DISK-MM: Difference between revisions
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* Micropolis 1375 SCSI disk drive | * Micropolis 1375 SCSI disk drive | ||
* CDC EMD 97201 SCSI disk drive | * CDC EMD 97201 SCSI disk drive | ||
(valid for DISK-MM-B00) | (valid for DISK-MM-B00). From [[ND-210523I]] program description: DISK-MM "is now able to format SCSI disks not delivered by ND". | ||
== Commands == | == Commands == | ||
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; B00 : found on [[ND-210523G]] | ; B00 : found on [[ND-210523G]] | ||
; B01 : found on [[ND-210523H]] | ; B01 : found on [[ND-210523H]] | ||
; C01 : mentioned on the [[ND-100 Satellite 14.16796]] page. | |||
== References == | == References == | ||
Latest revision as of 12:26, 19 August 2024
DISK-MM.
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Description
The DISK Media Maintenance program is used to format, initialize and verify SCSI disks connected to the ND-100 SCSI host adaptor[1].
Target Devices
The program is designed to handle the
- Micropolis 1375 SCSI disk drive
- CDC EMD 97201 SCSI disk drive
(valid for DISK-MM-B00). From ND-210523I program description: DISK-MM "is now able to format SCSI disks not delivered by ND".
Commands
>SELECT-DEVICE <Adaptor> <Id number>
This command will select a device for use by other commands. Commands that uses a device for operations will ask for it if it is not defined by this command.
Legal answers for adaptor are:
- Adaptor name (ADAPTOR-n, n=1:4).
- Adaptor number (1:4).
- Logical device number for adaptors data field (2202B:2205B).
- Hardware device number for adaptor (144300B, 144400B, 144500B, 144600B).
Legal answers for ID numbers are 0:7. ID number 7 is normally the SCSI host adaptor, and ID 0 is normally equivalent to "DISC-SCSI-1" which is the boot disk.
The default adaptor is "ADAPTOR-1" or the last selected adaptor, and the default ID is "0" or the last selected ID number.
>CONVERT-DISK-ADDRESS <Address type> <Address>
This command will convert a disk to different address modes and and numeric systems.
The address type could be "Media", "Logical-SINTRAN" or "page".
- Media address
- A media address is the address used on basis of the disk drives sector size.
- Logical-SINTRAN
- A logical-SINTRAN is the address used on basis of SINTRAN's block size, which always is 1024 bytes/sector.
- Page
- A page address is the address used on basis of SINTRAN filesystem's block size, which always is 2048 byte/sector.
>FORMAT-INITIALIZE
Formats and initializes the disk.
Special for Micropolis 1375:
Before format starts, MODE-SENSE default page 3 and 4 is set to current, and cylinder skew and track skew is optimized.
>INITIALIZE
Prepares the disk for use under SINTRAN.
>LIST-DISK-INFORMATION
This command will print out various static and dynamic information concerning the selected disk.
>LIST-PARAMETERS
This command will print out the setting of all parameters available in the command "SET-PARAMETERS".
>LIST-REASSIGN-TABLE
This command will print out all sectors reassigned with the command "REASSIGN". The sectors is listed in historical order.
>LIST-REFRESH-TABLE
This command will print out all sectors refreshed with the command "REFRESH-DATA". The sectors is listed in historical order.
>REASSIGN <Media address>
This command will reassign one single sector and its data on the disk to a different physical area, but to the same logical area.
>REFRESH-DATA <Media address>
This command will try to read one sector and write it back trying to cure temporary parity errors.
>SET-PARAMETERS <Parameter> <Value>
>VERIFY <From> <To>
Data verification. The addresses are given in media blocks. Default range: <0, LastBlock>.
See also
Known versions
- B00
- found on ND-210523G
- B01
- found on ND-210523H
- C01
- mentioned on the ND-100 Satellite 14.16796 page.
References
- ↑ ND-210523G program description, page 15