Re: [dm-devel] DM Performance

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On Thu, Apr 07, 2005 at 02:29:20PM +0200, Tom Parker wrote:
> 1) Is there any limit on the size of a mapping table? Can hand over a table 
> with 30,000+ entries and expect DM to still work?

Yes, but you might hit hard-coded libdevmapper limit.

> 2) Is there any significant performance degredation with large tables?

Should not be.

> 3) As I understand it, DM stores the mapping tables itself somehow, in a 
> way that is persistant across reboots. 

No, that's one thing lvm2, multipath-tools etc. are for.

Alasdair
-- 
agk@xxxxxxxxxx


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