From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001 From: fishsoupisgood Date: Mon, 29 Apr 2019 01:17:54 +0100 Subject: Initial import of qemu-2.4.1 --- qemu-nbd.texi | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 qemu-nbd.texi (limited to 'qemu-nbd.texi') diff --git a/qemu-nbd.texi b/qemu-nbd.texi new file mode 100644 index 00000000..46fd483e --- /dev/null +++ b/qemu-nbd.texi @@ -0,0 +1,85 @@ +@example +@c man begin SYNOPSIS +usage: qemu-nbd [OPTION]... @var{filename} +@c man end +@end example + +@c man begin DESCRIPTION + +Export QEMU disk image using NBD protocol. + +@c man end + +@c man begin OPTIONS +@table @option +@item @var{filename} + is a disk image filename +@item -p, --port=@var{port} + port to listen on (default @samp{10809}) +@item -o, --offset=@var{offset} + offset into the image +@item -b, --bind=@var{iface} + interface to bind to (default @samp{0.0.0.0}) +@item -k, --socket=@var{path} + Use a unix socket with path @var{path} +@item -f, --format=@var{format} + Set image format as @var{format} +@item -r, --read-only + export read-only +@item -P, --partition=@var{num} + only expose partition @var{num} +@item -s, --snapshot + use @var{filename} as an external snapshot, create a temporary + file with backing_file=@var{filename}, redirect the write to + the temporary one +@item -l, --load-snapshot=@var{snapshot_param} + load an internal snapshot inside @var{filename} and export it + as an read-only device, @var{snapshot_param} format is + 'snapshot.id=[ID],snapshot.name=[NAME]' or '[ID_OR_NAME]' +@item -n, --nocache +@itemx --cache=@var{cache} + set cache mode to be used with the file. See the documentation of + the emulator's @code{-drive cache=...} option for allowed values. +@item --aio=@var{aio} + choose asynchronous I/O mode between @samp{threads} (the default) + and @samp{native} (Linux only). +@item --discard=@var{discard} + toggles whether @dfn{discard} (also known as @dfn{trim} or @dfn{unmap}) + requests are ignored or passed to the filesystem. The default is no + (@samp{--discard=ignore}). +@item -c, --connect=@var{dev} + connect @var{filename} to NBD device @var{dev} +@item -d, --disconnect + disconnect the specified device +@item -e, --shared=@var{num} + device can be shared by @var{num} clients (default @samp{1}) +@item -f, --format=@var{fmt} + force block driver for format @var{fmt} instead of auto-detecting +@item -t, --persistent + don't exit on the last connection +@item -v, --verbose + display extra debugging information +@item -h, --help + display this help and exit +@item -V, --version + output version information and exit +@end table + +@c man end + +@ignore + +@setfilename qemu-nbd +@settitle QEMU Disk Network Block Device Server + +@c man begin AUTHOR +Copyright (C) 2006 Anthony Liguori . +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +@c man end + +@c man begin SEEALSO +qemu-img(1) +@c man end + +@end ignore -- cgit v1.2.3