Messages in this thread |  | | From | Andrew Theurer <> | Subject | Re: [Announce] device-mapper beta3 (fast snapshots) | Date | Mon, 15 Jul 2002 09:39:15 -0500 |
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On Monday 15 July 2002 03:59, Joe Thornber wrote: > Andrew, > > On Fri, Jul 12, 2002 at 06:21:08PM -0500, Andrew Theurer wrote: > > Thanks for the results. I tried the same thing, but with the latest > > release (beta 4) and I am not observing the same behavior. Your results > > show very little difference in performance when using different chunk > > sizes for snapshots, but I observed a range of 10 to 24 seconds for this > > same test on beta4 (I have also included EVMS 1.1 pre4): > > I must admit your results are strange to say the least, the only > explanation that I can think of at the moment is that you have been > running LVM1. > > Just to reassure me that this is not the case, can you please make > sure that the LVM1 driver is not available, and that your path are not > picking up old LVM1 tools by mistake. There was a time when the tools > were installed in /usr/sbin rather than /sbin.
Joe,
I assure you this is not LVM1. I have both tools installed, but they are under different directories, and my test scripts call them with full paths. I have also done some tracing to verify I am in device-mapper code. Also, the kernel I tested with has only device mapper and evms, no lvm1.
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