[Unionfs] Using UnionFS on many many filesystems

Shaya Potter spotter at cs.columbia.edu
Tue Mar 11 14:49:09 EDT 2008


In research I'm doing I have over 400 branches unioned together. 
lookup() performance isn't that great, but it works well enough.

Fabian, Andy wrote:
> Are there any hard limits on the number of filesystems that can be 
> joined concurrently into a single UnionFS filesystem?  Are there any 
> performance characteristics that drop more than linearly as the number 
> of source filesystems increase?
> 
>  
> 
> I’m thinking of using UnionFS in a backup system, to join potentially 
> hundreds of incremental backups together.  Is there any reason this 
> shouldn’t work?
> 
>  
> 
> Thanks,
> 
>  
> 
> Andrew Fabian
> 
> System Admin
> 
> Library Systems
> 
> Virginia Tech
> 
> Blacksburg, Virginia
> 
> (540)231-6383
> 
> afabian at vt.edu
> 
>  
> 
> 
> ------------------------------------------------------------------------
> 
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