[mythtv-users] Compile and Share?

Raymond Wagner raymond at wagnerrp.com
Fri Mar 28 08:29:01 UTC 2014

On 3/28/2014 1:04 AM, Mike Carron wrote:
> On 3/27/2014 2:45 PM, Raymond Wagner wrote:
>> On Mar 27, 2014, at 15:46, jedi <jedi at mishnet.org> wrote:
>>> On Thu, Mar 27, 2014 at 04:43:50PM -0400, Greg Thompson wrote:
>>>> I have 3 front ends that are Atom Based processors with GT610M 
>>>> graphic cards. I run xubuntu 13.10 on all front ends and the 
>>>> backend and compile myth/fixes.27 on my own for my system. Is there 
>>>> a way to:
>>>> 1. Compile Myth on my Server/Backend and then copy the compiled 
>>>> binaries to the front ends without rebuilding?
>>>> 2. If #1 is not possible, compile Myth on 1 of the front ends and 
>>>> copy the complied binaries to the other systems?
>>>     You can even share the same copy of the myth binaries with NFS 
>>> if you want.
>>>     All of my ION frontends are setup in this manner.
>> I do the same thing for my frontends, except using iSCSI. There's one 
>> base disk image that gets periodically updated, cloned for the 
>> various frontends, and then those frontends rsync an overlay of 
>> configs the first time they boot into the new image.
> Is there a Wiki or other instruction somewhere that explains how to 
> make that happen? I assume a CIFS share would also work.

CIFS and POSIX operating systems just really don't mesh well.  They can 
be made to use in combination to some degree, but I can only imagine 
trying to use a CIFS share for boot would end badly. Usually, one would 
use NFS rather than CIFS, as NFS is actually modeled off of POSIX 
filesystem structuring.

iSCSI is inherently different from NFS or CIFS.  NFS and CIFS are 
filesystems.  iSCSI is a network block device, similar to ATAOE or 
Linux's NBD.  You share a disk or disk image over the network, and then 
mount and use a traditional filesystem found on that.  I have a partial 
writeup on the wiki, but be aware that typically when people do iSCSI 
boot, it is done with a physical initiator (SCSI controller) rather than 
a software one like the page below describes.  NFS boot is a much more 
straight forward process.


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