
Limitations of Automatic Configuration 6-6
Enabling Automatic Disk Configuration 6-6
Configuring Internal Magnetic Disks to Start Automatically 6-8
Configuring Custom Profiles 6-9
Creating a Custom Profile 6-9
Adding a Similar Custom Profile Using the OBEYFORM Attribute 6-9
Altering a Profile 6-10
Deleting a Custom Profile 6-11
Mirrored Disk Placement 6-12
Mirroring Without NonStop S-Series Enclosure Interleaving 6-12
Mirroring With NonStop S-Series Enclosure Interleaving 6-12
Mirroring With M8xxx Fibre Channel Disks 6-12
Configuring Mirrored Disks 6-13
Configuring Internal Mirrored Magnetic Disks to Revive Automatically 6-13
Changing a Mirrored Volume Into Two Nonmirrored Disks 6-14
Changing Two Nonmirrored Disks Into a Mirrored Volume 6-14
Remirroring Disks Online 6-15