Re: Synchronizing unison files

Thanks for this, Greg,

Previously I was using grsync for backups and unison for syncs, then I 
stopped syncs because moved to a single computer but chose to keep 
unison because of its clear and user-friendly interface, and the 
facility to easily ignore certain elements. The lack of priority to 
reduce inter-version incompatibility of unison is still incomprehensible 
for me, but I have learned to live with it and will now use it to sync 
two nearly identical computers (with big screen for desk us and small 
for travel). For a small-scale application like mine, much better to 
have only one package to worry about. I will exclude ~/.unison as you 
suggest.

Best regards,

     John

Le 13/02/2024 à 15:19, Greg Troxel a écrit :
> John Rose <[email protected]> writes:
>
>> I am synchronizing my Ubuntu home directory to an external SSD and (I
>> guess quite naturally) cannot synchronize unison archive files for the
>> active directory or the unison log file because they change during
>> synchronization. I could ignore the files in the prf (I guess I would
>> need a regular expression for the relevant archives files?) but this
>> would not change anything. Is there any way around this? else I can
>> easily live with it.
> I don't synchronize my homedir, or NFS mount it, because different
> machines need different content, are different OS, etc.  Instead I have
> shared/foo for various foo and synchronize them (varying destinations).
> So that would work.  But here, I am guessing that you are likely
> doing backup rather than "drive the ssd to work and sync it to your
> homedir there", it not being the 90s any more.
>
> unison more or less expects ~/.unison not to be synced.  I would suggest
> that you either:
>
>    simply exclude ~/.unison
>
>    put the contents of ~/.unison someplace outside your homedir and
>    symlink it in (not tested, might misbehave because of something I
>    don't understand).   back it up separately
>
>    exclude the log and the ar/fp files that are for this particular sync,
>    if they point is to back up including backing up the ar/fp used to
>    sync other things to other places
>
>    if what you are doing is making backups, use a backup tool instead of
>    a sync tool, partly because you want history to recover later from
>    undetected loss.  Personally I use bup.
>    
>
-- 
************

                John B. Rose
                1 Bis rue des Châtre-Sacs
                92310 Sèvres, France

                Email: [email protected]

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