RUMP_UDF(8)             NetBSD System Manager's Manual             RUMP_UDF(8)

NAME
     rump_udf -- mount a udf image with a userspace server

SYNOPSIS
     file-system PUFFS
     pseudo-device putter

     rump_udf [options] image mountpoint

DESCRIPTION
     NOTE! This manual page describes features specific to the rump(3) file
     server.  Please see mount_udf(8) for a full description of the available
     command line options.

     The rump_udf utility can be used to mount udf file systems.  It uses
     rump(3) and p2k(3) to facilitate running the file system as a server in
     userspace.  As opposed to mount_udf(8), rump_udf does not use file system
     code within the kernel and therefore does not require kernel support
     except puffs(4).  Apart from a minor speed penalty there is no downside
     with respect to in-kernel code.

     rump_udf does not require using vnconfig(8) for mounts from regular files
     and the file path can be passed directly as the image parameter.  In
     fact, the use of vnconfig(8) is discouraged, since it is unable to prop-
     erly deal with images on sparse files.

     In case the image contains multiple partitions, the desired partition
     must be indicated by appending the token ``%DISKLABEL:p%'' to the image
     path.  The letter ``p'' specifies the partition as obtained via
     disklabel(8).  For example, to mount partition ``e'' from image
     /tmp/wd0.img, use ``/tmp/wd0.img%DISKLABEL:e%''.

     It is recommended that untrusted file system images be mounted with
     rump_udf instead of mount_udf(8).  Corrupt file system images commonly
     cause the file system to crash the entire kernel, but with rump_udf only
     the userspace server process will dump core.

     To use rump_udf via mount(8), the flags -o rump and -t udf should be
     given.  Similarly, rump_udf is used instead of mount_udf(8) if ``rump''
     is added to the options field of fstab(5).

SEE ALSO
     p2k(3), puffs(3), rump(3), mount_udf(8)

HISTORY
     The rump_udf utility first appeared in NetBSD 5.0.

NetBSD 7.0                     November 21, 2010                    NetBSD 7.0

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