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2.6.0, devmapper, LVM2 snapshots

linux-lvm David B Harris 2 participants 3 messages Dec 21, 2003

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Hey folks :) First and foremost, thanks for the great work that is devmapper and LVM2. Been using it for a good long while now and I've been quite happy with it.

I'm playing around with stock 2.6.0, checking things out, giving it a good prod, and I found that creating a snapshot isn't possible. What's more, I couldn't remove it. I couldn't even access any (uncached) data on the filesystems therein. I rebooted, and they wouldn't mount at that point. I was eventually able to remove the faulty snapshot(s) and mount the other filesystems, but only after a reboot to init=/bin/sh

It was something of a scary event ;) Is this a known problem that people are working on, or are you fellas in need of a good reproducible test case? (I'd rather avoid breaking my machine, but if it's an unreported problem that others can't easily reproduce, I'd be more than willing to.)

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Quoted 5 lines · On Sat, 20 Dec 2003 21:59:01 -0500 David B Harris <[email protected]>…

It was something of a scary event ;) Is this a known problem that people are working on, or are you fellas in need of a good reproducible test case? (I'd rather avoid breaking my machine, but if it's an unreported problem that others can't easily reproduce, I'd be more than willing to.)

I forgot to mention, I'm not subscribed to the list, so please Cc: me. Thanks.

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In reply to David B Harris
Quoted 2 lines · David B Harris

I'm playing around with stock 2.6.0, checking things out, giving it a good prod, and I found that creating a snapshot isn't possible.

Snapshots are not yet supported in stock 2.6.
There are snapshot patches you can test on Joe's web page (see README).

Alasdair

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