> "Pasi" == Pasi Kärkkäinen writes:
>> 2 of the patches are absolutely trivial and should just be applied.
>> However, LSI objects to patch #3 which tweaks an incorrect NVDATA
>> flag from within the driver.
>>
>> Instead LSI has promised to revert to the original behavior in their
>> firmwa
On Fri, Aug 17, 2012 at 12:00:55PM -0400, Martin K. Petersen wrote:
> > "Ankit" == Ankit Jain writes:
>
> Ankit> Will these patches be merged? Or have they been superseded by
> Ankit> some other patchset?
>
> Sorry, I've been out on vacation.
>
> 2 of the patches are absolutely trivial and
> "dj" == Jiang, Dave writes:
>> Yes. The only thing that doesn't work is RAID5/6.
dj> Just curious, has any work been done on this? Wondering what the
dj> roadblocks are to get this support in
Nobody has done the work, that's all. And it's not entirely trivial. The
8 bytes of metadata
rg;
> james.bottom...@hansenpartnership.com; eric.mo...@lsi.com
> Subject: Re: [SCSI] mpt2sas T10 DIF fixes
>
> >>>>> "Pasi" == Pasi Kärkkäinen writes:
>
> Pasi> Btw do you know the current status of T10 PI support in md/dm
> Pasi> raid? If I underst
On Mon, Aug 20, 2012 at 08:43:49PM -0400, Martin K. Petersen wrote:
> > "Pasi" == Pasi Kärkkäinen writes:
>
> Pasi> .. and I probably need to sg_format the backing devices to enable
> Pasi> PI
>
> Yes. Unless the drive is already formatted with PI. The latter is
> becoming increasingly commo
On Mon, Aug 20, 2012 at 08:40:21PM -0400, Martin K. Petersen wrote:
> > "Pasi" == Pasi Kärkkäinen writes:
>
> Pasi> Btw do you know the current status of T10 PI support in md/dm
> Pasi> raid? If I understood correctly there's some support for
> Pasi> raid0/raid1 implemented..
>
> Yes. The o
> "Pasi" == Pasi Kärkkäinen writes:
Pasi> .. and I probably need to sg_format the backing devices to enable
Pasi> PI
Yes. Unless the drive is already formatted with PI. The latter is
becoming increasingly common as a PI-drive will work just fine in a
"legacy" setup. Many current drives provi
> "Pasi" == Pasi Kärkkäinen writes:
Pasi> Btw do you know the current status of T10 PI support in md/dm
Pasi> raid? If I understood correctly there's some support for
Pasi> raid0/raid1 implemented..
Yes. The only thing that doesn't work is RAID5/6.
Pasi> Are there any docs how to enable/d
On Mon, Aug 20, 2012 at 01:48:19PM +0300, Pasi Kärkkäinen wrote:
> On Sun, Aug 19, 2012 at 12:38:43PM -0400, Martin K. Petersen wrote:
> > > "Pasi" == Pasi Kärkkäinen writes:
> >
> > Pasi> So physically the disk is using 520 bytes/sector (and needs to
> > Pasi> support that), but logically th
On Sun, Aug 19, 2012 at 12:38:43PM -0400, Martin K. Petersen wrote:
> > "Pasi" == Pasi Kärkkäinen writes:
>
> Pasi> So physically the disk is using 520 bytes/sector (and needs to
> Pasi> support that), but logically the HBA presents 512 bytes/sector +
> Pasi> PI.. is that correct?
>
> Yep. T
On Sun, Aug 19, 2012 at 12:38:43PM -0400, Martin K. Petersen wrote:
> > "Pasi" == Pasi Kärkkäinen writes:
>
> Pasi> So physically the disk is using 520 bytes/sector (and needs to
> Pasi> support that), but logically the HBA presents 512 bytes/sector +
> Pasi> PI.. is that correct?
>
> Yep. T
> "Pasi" == Pasi Kärkkäinen writes:
Pasi> So physically the disk is using 520 bytes/sector (and needs to
Pasi> support that), but logically the HBA presents 512 bytes/sector +
Pasi> PI.. is that correct?
Yep. The beauty of PI is that we can store the extra stuff without
having to deal with w
On Sun, Aug 19, 2012 at 11:18:57AM -0400, Martin K. Petersen wrote:
> > "Pasi" == Pasi Kärkkäinen writes:
>
> Pasi> Btw do you know which LSI mpt2sas HBAs support T10 DIF stuff?
> Pasi> (using 520 or 528 bytes/sector drives with checkums).
>
> Pasi> LSI SAS2008 based? SAS2308 based?
>
> SAS
> "Pasi" == Pasi Kärkkäinen writes:
Pasi> Btw do you know which LSI mpt2sas HBAs support T10 DIF stuff?
Pasi> (using 520 or 528 bytes/sector drives with checkums).
Pasi> LSI SAS2008 based? SAS2308 based?
SAS2008 and beyond. 512-byte logical blocks + 8 bytes of PI. Linux does
not support log
On Fri, Aug 17, 2012 at 12:00:55PM -0400, Martin K. Petersen wrote:
> > "Ankit" == Ankit Jain writes:
>
> Ankit> Will these patches be merged? Or have they been superseded by
> Ankit> some other patchset?
>
> Sorry, I've been out on vacation.
>
> 2 of the patches are absolutely trivial and
> "Ankit" == Ankit Jain writes:
Ankit> Will these patches be merged? Or have they been superseded by
Ankit> some other patchset?
Sorry, I've been out on vacation.
2 of the patches are absolutely trivial and should just be applied.
However, LSI objects to patch #3 which tweaks an incorrect N
On 02/21/2012 07:06 AM, Martin K. Petersen wrote:
> This is a repost of the T10 DIF patches against mpt2sas that I posted a
> while back:
Will these patches be merged? Or have they been superseded by some other
patchset?
Thanks,
--
Ankit Jain
SUSE Labs
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