Re: PDC arrays > 2 TB and non 512 byte dm sector size

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Has the checksum error for Via (8237) RAID  been fixed. That the checksum could never be met was pointed out some time ago. 

I do realize that this chipset is now, very probably, 'obsolete' , but it did work once. Regression ignored is surely satanism?


:-)


Regards
David



On Fri, Nov 23, 2012 at 9:27 PM, Ian Stakenvicius, Aerobiology Research <ian@xxxxxxxxxxxxxx> wrote:
On 21/11/12 04:08 PM, Phillip Susi wrote:
> On 11/21/2012 9:19 AM, Heinz Mauelshagen wrote:
>>> No, dm goes by hard sector sizes, not pretended ones.
>
> What do you mean?  dm devices are virtual so there is no "hard" sector
> size; it's all virtual.  Are you saying it is hard coded to report 512
> bytes and can't be changed?

I'm guessing that what Heinz means is that dmraid reads superblocks or
whatever in accordance with the sector size on the hardware itself
("hard" = hardware level); since it does this in order to feed the
correct setup info to device-mapper it would not be acting on virtual
devices..

Just my interpretation though, please correct me if i'm wrong.


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