> Hi there,
> 
> I think I have managed to confuse myself so i am
> asking outright hoping for a straight answer. 
> 
> First, my situation. I have several disks of varying
> sizes I would like to run as redundant storage ina
> file server at home. Performance is not my number one
> priority, largest capacity possible while allowing
> for a single disk failure. Is there a soluton to my
> problem?
> 
> My understanding is as follows, JBOD does not protect
> from a disk failure. 
> 
> Raidz can only be as big as your smallest disk. For
> example if I had a 320gig with a 250gig and 200gig I
> could only have 400gig of storage.
> 
> I know it's not exactly an enterprise level question
> but it would help my understanding a lot. 
> 
> I just want to be sure that buying new disks of equal
> size is not my only option to have a proper raidz
> configuration. 
> 
> thanks.

This is a good post for the help forum. :)

Firstly, maybe you should mention what size disks you have :)

Secondly, to protect from disk failure, you either mirror them or stripe them 
with parity.  So mirror or raid5 (raidz with zfs).  You can do these in 
opensolaris sxce as well as bsd (freenas), linux (openfiler), or windows.  
Either way you can create a RAID5/raidz with the drives and use excess space as 
non-redundant storage.  So pick your poison!
 
 
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