Re: lvm on raidframe rcorder

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

hi,

> On Mon, 4 Oct 2010 10:55:14 -0400
> Thor Lancelot Simon <tls%panix.com@localhost> wrote:
> 
>> On Mon, Oct 04, 2010 at 09:00:25AM +0200, Adam Hamsik wrote:
>> > 
>> > On Oct,Sunday 3 2010, at 1:33 PM, matthew sporleder wrote:
>> > 
>> > > On Sun, Oct 3, 2010 at 3:18 AM, Michael van Elst 
>> > > <mlelstv%serpens.de@localhost> wrote:
>> > >> haaaad%gmail.com@localhost (Adam Hamsik) writes:
>> > >> 
>> > >>> Ah that's bug I will fix it soon, thanks for using/testing RAID + lvm.
>> > >> 
>> > >> What about RAID on LVM?
>> > >> 
>> > >> --
>> > > 
>> > > LVM should be able to create stripes and mirrors on its own.
>> > 
>> > Yeah I hope that we will be able to move mirror target forward now. 
>> > (Stripes are already supported).
>> 
>> I find this kind of duplication of function in our kernel highly
>> objectionable (lvm mirroring should not be *added*, ccd mirroring should,
>> rather, be *removed*).
>> 
>> Thor
> 
> lvm uses its mirror target to handle snapshots

i don't think snapshot is related to the mirror target.

YAMAMOTO Takashi

> what would be really useful instead of keep forcing others
> the the one-true-way of stripe is to have a common code for this,
> which can be used to implement dm-mirror and ccd, etc.
> 
> -- 
> NetBSD - Simplicity is prerequisite for reliability