[geeks] Thoughts? (Cheap NAS with nice feature set)

[Patrick Giagnocavo]

Shannon Hendrix wrote:
>>
>> ZFS = no (or limited) disasters.  Everything is checksummed and you 
>> can run a command that will check the checksums anytime you like while 
>> the system is running and the fs is still mounted r/w.
> 
> On a single drive, does it give you anything protection wise?

It will do the checksums, so if a cable is wonky or the controller is 
bad you can tell.

> I was hoping that maybe if a drive went bad, you could install another 
> on USB/Firewire/whatever and add it to the pool with the failing drive, 
> and migrate data to it without creating a new pool and copying data to 
> new filesystems.
> 

You can do something like this, yes.  The "zfs send" command lets you 
move a filesystem around as well.  Or I think you could make it a 
mirror, let it sync, then disconnect and use just the one drive.

--Patrick