Physical Disk Microcode DownloadThis selection is used to update the microcode on any of the disk drives in thearray.You can run this task from the AIX command line. The following usagestatement describes the syntax of the fastpath command:Usage: diag -T "download"Update EEPROMThis selection is used to update the contents of the EEPROM on a selectedcontroller.Replace ControllerUse this selection when it is necessary to replace a controller in the array.Flash SK-NET FDDI FirmwareThis task allows the Flash firmware on the SysKonnect SK-NET FDDI adapter to beupdated.Format MediaThis task allows the selection of diskettes, hardfiles, or optical media to be formatted.Each selection is described below.Hardfile Attached to SCSI Adapter (non-RAID)v Hardfile FormatWrites all of the disk. The pattern put on the disk is device dependent, i.e. somedrives may put all 0s, while some may put hexadecimal number 5F. No bad blockreassignment occursv Hardfile Format and CertifyDoes the same function as Format. After the format is completed, Certify is run. Thiscertify reassigns all bad blocks encountered.v Hardfile Erase DiskThis option can be used to overwrite (remove) all data currently stored inuser-accessible blocks of the disk. The Erase Disk option writes one or morepatterns to the disk. An additional option allows data in a selectable block to be readand displayed on the system console.To use the Erase Disk option, specify the number (0-3) of patterns to be written.Select the patterns to be written; the patterns are written serially. That is, the firstpattern is written to all blocks. Then the next pattern is written to all blocks,overlaying the previous pattern. A random pattern is written by selecting the ″Writerandom pattern?″ option.Note: The Erase Disk service aid has not been certified as meeting the Departmentof Defense or any other organizations security guidelines.The following steps should be followed if the data on the drive is to be overwritten:160 S80 and S85 User’s Guide
