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Old 10-28-2005, 11:32 AM   #1
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Registered: Jul 2005
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Please Help, Linux mysql nfs : Bind on unix socket: Function not implemented

Hi everybody

Thanks to read this thread and help me if you can

I have installed Mysql on red hat ES release 3 and i was working great.

For my applications, I decided to to put the data directory on another machine. The other machine is a big disk of storage (Adaptec snap server 1 terabyte)
It working great for all applications except Mysql

In fact, i put /var/lib/mysql on another machine and I made a nfs mount

When i try to start mysql i have this :

/etc/rc.d/init.d/mysqld start
Timeout error occurred trying to start MySQL Daemon.
Starting MySQL: [FAILED]

in the error message i have this

051028 11:12:33 mysqld started
051028 11:12:33 Can't start server : Bind on unix socket: Function not implemented
051028 11:12:33 Do you already have another mysqld server running on socket: /var/lib/mysql/mysql.sock ?
051028 11:12:33 Aborting

051028 11:12:33 /usr/libexec/mysqld: Shutdown Complete

051028 11:12:33 mysqld ended

I have verified the permission and everything seems to be ok

I can not find what it is wrong so suggestions are welcome !
Old 10-29-2005, 01:52 PM   #2
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Registered: Jun 2004
Posts: 2,553

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while i can't follow exactly what you said local UNIX-domain sockets are different than remote Internet-domain ones
local sockets are sun_family AF_LOCAL/AF_UNIX and since they are local they only require a file path like
only processes running on the same machine can compunicate with a local namespace socket.

sockets connecting proceses over a network connection of any kind would have to be family PF_INET
and require aditional features like network transmition protocols machine names port numbers and junk like that.

this is from the bind() api description (BSD)
[ENOSYS] 	Function not implemented.

This error code is only returned on sockets that use the AF_UNIX or AF_UNIX_CCSID or AF_UNIX_CCSID address family.
not that that is alot of help but it does point to the fact that the function call is trying to implement a local not network socket.

Last edited by foo_bar_foo; 10-29-2005 at 03:38 PM.


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