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geom_uzip (4)
>> geom_uzip (4) ( FreeBSD man: Специальные файлы /dev/* )
BSD mandoc
NAME
geom_uzip
- GEOM based compressed disk images
SYNOPSIS
To compile this driver into the kernel,
place the following line in your
kernel configuration file:
options GEOM_UZIP
Alternatively, to load the driver as a
module at boot time, place the following line in
loader.conf5:
geom_uzip_load="YES"
DESCRIPTION
The
framework provides support for compressed read only
disk images.
This allows significant storage savings at the expense of
a little CPU time on each read.
Data written in the GEOM label area allows
to detect compressed images which have been created with
mkuzip(8)
and presented to the kernel as a logical disk device via
md(4).
creates a unique
md#.uzip
device for each image.
The
device is subsequently used by the
Fx kernel to access the disk images.
The
driver does not allow write operations to the underlying disk image.
To check which
md(4)
devices match a given
device:
