SCF Reference Manual for the Storage Subsystem (G06.28+, H06.05+, J06.03+)

5 Displaying Information About Disk Drives
This chapter describes displaying information about disk drives. For a description of the different
types of disks that the storage subsystem supports, see “Types of Disks” (page 70).
Effective with the H06.23/J06.12 RVU, Solid State Drives (SSDs) are supported in addition to
Hard Disk Drives (HDDs). SSDs are configured and displayed in the same manner as HDDs.
Physical disks share the object type of DISK with virtual disks (discussed in “Configuring and
Managing Virtual Disks” (page 143)).
• “Displaying Information About Installed, Nonconfigured Internal Disks” (page 48)
• “Displaying Information About Configured Disks” (page 48)
• “Displaying Disk Cache Configuration Information” (page 59)
• “Displaying Disk Cache Statistics” (page 60)
• “Displaying Error and Current Status Information” (page 62)
Displaying Information About Installed, Nonconfigured Internal Disks
When physically installing an internal SCSI disk, you should note manually the location of any
disk that is not configured. If you physically install a new disk in an empty slot that is not configured
for a disk, OSM or TSM displays the disk. However, the disk is not visible to SCF unless you have
automatic configuration enabled. Likewise, if you delete a disk from the system configuration
database, the disk becomes invisible to SCF, although OSM and TSM show it.
Finding Nonconfigured Internal Disks
1. Check the EMS messages. A nonconfigured internal disk generates an EMS message (“Disk
is not configured”) if one of these events occurs:
• You physically install the disk into a slot.
• You load the system.
• You reload a processor.
2. To find and automatically configure nonconfigured internal disks by using SCF:
a. Enable automatic configuration:
-> ALTER SUBSYS, AUTOCONFIGURE ON
This action allows the system to configure automatically all installed internal disks according
to a default or custom profile (see “The PROFILE Object” (page 36)).
For more information about how to use the AUTOCONFIGURE attribute, see “Automating
Disk Configuration” (page 73).
b. Use theNAMEMASK attribute of the profile for the enclosure to help you determine the
names of automatically added disks.
NOTE: To find nonconfigured model 45xx disks, refer to the completed installation
planning forms for those disks. Neither SCF, OSM, nor TSM can display information
about nonconfigured 45xx disks.
Displaying Information About Configured Disks
• “An INFO Report for a Disk” (page 49)
• “Example 2: A Detailed INFO Report for a Disk” (page 49)
• “Displaying Common Disk Information” (page 49)
48 Displaying Information About Disk Drives