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SubjectRe: Ideas for v2.1
Date
Stephen Tweedie (sct@dcs.ed.ac.uk) wrote:
: Elliot Lee <sopwith@redhat.com> writes:
: > On Wed, 12 Jun 1996, DUPRE Christophe wrote:
: >> > Also, I'd like to see the tray locking on CDROMS be a little less
: >> > strict. If there are no open files on a mounted CD, and no process
: >> > has the CD for a current directory, I'd like to be able to open
: >> > the CD tray (without a screwdriver :), put in a new disk, and
: >> > have it be available when I close the tray.
: >>
: >> Even if the CD is mounted ?

: > This problem belongs in userland. Someone needs to make a volume manager
: > like Slowaris has, so that users can take care of this problem.

: Actually, this is exactly what my "supermount" patches do (available
: for 2.0 on linux.dcs.ed.ac.uk in /pub/linux/supermount!). It provides
: truly transparent removable media support for both floppy and cdrom.

: There are a couple of problems with the current release. Only msdos
: and iso9660 filesystems are supported, and the door locking on 2.0
: kernels means that you can't change disks on cdroms for many drives
: which were OK on 1.2. The 0.5 releae of supermount is in progress and
: under testing, and will address these deficiencies.

My concept for changing data CDs is:
say "umount /CD"
watch the tray coming out
fetch the old CD
put down the new CD
say "mount /CD"
watch the tray slipping in
Realized, years ago. You even can let it do by a robot arm. Standard Linux.

Cheers -e
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