IBM 86807RY Hardware Maintenance Manual - Page 48
When To Use the Low-Level Format, Program, Performing a Low-Level Disk Format
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Unexpected SCSI Command Failure Target SCSI ID: 4 SCSI CDB Sent: 3 E 7 2 Host Adapter Status: h - No host adapter error Target Status: 2h - Check condition Sense Key: 2h - Not ready +Sense Code: 4h +Sense Code Qualifier: 2h Press 'Esc' to continue. Performing a Low-Level Disk Format: You can use the Format Disk feature of the SCSISelect Utility to perform a low-level format on a hard disk drive. Depending on the hard disk drive capacity, the low-level format program could take up to two hours. When To Use the Low-Level Format Program: Use the Low-Level Format program: When you are installing software that requires a low-level format When you get recurring messages from the diagnostic tests directing you to run the Low-Level Format program on the hard disk drive As a last resort before replacing a failing hard disk drive Note For information about backing up all of the files, see the operating-system documentation. 40 Netfinity Server HMM
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