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

Storage Subsystem Commands

SCF Reference Manual for the Storage Subsystem—529937-008

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Disk Attribute Descriptions

TYPE { MAGNETIC | VIRTUAL }

is the type of disk you are adding. The default is MAGNETIC.

VOLNAME $vol

is the default volume name for the disk. This name is used when the system first

tries to start the volume. This attribute changes the volume name on the label of

the disk but does not change the system configuration database.

To use this attribute, see Changing Either the Volume Name or Alternate Volume

Name on page 6-29.

WRITEVERIFY { ON | OFF }

specifies whether the disk process should enable persistent write verify.

This value affects all disk paths that share the same SAC.

When you set WRITEVERIFY ON, you give up some system performance for a

higher level of data integrity. WRITEVERIFY ON is sometimes set automatically by

the disk process if it detects a specific error situation that needs the extra

protection.

Note. This attribute is not valid for the ALTER DISK command and the PROFILE object.

Note. This attribute is not valid for the ADD DISK command and the PROFILE object.

ON The SAC performs additional verification to ensure that data is written

error-free.

OFF No additional verification is performed (default).