dan@hrc.UUCP (Dan Troxel VP) (07/31/88)
I use a CT S-640 with a Kennedy 9400 for backup. My question is, how do I format the tape for mounting???? (hope this the appropriate area to post to.)
chris@mimsy.UUCP (Chris Torek) (08/02/88)
In article <299@hrc.UUCP> dan@hrc.UUCP (Dan Troxel VP) writes: >I use a CT S-640 with a Kennedy 9400 for backup. >My question is, how do I format the tape for mounting???? 9-track tapes are `formatted' by being written; indeed, tape controllers are often called `formatters'. -- In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163) Domain: chris@mimsy.umd.edu Path: uunet!mimsy!chris
jfh@rpp386.UUCP (John F. Haugh II) (08/05/88)
In article <12781@mimsy.UUCP> chris@mimsy.UUCP (Chris Torek) writes: >In article <299@hrc.UUCP> dan@hrc.UUCP (Dan Troxel VP) writes: >>I use a CT S-640 with a Kennedy 9400 for backup. >>My question is, how do I format the tape for mounting???? > >9-track tapes are `formatted' by being written; indeed, tape controllers >are often called `formatters'. on the off chance he wants to know the data layout (other meaning of format), the tape has to have a superblock and inode list the same way a disk or ram based file system does. there are two ways to achieve this: create a file system on disk or in a ramdisk, then copy the entire device onto tape. this can be a real waste of space on the tape ;-( an alternate method is to use the file system prototype feature of mkfs to put the files on the device. make a prototype and output it onto the tape. you have to use the block structured device rather than the raw file system. also, you can't mount the file system read/write since you will trash the tape on the first file access when the tape's ilist is updated. -- John F. Haugh II +--------- Cute Chocolate Quote --------- HASA, "S" Division | "USENET should not be confused with UUCP: killer!rpp386!jfh | something that matters, like CHOCOLATE" DOMAIN: jfh@rpp386.uucp | -- apologizes to Dennis O'Connor