On Fri, 19 Nov 2010 17:00:04 +0100, Peter Humphrey wrote about Re: [gentoo-user] migrating disks (from mounts to disklabels:
>On Friday 19 November 2010 14:42:23 Neil Bothwick wrote: >> On Fri, 19 Nov 2010 10:52:50 +0000, Mick wrote: >> > Also primary partitions which he does not seem to be using at all >> > have a slight edge over logical. >> >> Do you have any data on this? I generally use all logical partitions >> but could be persuaded to rethink. > >Well there must be one level of indirection on first access, since the >start of the logical partition has to be looked up in a "primary" >partition, but I can't imagine that being needed more than once per >reboot. Correct. The same applies to LVM2 or EVMS logical volumes: a small "lookup" penalty (a few milliseconds) when the filesystem is first activated/mounted, and as fast as the drive itself thereafter. -- Regards, Dave [RLU #314465] *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* dwn...@ntlworld.com (David W Noon) *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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