On Friday 23 September 2005 22:24, Tony Godshall wrote: > According to Jim Reith, > > > >Hi, > > > > > >I'm not sure if this has been asked before or if its even possible, > > >but is there any way to mount two HD's to a single mounting point in > > >Linux? I just added a second HD to my mythbox and was hoping there > > >might be a way for /video to point to both of them. Thanks. > > > > > >Azmat > > > > Search for LVM for how to create a multiple disk logical volume > > Also search for "union mounts", a bleeding edge feature in > the 2.6 kernel.
That would not be appropriatefor this use case. The unionfs stacks the disks, and would fill up the first one available with write access, and never actually touch the "lower" disk. LVM or RAID 0 is the way to go for disk concatenation, though he would be better off to get a third drive, and RAID 5 them. This would give him the smallest drives capacity * 2, with resilience if one disk went bad. Funnily enough I have been reading up on the unionfs with the idea that a set of network booting diskless clients would all use a single read-only nfs served OS, with a machine specific read-write filesystem stacked on top. That way you maintain one system instead of 3 or 4. Marry this up to a backend, and you have a single centralized backend and server, then you can hook a new frontend into the network, tell it to network boot, and hey presto, another frontend! -- Steve Boddy
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