Messages in this thread | | | Date | Tue, 20 Jun 2006 22:17:10 +1000 | From | CaT <> | Subject | Re: 2.6.16.20/dm: can't create more then one snapshot of an lv |
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On Tue, Jun 20, 2006 at 01:55:45PM +0200, Heinz Mauelshagen wrote: > On Tue, Jun 20, 2006 at 09:46:13PM +1000, CaT wrote: > > On Tue, Jun 20, 2006 at 12:02:09PM +0200, Heinz Mauelshagen wrote: > > > How many snapshots active at once ? > > > > 1. I can start more then 1 premade snapshots just fine and use them > > but the moment I add another one a freeze occurs. > > Well, that's fairly few ;)
Yes. I thought so too. :)
> > > I guess this is a kcopyd scalability issue which needs addressing. > > > > Well in the end I'm hoping to get at least 7. Hopefully that's not > > insane. :) > > No, I was assuming, you were trying to activate plenty.
Not yet. Though as I said I plan to max out at 7 or so.
> FYI: the snapshot code in 2.6.17-rc has received a fair amount of fixes > which might help this vs. 2.6.16.20.
I tried 2.6.17 and I get the same issue. Any other kernel you want me to try? I can reboot this box at will at the moment and test.
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