RE: [PATCH 1/2] md: raid5 return new layout in mdstat while reshaping

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> -----Original Message-----
> From: dan.j.williams@xxxxxxxxx [mailto:dan.j.williams@xxxxxxxxx] On
> Behalf Of Dan Williams
> Sent: Thursday, July 22, 2010 2:59 AM
> To: Trela, Maciej
> Cc: Neil Brown; Kwolek, Adam; linux-raid@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 1/2] md: raid5 return new layout in mdstat while
> reshaping
> 
> On Wed, Jul 21, 2010 at 4:03 AM, Trela, Maciej <Maciej.Trela@xxxxxxxxx>
> wrote:
> > From: Maciej Trela <maciej.trela@xxxxxxxxx>
> >
> > While reshaping, report mdstat algorithm according to the new_layout.
> 
> It's not immediately clear to me why this is needed?  The md/layout
> attribute in sysfs shows the new_layout during reshape if userspace
> forgets what it changed (should also be recorded in the metadata).  If
> it is needed then spell that out in the commit message.
> 

Yes, you are right.
We can definitely read the new layout from sysfs.
Thanks.

--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux