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Difference between revisions of "NEXTSTEP PLIFloppyInit"
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Latest revision as of 16:17, 13 January 2022
PLI External SCSI Floppy Drive format boot block extends beyond front porch
Q: When I try to format a floppy disk with my external SCSI floppy drive, it fails and shows an alert panel that says "Cannot initialize disk. See console for errors." In the console I see this message if it is a new unformatted disk:
/usr/etc/disk -i -h localhost -l "UntitledDisk" /dev/rsd1a Target 5: MEDIA ERROR; block 0H retry 1 Target 5: MEDIA ERROR; block 0H retry 2 Target 5: MEDIA ERROR; block 0H retry 3 Target 5: MEDIA ERROR; block 0H retry 4 Target 5: MEDIA ERROR; block 0H retry 5 Target 5: MEDIA ERROR; block 0H retry 6 Target 5: MEDIA ERROR; block 0H retry 7 Target 5: MEDIA ERROR; block 0H retry 8 Target 5: MEDIA ERROR; block 0H retry 9 sd1 (5,0): sense key:0x3 additional sense code:0x12 SCSI Block in error = 0 (no valid label) Read of sector 0 failed
If the disk have been formatted and you try to re-initialize the disk, you will see this message in the console:
/usr/etc/disk -i -h localhost -l "UntitledDisk" /dev/rsd1a disk name: PLI SUPER FLOPPY disk type: removable_rw_scsi device = /dev/rsd1a block size = 512 capacity = 1 MBytes Disk Format in progress... ***Format Complete*** writing disk label boot block extends beyond front porch
How can I initialize floppy disks.
This assumes your external SCSI floppy drive is at sd1.
You must be logged in as, or su'd to root.
localhost:18# sdform /dev/rsd1a device = /dev/rsd1a block size = 512 capacity = 1 MBytes ***FORMATTING THIS DISK CAUSES ALL DISK DATA TO BE LOST*** This will take approximately 5 minutes. Do you wish to proceed? (Y/anything) Y Disk Format in progress... ***Format Complete*** localhost:19# disk /dev/rsd1a disk name: PLI SUPER FLOPPY disk type: removable_rw_scsi Disk utility disk> label label information: print, write? write enter host name: localhost enter disk label: UntitledDisk writing disk label disk> quit localhost:20# newfs /dev/rsd1a setting optimization for space with minfree less than 10 Warning: 12 sector(s) in last cylinder unallocated /dev/rsd1a: 1392 sectors in 78 cylinders of 2 tracks, 9 sectors 1.4Mb in 5 cyl groups (16 c/g, 0.29Mb/g, 64 i/g) super-block backups (for fsck -b#) at: 16, 320, 592, 896, 1168, localhost:21# disk -e /dev/rsd1a disk name: PLI SUPER FLOPPY disk type: removable_rw_scsi localhost:22#
Valid: 3.1, 3.2 68K.