ggatec(8)

NAME

ggatec - GEOM Gate network client and control utility

SYNOPSIS

ggatec create [-n] [-v] [-o ro | wo  |  rw]  [-p  port]  [-q
queue_size]
       [-R  rcvbuf] [-S sndbuf] [-s sectorsize] [-t timeout]
[-u unit]
       host path
ggatec rescue [-n] [-v] [-o ro | wo  |  rw]  [-p  port]  [-R
rcvbuf]
       [-S sndbuf] -u unit host path
ggatec destroy [-f] -u unit
ggatec list [-v] [-u unit]

DESCRIPTION

The ggatec utility is a network client for GEOM Gate class.

It is
responsible for creation of ggate devices and forwarding I/O

requests
between geom_gate.ko kernel module and ggated(8) network

daemon. Available commands:

create Connect to given ggated(8) daemon and create a

ggate

provider related to the given remote file or

device.

rescue If ggatec process died/has been killed, you can

save situa

tion with this command, which creates new con

nection to the
ggated(8) daemon and will handle pending and

future
requests.

destroy Destroy the given ggate provider.

list List ggate providers.

Available options:

-f Forcibly destroy ggate provider (can

cels all pend

ing requests).

-n Do not use TCP_NODELAY option on TCP

sockets.

-o ro | wo | rw Specify permission to use when open

ing the file or

device: read-only (ro), write-only

(wo), or readwrite (rw). Default is rw.

-p port Port to connect to on the remote

host. Default is

3080.

-q queue_size Number of pending I/O requests that

can be queued

before they will start to be can

celed. Default is
1024.

-R rcvbuf Size of receive buffer to use. De

fault is 131072

(128kB).

-S sndbuf Size of send buffer to use. Default

is 131072

(128kB).

-s sectorsize Sector size for ggate provider. If

not specified,

it is taken from device, or set to

512 bytes for
files.

-t timeout Number of seconds to wait before an

I/O request

will be canceled. 0 means no time

out. Default is
0.

-u unit Unit number to use.

-v Do not fork, run in foreground and

print debug

informations on standard output.

host Remote host to connect to.

path Path to a regular file or device.

EXIT STATUS

Exit status is 0 on success, or 1 if the command fails. To

get details
about the failure, ggatec should be called with the -v op

tion.

EXAMPLES

Made use of CD-ROM device from remote host.

server# cat /etc/gg.exports
client RO /dev/acd0
server# ggated

client# ggatec create -o ro server /dev/acd0
ggate0
client# mount_cd9660 /dev/ggate0 /cdrom

SEE ALSO

geom(4), ggated(8), ggatel(8), mount_cd9660(8)

AUTHORS

The ggatec utility as well as this manual page was written

by Pawel Jakub
Dawidek <pjd@FreeBSD.org>.

BSD April 26, 2004

BSD