`<div dir="ltr"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 12, 2016 at 6:07 PM, Gordon Ross <span dir="ltr"><<a href="mailto:gordon.w.ross@gmail.com" target="_blank">gordon.w.ross@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Interesting finding re. VHD support needing resiliency support in SMB 2.1.<br>
Thanks for the KB article: <a href="https://support.microsoft.com/en-us/kb/2920193" rel="noreferrer" target="_blank">https://support.microsoft.com/<wbr>en-us/kb/2920193</a><br>
<br>
We have resiliency support in NexentaStor 5.0 (shameless plug:)<br>
<a href="https://nexenta.com/products/nexentastor" rel="noreferrer" target="_blank">https://nexenta.com/products/<wbr>nexentastor</a><br>
We should work on upstreaming that code soon.<br>
<div><div class="h5"><br>
<br>
On Wed, Oct 12, 2016 at 8:54 AM, Natxo Asenjo <<a href="mailto:natxo.asenjo@gmail.com">natxo.asenjo@gmail.com</a>> wrote:<br>
> hi,<br>
><br>
> There is a w10 system at the home and it's a bit critical for the wife ;-),<br>
> so I want to have this up and running asap if some kind of trouble happens<br>
> with it.<br>
><br>
> Anyway, this windows 10 OS has a backup tool that allows you to dump an<br>
> image to a network share using cifs, obviously.<br>
><br>
> So I have a zfs file system, shared it for cifs, set the permissions for the<br>
> share. Start the backup, and it will fail consistently when it has reached<br>
> 57%.<br>
><br>
> After much searching, I found this:<br>
> <a href="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" rel="noreferrer" target="_blank">https://social.technet.<wbr>microsoft.com/Forums/windows/<wbr>en-US/c2032e37-ebe9-4221-9d37-<wbr>5525fcdaae19/windows-8-backup-<wbr>win7-file-recovery-system-<wbr>image-creation-to-nas-device-<wbr>fails-with-error?forum=<wbr>w8itprogeneral</a><br>
><br>
> And yes, after:<br>
><br>
> # sharectl set -p max_protocol=1 smb<br>
><br>
> and restarting the cifs service, now the backup is running correctly (97%<br>
> and counting).<br>
><br>
> Apparently it has to do with 'resilency support', whatever that may be:<br>
><br>
> <a href="https://support.microsoft.com/en-us/kb/2920193" rel="noreferrer" target="_blank">https://support.microsoft.com/<wbr>en-us/kb/2920193</a><br>
><br>
> Which is a shame, because now the cifs host is limited to smb 1.5 instead of<br>
> 2.1 (but at least it works).<br>
><br>
> Hopefully I spare somebody some unnecessary pain with this info. And it<br>
> would be awesome if this 'resiliciency support' made it to the cifs server<br>
> in a next version ;-)<br>
><br>
> Thanks!<br>
><br>
> --<br>
> Groeten,<br>
> natxo<br>
><br>
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><br>
</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">--<br>Groeten,<br>natxo</div>
</div>
`