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esozio
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Proxy Server - Direct SAN slow read

Post by esozio » Jul 18, 2018 8:18 pm

Case # 03105878
Hello,
We are experience slow performance working with Physical Proxy Server, Windows Server 2016 (12CPU/96GB RAM). It reads VMDK files at 10 to 15 MB/s. Its
connected to HP 3PAR 7200 with two 8GB HBAs.

99% Source Bottleneck

#Infrastructure#
1 vCenter Server Appliance 6.0
4 ESXi hosts 6.0
(1) Backup Server 9.5U3 (8vcpu, 16GB RAM) - NET 1GB
(2) Proxy Server: One Physical (12core 96GB RAM) with 2 HBA(8GB) connected to HP 3PAR 7200, One Virtual (12vcpu, 16GB RAM)
(1) Repository Server: Virtual (12vcpu, 16GB RAM) with a REFs 64k partition - NET 1GB

DGrinev
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Re: Proxy Server - Direct SAN slow read

Post by DGrinev » Jul 20, 2018 11:19 am

Hi esozio and welcome to the community!

Based on the bottleneck stats the issue comes from the source storage disk, as it means that the job spent most of the time on reading the data from storage.
You can review the sticky thread for additional information.
Please continue the investigation with the support team. Thanks!

esozio
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Re: Proxy Server - Direct SAN slow read

Post by esozio » Jul 31, 2018 2:41 am

Hi, DGrinev

The extrange thing is that now we change the repository (a simple Windows share) and the performance it's a lot better (150 MB/s)...but still not good enogout for direct san read access.

Regnor
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Re: Proxy Server - Direct SAN slow read

Post by Regnor » Jul 31, 2018 8:29 am

Are the drivers and firmware of your backup server up to date?

foggy
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Re: Proxy Server - Direct SAN slow read

Post by foggy » Jul 31, 2018 5:37 pm

Can you please check the job session and make sure direct SAN is actually used (there's a [san] tag after the proxy server name)?

esozio
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Re: Proxy Server - Direct SAN slow read

Post by esozio » Aug 15, 2018 7:28 pm

Yes foggy it´s working with direct [san]. Any ideas?

foggy
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Re: Proxy Server - Direct SAN slow read

Post by foggy » Aug 16, 2018 2:06 pm

I'd look at this from the storage perspective, provided the job reports source to be primary bottleneck.

Regnor
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Re: Proxy Server - Direct SAN slow read

Post by Regnor » Aug 18, 2018 7:52 am

Regnor wrote:Are the drivers and firmware of your backup server up to date?
I'm quoting myself ;)
I've had some cases were old drivers or firmware on HPE equipment were causing performance issues. Please also try to set your server to high performance in the BIOS energy settings.

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