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solamour
l33t
Joined: 21 Dec 2004
Posts: 726
Location: San Diego, CA
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 Posted: Mon Sep 26, 2011 10:07 pm Post subject: [Solved] How to setup nbd server config? |
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I'm able to use nbd with the following commands.
| server: | | nbd-server 2000 /tmp/file -d |
| client: | | nbd-client SERVER_IP 2000 /dev/nbd0 |
But whenever I start the server, I see the following warning message.
| warning: | ** (process:9104): WARNING **: Specifying an export on the command line is deprecated.
** (process:9104): WARNING **: Please use a configuration file instead. |
So I created the config file.
| /etc/nbd-server/config: | [generic]
[export]
exportname = /tmp/file
port = 2000
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But when I do "nbd-server -d", the port 2000 is not open (at least not showing in "netstat -a"), and the client isn't able to connect. Please guide me what to look for. Thank you.
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sol
Last edited by solamour on Tue Sep 27, 2011 10:07 pm; edited 1 time in total |
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solamour
l33t
Joined: 21 Dec 2004
Posts: 726
Location: San Diego, CA
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| Posted: Tue Sep 27, 2011 5:34 pm Post subject: |
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I just noticed that the configuration file described in the previous post (i.e. "/etc/nbd-server/config") works perfectly in Ubuntu 11.04, which has nbd 2.9.16-7.1ubuntu2, whereas Gentoo's latest is 2.9.22. I'm not sure the version difference is the cause of the problem, though.
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sol |
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solamour
l33t
Joined: 21 Dec 2004
Posts: 726
Location: San Diego, CA
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| Posted: Tue Sep 27, 2011 10:07 pm Post subject: |
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It turned out that 2.9.17 or later requires "oldstyle" flag in order to be compatible with the older versions. Perhaps that's why Ubuntu sticks with 2.9.16 as of 11.04 release. When I added the required flag, everything worked as expected.
| /etc/nbd-server/config: | [generic]
oldstyle = true <--
[export]
exportname = /tmp/file
port = 2000 |
If you want to use the "new" style in 2.9.17 or later, remove both "oldstyle" and "port". The default port 10809 will be used.
| /etc/nbd-server/config: | [generic]
[export]
exportname = /tmp/file |
From the client side, you need to provide the name of export.
| client: | | nbd-client SERVER_IP /dev/nbd0 -name export |
I must say that everything was clearly laid out in the manual page, but the examples there were somewhat misleading.
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