LVM2, if you can't grok snapshots, don't back them up!

So, routine mainenance, kernel upgrade, reboot. It's a Linux box...

Reboots without half terabyte storage system mounted. It's managed under LVM2 and I expect a /dev/maildata/spool file... Nope.

I've had some scary run ins with LVM, but have yet to loose anything. MD (metadevice stuff under Linux) is a whole other story, I've had it "do thing" that it shouldn't have and lost hosts of data. I don't like md. So, with confidence, let's see if we can't tackle this LVM2 issue...


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