[asterisk-users] Re: Voicemail on Different Server, Voicemail with NFS

[JR Richardson]

> -----Original Message-----
> From: JR Richardson [mailto:jmr.richardson at gmail.com]
> Sent: Saturday, June 17, 2006 2:30 PM
> To: asterisk-users at lists.digium.com; Douglas Garstang
> Subject: Voicemail with NFS (working, I think)
> 
> I'm using a stand-alone VM server and exporting the VM files ro for
> MWI function only.  All my registration servers mount the remote NFS
> share just to check MWI, all read-write functions to the VM files
> occur on the VM server only.
> 
> On the registration servers, I mounted the remote VM share with this
> in my fstab.conf:
> 
> 10.10.14.124:/var/spool/asterisk/voicemail      /mnt/vmserver   nfs
>  soft,nolock,timeo=1,retrans=1,bg,intr
> 
> all on one line of course
> 
> [10.10.14.124:/var/spool/asterisk/voicemail] is the voicemail server
> and [/mn/vmserver] is the mounted location, [nfs] is the file system
> type,
> 
> options: (the important stuff)
> [soft] If  an NFS file operation has a major timeout, then report an
> I/O error to the calling program.  The default is to continue
> retrying  NFS  file  operations indefinitely.
> [nolock] does not use locking.
> [timeo=1] redces the nfs share minor timeouts to 1 tenth of a second
> [retrans=1] reduces the number of minor timeouts and retransmitts
> needed to cause a major timeout.
> [bg] background the re-mount operation
> [intr] interupt the nfs file operation for the calling program when a
> major timeout occurs
> 
> When mounting the nfs without these options, Asterisk became
> immediately unstable when the remote nfs dropped off-line, but also
> regained is operation immediately when the nfs became available again.
> 
> When mouting the nfs with these options, asterisk kept on ticking
> without interruption, WMI was unavailable of course, but all other
> functions worked.  The MWI came back on immediately after the nfs
> share was restored.
> 
> Of course this is a hack and I'm patiently waiting for Digium to
> implement the Remote MWI over IAX and incorporate into stable
> releases.
> 
> Hope this helps.
> 
> JR
> 
> --
> JR Richardson
> Engineering for the Masses