[OmniOS-discuss] cifs smb 2.1 errors when using windows 10 backup tool

[Natxo Asenjo]

On Wed, Oct 12, 2016 at 6:07 PM, Gordon Ross <gordon.w.ross at gmail.com>
wrote:

> Interesting finding re. VHD support needing resiliency support in SMB 2.1.
> Thanks for the KB article: https://support.microsoft.com/en-us/kb/2920193
>
> We have resiliency support in NexentaStor 5.0 (shameless plug:)
> https://nexenta.com/products/nexentastor
> We should work on upstreaming that code soon.
>
>
> On Wed, Oct 12, 2016 at 8:54 AM, Natxo Asenjo <natxo.asenjo at gmail.com>
> wrote:
> > hi,
> >
> > There is  a w10 system at the home and it's a bit critical for the wife
> ;-),
> > so I want to have this up and running asap if some kind of trouble
> happens
> > with it.
> >
> > Anyway, this windows 10 OS has a backup tool that allows you to dump an
> > image to a network share using cifs, obviously.
> >
> > So I have a zfs file system, shared it for cifs, set the permissions for
> the
> > share. Start the backup, and it will fail consistently when it has
> reached
> > 57%.
> >
> > After much searching, I found this:
> > https://social.technet.microsoft.com/Forums/windows/
> en-US/c2032e37-ebe9-4221-9d37-5525fcdaae19/windows-8-backup-
> win7-file-recovery-system-image-creation-to-nas-device-
> fails-with-error?forum=w8itprogeneral
> >
> > And yes, after:
> >
> > # sharectl set -p max_protocol=1 smb
> >
> > and restarting the cifs service, now the backup is running correctly (97%
> > and counting).
> >
> > Apparently it has to do with 'resilency support', whatever that may be:
> >
> > https://support.microsoft.com/en-us/kb/2920193
> >
> > Which is a shame, because now the cifs host is limited to smb 1.5
> instead of
> > 2.1 (but at least it works).
> >
> > Hopefully I spare somebody some unnecessary pain with this info. And it
> > would be awesome if this 'resiliciency support' made it to the cifs
> server
> > in a next version ;-)
> >
> > Thanks!
> >
> > --
> > Groeten,
> > natxo
> >
> > _______________________________________________
> > OmniOS-discuss mailing list
> > OmniOS-discuss at lists.omniti.com
> > http://lists.omniti.com/mailman/listinfo/omnios-discuss
> >
>



-- 
--
Groeten,
natxo
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