Re: [Moosefs-users] (no subject)

[Davies L. <dav...@gm...>]

On Tue, Jul 9, 2013 at 1:51 PM, Aleksey Silk <al...@si...> wrote:
> Hello!
>
> How do you guys start mfsmaster in linux?

> Now I use this script:
>
> root@am-01:/etc/init.d# cat mfsmaster
> #!/bin/sh
>
> DAEMON=/usr/sbin/mfsmaster
> PIDFILE=/var/lib/mfs/.mfsmaster.lock
>
> do_start () {
>     echo "Starting MFS Master service."
>     start-stop-daemon --start --exec $DAEMON --pidfile $PIDFILE
>
> }
>
> do_stop () {
>     echo "Stopping MFS Master service."
>     start-stop-daemon --stop --exec $DAEMON
>     rm $PIDFILE
> }
>
> do_restart () {
>     echo "Restarting MFS Master service."
>     do_stop
>     do_start
> }
>
> case "$1" in
>
> start)
>         do_start
>     ;;
>
> stop)
>         do_stop
>     ;;
>
> restart)
>         do_restart
>     ;;
>
> *)
>     echo "Usage: /etc/init.d/mfsmaster {start|stop|restart}"
>     exit 1
>     ;;
>
> esac
> exit 0
>
> But sometimes it fails to start and I have 2 metadata.mfs.back files and it
> fails to start due there is not metadata.mfs

You should use mfsmetarestore to restore meatdata.mfs from
metadata.mfs.back and changelogs.

if [ ! -f /var/lib/mfs/metadata.mfs ] ; then
        /usr/sbin/mfsmetarestore -a
fi

Or you could try my fork (based on 1.6.27) [1], it will try to restore
meta automatically when start.

[1] https://github.com/davies/moosefs, which

> Maybe I'm doing something wrong or it is time to patch some source ...
>
>
>
>
>
>
> С уважением, Алексей Силк
> With best regards, Aleksey Silk
>
> +7 (981) 849-12-36
> al...@si...
> skype - rootiks
>
>
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--
 - Davies