diff options
| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 15:32:58 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 15:32:58 -0400 |
| commit | 5cb84ec742fd33f78c8022863fadaa8d0d93e176 (patch) | |
| tree | 1a81ca3665e6153923e40db7b0d988f8573ab59c /static/netbsd/man4/ch.4 | |
| parent | a59214f344567c037d5776879bcfc5fcc1d4d5f6 (diff) | |
feat: Added NetBSD man pages
Diffstat (limited to 'static/netbsd/man4/ch.4')
| -rw-r--r-- | static/netbsd/man4/ch.4 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/static/netbsd/man4/ch.4 b/static/netbsd/man4/ch.4 new file mode 100644 index 00000000..65a11749 --- /dev/null +++ b/static/netbsd/man4/ch.4 @@ -0,0 +1,50 @@ +.\" $NetBSD: ch.4,v 1.3 2001/09/12 18:19:16 wiz Exp $ +.\" +.Dd June 10, 1998 +.Dt CH 4 +.Os +.Sh NAME +.Nm ch +.Nd SCSI media changer driver +.Sh SYNOPSIS +.Cd "ch* at scsibus? target ? lun ?" +.Sh DESCRIPTION +The +.Nm +driver is essentially an +.Xr ioctl 2 +interface to a robot on a +.Tn SCSI +bus - a device that will change media (e.g. tapes, CD-ROMs, etc) +in and out of drives for that media. +The +.Xr chio 1 +utility program uses this interface to manipulate such robots. +.Sh FILES +.Bl -tag -width /dev/rsdXXXXX -compact +.It Pa /dev/ch Ns Ar u +.Tn SCSI +bus media changer unit +.Ar u +.El +.Pa /usr/include/sys/chio.h +.Sh DIAGNOSTICS +.Bl -diag +.It "ch%d: waiting %d seconds for changer to settle..." +Some changers require a long time to settle out, +to do tape inventory, for instance. +.It "ch%d: offline" +The changer is not responding. +.It "ch%d: warning, READ ELEMENT STATUS avail != count" +.It "ch%d: could not sense element address page" +.It "ch%d: could not sense capabilities page" +.El +.Sh SEE ALSO +.Xr chio 1 , +.Xr ioctl 2 , +.Xr cd 4 , +.Xr intro 4 , +.Xr scsi 4 , +.Xr st 4 +.Sh AUTHORS +.An Jason R. Thorpe |
