https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206296
Bug ID: 206296
Summary: mt - write protect is not reported in status
Product: Base System
Version: 10.2-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: misc
Assignee: [email protected]
Reporter: [email protected]
The mt command does not show the "write protect" status of a tape. This would
presumably apply to other devices that support write protection, but I cannot
test for that.
You cannot write to write protected tapes (see BID9933), and get an error if
you try - but it is very hard to find the error message if you tar to a write
protected tape using a remote login, and if you use a changer remotely, this is
seriously hard to debug!
So two bugs (possibly feature requests):
1) mt -f /dev/sa0 status
# Should report "Write protected" or "Write enabled" as appropriate
# I tried to implement this myself, but I think it might be easier for someone
else to do it!
2) tar c -f /dev/sa0 file
# should write "Error: target is Write protected" to stderr
# which presumably requires significant design effort, as both cam and tar
# would need changes.
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