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List:       evms-devel
Subject:    Re: [Evms-devel] EVMS: RAID resizing; extending to RAID	level	reconfiguration
From:       Scott Smyth <ssmyth () optifacio ! com>
Date:       2003-06-17 5:36:05
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Hi;

We are all talking the same thing. 8-)  We are exploring it
now to see how best to approach it.

thanks, Scott

Jer Jackson wrote:
> On Tue, 2003-06-03 at 14:45, Theodore Ts'o wrote:
> 
>>On Mon, Jun 02, 2003 at 08:15:08PM +1000, Scott Smyth wrote:
>>
>>>Hi Jer;
>>>
>>>This is an interesting idea.  We had not thought of using badblocks
>>>in this way.  The appeal of this is that it involves bringing in
>>>no additional parts (ie., bad blocks does a critical piece of what
>>>raidreconf does/would do).
>>
>>Well, as I understand the proposal, you won't be able to use badblocks
>>for this proposal, since badblocks just reads the original data in
>>memory, does its thing, and then restores the original data back to
>>disk.  What Jer Jackson suggested is pretty simple, and the code from
>>badblocks which does what he's talking about is pretty simple, so it
>>might not even worth stealing the code from badblocks (although you're
>>perfectly free to do so, of course; it's GPL'ed).  It sounded to me
>>like Jer was suggesting that general idea from badblocks be borrwed,
>>instead of using badblocks to do the critical work itself.  (It's not
>>suited for that.)
> 
> 
> That is correct.  Sorry for the confusion.  I had a few minutes to get
> the idea out, and I was thinking in examples.  I am hoping that the BBR
> mechanism and others from EVMS can be re-used though.
> 
> Regards,
> 
> Jeremy Jackson


-- 
Scott Smyth, CTO
ssmyth@optifacio.com



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