greg at gregn.net
Fri May 11 19:58:52 EDT 2018
What kind of raid do you want, striped, mirrored, distributed parity,
or a combination of these? For a striped raid, lvm should be good
enough, though I haven't yet had to replace a lvm disk, so don't know
how well moving extents from one physical volume to another works in
practice, especially if moving from a drive that is failing or has
failed. For the other raid types, I'd suggest using mdadm to create a
/dev/mdx device, put something like ext4 on that, and export with
samba. I don't use /dev/mdx devices anywhere right now, but when I did
use that a long time ago, I remember it handled failing/failed drives
in the array nicely, without needing to rebuild the array. I imagine
it has gotten better than it was over the years if anything.
On Fri, May 11, 2018 at 06:33:36PM -0500, Rob wrote:
> At present I have about 20 tb of bare hard disk. The idea is to consolidate it all in one central location, grouped into an array of some type, be it zfs, lvm/raid, or something else. It can then be accessed by any computer/device on my network, like my phone/tablet, my laptops and my regular desktop computers.
> I want the storage array to be dynamically expandable without having to rebuild everything, which i understand something like Unraid can do. I found out last night that zfs won't let you dynamically expand a raid array without replacing every drive in the pool, so that went out as an option. The hard disks are going to be in esata 4 to 8 bay enclosures.
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