On Fri, Jul 8, 2016 at 3:20 PM, Matt Graham <mhgraham@crow202.org> wrote:

On 2016-07-08 13:02, Stephen Partington wrote:

And success. Server is now up with LVMcache and boots nicely.
Very educational!
http://cryptworkslinux.blogspot.com/2016/07/ubuntu-1604-home-server-and-lvm-cache.html

Neat! There are a few problems with having your / on LVM, and this is one of them, but as you found, it's possible to make it all work. I will try this with /home as the cached LV, because my / is on a regular partition on the SSD instead of on an LV. And then see what bonnie++ or a similar benchmark[0] reports for /home before and after the cacheing change.

[0] There are 5 species of mendacity, each worse than the last: Lies, damned lies, statistics, benchmarks, and vendor promises.

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Stephen