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hansis1
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Problems with performance

Post by hansis1 » Apr 29, 2010 7:36 am

hello

sorry for the next to on this issue, but i have big problem.

we have installed a new backupserver: Windows 2008 64 bit SP2

we have 3 esx-hosts with vsphere 4 one vcenter in virtualmachine (vmware vCenter Server 4) and veeam Backup v4.1 on the new backupserver.

ESX-Host connected to Storage with FC.
ESX-Backup Host connected to Storage with SAS
Network between the two Switches: 1GB
The virtual machine is on an own array. Also at the other site!

Now our repclicationjobs are running wih 2-3MB/sec.

I have read and tested a lot without solution.

What can I do?

thx.
hansi

Gostev
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Re: Problems with performance

Post by Gostev » Apr 29, 2010 7:56 am

Hansi, your description is not clear - what VM is in the other site? What replication mode do you use? What else did you change from your previous deployment?

hansis1
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Re: Problems with performance

Post by hansis1 » Apr 29, 2010 8:11 am

hello

veeambackup is running on the backupserver.
now i want to replicate the vms from active location to the the emergency location connected with 1GB.

Active-Location: ---- 1GB ---- emergency-Location:
ESX-Host (one of the vm is vcenter) ESX-Host
Backupserver (Veeam)

Job:
Replication-Job, VMware vStorage API (SAN with failover), VSS enabled

I hope the settings of veeam are corrctly: service console connection is enabled

Vitaliy S.
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Re: Problems with performance

Post by Vitaliy S. » Apr 29, 2010 11:21 am

Hansi,

Service Console credentials are not needed while using vStorage API modes. Try using just SAN mode to see if you've configured everything correctly to be able to run a SAN mode. Additionaly I would check the upload speed to a target storage using vSphere Client -> Datastore Browser

hansis1
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Re: Problems with performance

Post by hansis1 » Apr 29, 2010 2:20 pm

hello!

if i copy it via vCenter (Datastore) i get 62MB/sec.
copy on the console with ssh i get 46MB/sec.

i think their is a false configuration?

Vitaliy S.
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Re: Problems with performance

Post by Vitaliy S. » Apr 30, 2010 10:53 am

Hansi,

Have you tried running SAN mode only? I believe you're falling back to network mode (NBD) which is a much slower than SAN mode. Also could you please clarify whether you're running Veeam backup server on a physical or a virtual machine?

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Re: Problems with performance

Post by hansis1 » May 03, 2010 8:16 am

with san mode i get a vddk error.
i have written to support.

NBD with changed block tracking I will get 36MB. Is this normal?

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Re: Problems with performance

Post by Vitaliy S. » May 03, 2010 9:40 am

Hansi,

Performance rates depend on many variables in your infrastructure. You've got 10 times faster speed on your incremental pass comparing to your first run with 2-3 MB/Sec, i believe it is a good result.

However, please continue working with support on your VDDK issue, because SAN mode should definitely give you much higher speed results.

Thank you!

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