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christopher-swe
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Benefits of Windows Server 2019

Post by christopher-swe » Apr 08, 2019 9:43 am

Hi,

Are there any benefits of using Windows Server 2019 for Veeam Backup & Replication/Proxy/Storage instead of Windows Server 2016?

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Re: Benefits of Windows Server 2019

Post by HannesK » Apr 08, 2019 1:22 pm

Hello,
today I would say the best argument is "compatibility with the future". Example: you run Active Directory 2019 / any feature that changed from 2016 to 2019 where we use libraries from the OS.

I run almost all of my lab on Windows 2019 but it seems to be not really "final code" to me.

Best regards,
Hannes

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Re: Benefits of Windows Server 2019

Post by mkretzer » Apr 08, 2019 7:45 pm 2 people like this post

Two words: update speed.
Try it out: Updates that took half an hour with windows server 2016 now are finished in 1-2 minutes!

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Re: Benefits of Windows Server 2019

Post by Mike Resseler » Apr 08, 2019 7:54 pm 1 person likes this post

I would say... ReFS as a repository...

Especially the new tools that are there to do checking on how it is doing. For those who are running 2019 with ReFS as a repository, check the tool ReFSUtil.exe

"Refsutil salvage -QA <source volume> <working directory> <target directory> <options>"

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Re: Benefits of Windows Server 2019

Post by mkretzer » Apr 09, 2019 5:11 am

Yea, and then finally i would know if our windows 2019 REFS issues with deletes are ours alone...

So everyone should upgrade (sorry)...

To be fair: Everything else runs extremly well with 2019. And the new parameter "RefsDisableAsyncDelete" seems to help quite a bit!

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Re: Benefits of Windows Server 2019

Post by christopher-swe » Apr 09, 2019 6:19 am

Thanks for all the great replies!

soehl
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Re: Benefits of Windows Server 2019

Post by soehl » Apr 09, 2019 7:51 pm

mkretzer wrote:
Apr 09, 2019 5:11 am
Yea, and then finally i would know if our windows 2019 REFS issues with deletes are ours alone...

So everyone should upgrade (sorry)...

To be fair: Everything else runs extremly well with 2019. And the new parameter "RefsDisableAsyncDelete" seems to help quite a bit!
Have you some more informations about "RefsDisableAsyncDelete"?! We run a couple of Windows 2019 Repositories and have sometimes os crashes in the backup window.

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Re: Benefits of Windows Server 2019

Post by mkretzer » Apr 10, 2019 5:42 am

Hello soehl,

no, nothing. We have a case with MS for weeks now. They ask me a new question every 2 weeks or so and then go silent again. Last time they asked if we have set one of the knows REFS settings or if we have set "RefsDisableAsyncDelete". I told them no and asked what exactly they do. No answer.
After a week or so i told them that we are going to set this if they do not answer. No response.

But since today i know this setting does not really solve the issue: Deletes do really no longer run asynchronously, but since Veeam deletes as fast as it can without pause backups still stall quite a bit, at least after the system runs 3-4 days and memory usage is up to 300 GB or so. Only good thing: when the deletes are done IO speed recovers faster.

@gostev: Is there any way to "slow down" deletes (pause between each file)?

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Re: Benefits of Windows Server 2019

Post by soehl » Apr 10, 2019 12:04 pm

Hello mkretzer,

thanks for the information, we have similar problems.
We have not opened a MS case yet, last year I wasted enough time with the MS Support for Windows Server 2016 ReFS troubleshooting.
The April MS updates includes a new refs.sys (10.0.17763.404), maybe this version helps......

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Re: Benefits of Windows Server 2019

Post by mkretzer » Apr 10, 2019 12:26 pm

Hello soehl,

it does not. With the reboot 3 days ago we also tried the new update.

Edit: I just wonder: Was this really fixed with 2016? We had the feeling it was...

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Re: Benefits of Windows Server 2019

Post by soehl » Apr 10, 2019 3:11 pm 1 person likes this post

Hello mkretzer,

too bad that the update does not fix the problem and yes our repositories with 2016 runs now rock solid.
Sometimes, in high load times, we see some wmi connection problems from our monitoring to the the 2016 repositories, but the main function is stable and there are no crashes.

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Re: Benefits of Windows Server 2019

Post by mkretzer » Apr 10, 2019 7:29 pm

I mean... We never had one crash. But stalled IO... Alot when there are deletes.

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Re: Benefits of Windows Server 2019

Post by nmdange » Apr 10, 2019 9:22 pm

So far I haven't seen any issues on 2019 Refs repos, but I always use either forever forward incremental, or when I use weekly synthetic fulls, I enable the option to transform previous chains into rollbacks. So I never have an entire weeks worth of restore points to delete at once.

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Re: Benefits of Windows Server 2019

Post by soehl » Apr 11, 2019 12:34 pm

We had another unresponsive repository tonight (with the latest MS Patches) and will go back to 2016 with the 2019 repositories in the next days.

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Re: Benefits of Windows Server 2019

Post by mkretzer » Apr 11, 2019 4:05 pm

@soehl Sorry but is that possible? I thought REFS gets auto-upgraded by 2019 and will not work with 2016?

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Re: Benefits of Windows Server 2019

Post by soehl » Apr 11, 2019 4:52 pm

@mkretzer you are right. I forgot, the ReFS auto upgrade mechanism. Now we are on a deadlock. :(

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Re: Benefits of Windows Server 2019

Post by Frenchyaz » Apr 15, 2019 4:32 pm

yes.
One benefit is being able to do Windows deduplication on ReFS volumes without the need to use server 2016 (1709 build) core for that.
So far so good.

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Re: Benefits of Windows Server 2019

Post by HannesK » Apr 16, 2019 8:00 am

Windows deduplication on ReFS volumes
does it work for you with good speed on block cloning? other reports in the forum state that block cloning gets extremely slow when using deduplication

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Re: Benefits of Windows Server 2019

Post by HErceg » Apr 22, 2019 9:24 pm

One note regarding WS 2019.It has a bug where hyper-v doesn't shut down VM-s properly.Physical server goes down first, therefore VM are not turned off in time.

https://social.technet.microsoft.com/Fo ... rverhyperv

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[MERGED] 2016 or 2019 VM to host B&R?

Post by tomnewman » Jun 24, 2019 10:01 pm

We are planning to upgrade our Hyper-V host to 2019 in the next few months.

We currently run B&R on the 2016 host which isn't the best practice so we will be moving it to its own VM. Are there any advantages to running B&R on 2019? Any known issues? Just trying to decide whether to host B&R on a 2016 or 2019 VM

We have a fairly simple environment, single host (14 VMs), local Linux repo with secondary backup to tape.

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Re: Benefits of Windows Server 2019

Post by HannesK » Jun 25, 2019 5:35 am

merged with the existing topic. I still vote for 2019 :-)

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Re: Benefits of Windows Server 2019

Post by jmmarton » Jun 26, 2019 2:41 pm

I always recommended to run the backup server on the highest version of Windows you have running in your environment. In some cases things such as FLR may have issues when the backup server is on an older version than server you are restoring to.

Joe

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