Re: Real-time File Replication ... or close to it ...

[Ivan Voras]

Marc G. Fournier wrote:

>> Marc G. Fournier wrote:
>>> Does anyone know of any work being done with FreeBSD to do the above?  I 
>>> know
>>> about ggate/gmirror, but that is at the file system / kernel level ... I'd
>>> like to do something at the userland level, or something that combines the
>>> two ...
>> I have TDFS (http://tdfs.sourceforge.net/) and a Google SoC proposal for
>> either/both TDFS and a kernel-level module.
> 
> This looks *most* cool ... but, seems to have stalled around Jan 13th, '06 
> ... ?

Yes :( I got a new job somehere around that time and couldn't find free
time to work on it. If I get the SoC project (or another sponsor - I'm
open to proposals), I'll go ahead and finish it properly.

For now, it mostly works, the TODO list includes recovery when the
connection breaks, initial synchronization, more robust operation and
possibly some optimizations here and there. If you want to test it, go
ahead - it (probably) won't do any harm to your data.



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Re: Real-time File Replication ... or close to it ...

[Marc G. Fournier]

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- --On Sunday, March 25, 2007 19:23:48 +0200 Ivan Voras <[EMAIL PROTECTED]> 
wrote:

> Marc G. Fournier wrote:
>>
>> Does anyone know of any work being done with FreeBSD to do the above?  I know
>> about ggate/gmirror, but that is at the file system / kernel level ... I'd
>> like to do something at the userland level, or something that combines the
>> two ...
>
> I have TDFS (http://tdfs.sourceforge.net/) and a Google SoC proposal for
> either/both TDFS and a kernel-level module.

This looks *most* cool ... but, seems to have stalled around Jan 13th, '06 ... ?

- 
Marc G. Fournier   Hub.Org Networking Services (http://www.hub.org)
Email . [EMAIL PROTECTED]  MSN . [EMAIL PROTECTED]
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Re: Real-time File Replication ... or close to it ...

[Ivan Voras]

Marc G. Fournier wrote:
> 
> Does anyone know of any work being done with FreeBSD to do the above?  I know
> about ggate/gmirror, but that is at the file system / kernel level ... I'd 
> like
> to do something at the userland level, or something that combines the two ...

I have TDFS (http://tdfs.sourceforge.net/) and a Google SoC proposal for
either/both TDFS and a kernel-level module.



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Real-time File Replication ... or close to it ...

[Marc G. Fournier]

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Does anyone know of any work being done with FreeBSD to do the above?  I know 
about ggate/gmirror, but that is at the file system / kernel level ... I'd like 
to do something at the userland level, or something that combines the two ...

For instance, I found this article from back in '01 by someone that had 
developed a 'Linux kernel module' that "a linux kernel module that reports all 
file operations to a device special, and a userspace daemon which can take 
arbitray shell action on files matching regexp rules specified in a config 
file."
 - 


So, at least in this case, the REGEX could look for a specific top level 
directory and work on any files reported underneath it, ignoring the rest ...

Do we have anything similar to that, or does anyone know of something that 
works with FreeBSD 6.x to get to the same results?

- 
Marc G. Fournier   Hub.Org Networking Services (http://www.hub.org)
Email . [EMAIL PROTECTED]  MSN . [EMAIL PROTECTED]
Yahoo . yscrappy   Skype: hub.orgICQ . 7615664
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