Availability for the Always-On Enterprise
tsightler
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Re: 9.5/ReFS/Server 2016 Memory Consumption

Post by tsightler » Sep 16, 2017 7:20 pm

andy51585 wrote:We just ran in to this issue last night "A file system block being referenced has already reached the maximum reference count". Opened a case with support. Case# 023131118.
I believe support has a private fix for this available as long as you are on 9.5 U2 and they verify that this is the issue. I'm pretty sure this issue will be addressed in U3 once it is released.

TrevorBell
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Re: 9.5/ReFS/Server 2016 Memory Consumption

Post by TrevorBell » Nov 15, 2017 6:28 am

Interesting thread and I'm having the same issue myself support ticket raised, this only started happening since Win2016 server became unresponsive Saturday morning 11/11/17 and needed a reboot, since then only 2 jobs over 1TB each, backing up a single VM each are affected, Main production backup of 30 VM`s is totally fine.

I could reformat to 64k but seeing as the issue is creeping into some users with that block size , I have asked for the private fix to see if this fixes the issue and will report back.

Is anyone seeing the below error in Windows Event Viewer Logs \ system or any other ReFS errors ?

The file system detected a checksum error and was not able to correct it. The name of the file or folder is "Block Reference Count Table".

Thanks

Trev..

TrevorBell
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Re: 9.5/ReFS/Server 2016 Memory Consumption

Post by TrevorBell » Nov 15, 2017 7:04 am

Support within 40 minutes supplied the fix, now its applied and all is now working as expected.

Thanks

Trev

Delo123
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Re: 9.5/ReFS/Server 2016 Memory Consumption

Post by Delo123 » Nov 15, 2017 8:33 am

Better switch to 64K anyway, better be safe than sorry....

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