REFS issues (server lockups, high CPU, high RAM)

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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby wingphil » Tue Jun 12, 2018 11:30 am

Hi,

I also would like to know how to extract the refs.sys file from this patch. I've found the manifest for it at "Windows10.0-KB4093120-x64\Cab_1_for_KB4093120\amd64_microsoft-windows-refs_31bf3856ad364e35_10.0.14393.2097_none_1c46919c776b0217.manifest" - no idea how to get the actual file.

Thanks,

Phil
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby jslic » Tue Jun 12, 2018 11:58 am 1 person likes this post

Had the same issue with trying to extract the refs.sys - 10.0.14393.2097 from the update.
Ended up with installing a new VM, applying the WU patch (https://www.catalog.update.microsoft.co ... =KB4093120) and then extracting the file from C:\windows\system32\drivers
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby Gostev » Tue Jun 12, 2018 12:00 pm

This is what I would do too. Perhaps there's an easier way, but I don't know one.
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby mkaec » Tue Jun 12, 2018 3:26 pm

I think the suggestion is to extract the ReFS.sys file from the patch and then manually replace it on the impacted system(s).
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby dellock6 » Tue Jun 12, 2018 4:07 pm

Indeed, also because if you simply try to re-apply the patch, Windows Update will tell you that it's already applied.
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby Gostev » Tue Jun 12, 2018 4:17 pm

We meant applying patch on clean Windows install ;)
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby DonZoomik » Tue Jun 12, 2018 9:10 pm

Todays patch includes new driver with version 10.0.14939.2312
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby wingphil » Wed Jun 13, 2018 9:57 am

Interesting, will install today's patch and report back. Can't be much worse than my current version (10.0.14939.2273)
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby wingphil » Thu Jun 14, 2018 9:17 am

Well anecdotally it's no faster, a full compact on one of my jobs took 9.5hrs with 2312, same as 2273. Memory usage might be a little better but that might be other factors.
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby nezzer » Thu Jun 14, 2018 9:48 am

We removed the mentioned patch and we are now running at full speed again.
I'm not sure I like the workaround changing the REFS.SYS driver on a fully patched system.

I will wait and recommend others to wait for a working Windows patch from Microsoft (:
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby mvalpreda » Thu Jun 14, 2018 7:25 pm

What is the version on refs.sys that Veeam got that worked? It obviously isn't in the June updates. I hate getting that far behind!
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby Gostev » Fri Jun 15, 2018 11:24 am

Ours was VERY private :D we even had to disable driver signature check in the OS to use one! I suppose by now you should be able to get a better version by opening a support case with Microsoft. The internal bug ID to link the support case to is 17762340.
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby NightBird » Fri Jun 15, 2018 5:28 pm

Another silent ReFS.sys driver update with June cumulative... (10.0.14393.2312) what a pain...
Nothing in the release notes... April, May, June => 3 silent Refs.sys driver update !!! (2248 2273 2312)
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby Gostev » Fri Jun 15, 2018 10:39 pm

Being on the Microsoft MVP distribution list I can tell you even they are mad about this by now :D particularly because many are Microsoft partners selling S2D/ReFS based solutions.
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Re: REFS issues (server lockups, high CPU, high RAM)

Veeam Logoby FrancWest » Sat Jun 16, 2018 10:21 pm

You can extract refs.sys from the patch file without first installing a clean windows 2016 and then installing the patch.

download the full update package from https://www.catalog.update.microsoft.co ... =KB4093120

open a command prompt and do:

expand -F:* <update>.msu <target_dir>

you end up with several .cab files

go to the target folder you extracted the .msu to and then do:

expand -f:refs.sys *.cab .

you end of with a folder called 'amd64_microsoft-windows-refs_31bf3856ad364e35_10.0.14393.2097_none_1c46919c776b0217' in the current folder.

Inside this folder is refs.sys with version 10.0.14393.2097

Franc.
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