A customer wants to set up a Veeam cdp job for a critical vm on a vSAN cluster v8. The source and destination cluster is the same. Is this possible? does it make sense?
Answer
Veeam CDP on vSAN
Best answer by Link State
A customer wants to set up a Veeam cdp job for a critical vm on a vSAN cluster v8. The source and destination cluster is the same. Is this possible? does it make sense?
Hi
Best Practices for Fault Tolerance (vmware.com)
regards
+11A customer wants to set up a Veeam cdp job for a critical vm on a vSAN cluster v8. The source and destination cluster is the same. Is this possible? does it make sense?
Hi
Best Practices for Fault Tolerance (vmware.com)
regards
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+21It does not make sense but can be done as you need to pin the CDP proxies to specific hosts to have it work. I have done this in homelab without issue but considering everything is same cluster it does not make sense as mentioned. If it was DR site then sure.
Chris Childerhose - VMCA2024 | VMCE2023 | VMCE-SP2024 | Veeam Vanguard 8* | Veeam Legend 5* | VUG Canada Leader | vExpert 6* | Toronto VMUG Leader | VCAP-DCV/VCP-DCV | Object First Ace | Cisco Champion | Twitter: @cchilderhose | Blog Site – https://just-virtualization.tech
+12As
I think it might well make sense from a workload perspective
CDP provides the lowest possible RPO, even down to a few seconds.
Consider a file server that is encrypted by ransomware. With a CDP policy replicating it to another VM, even in the same cluster, you would be able to start the VM in the state it was in just seconds before disaster.
Michael Melter - #VeeamLegend #veeam100 | VMCT | VMCE9 | VMCE2020 | VMCE2023 | VMCE2021 | VMCAv1 | VMCA2022 | VMCA2024 | VCP | MCP | DCIE | PhD | VDST TL3
+3
A customer wants to set up a Veeam cdp job for a critical vm on a vSAN cluster v8. The source and destination cluster is the same. Is this possible? does it make sense?
Interesting to know the use case… What is the justification to need this? Why are other features (FT in VMware) not suitable?
John Baylis - Solution Architect | VMCE, VMCE-A
the use case is: the customer has a Microsoft SQL Server and does not want to have a failover cluster, so he wants to have CDP so that he can switch over quickly if a problem occurs, and he wants to go back over the short-term retention, 4 hours can to go back
A customer wants to set up a Veeam cdp job for a critical vm on a vSAN cluster v8. The source and destination cluster is the same. Is this possible? does it make sense?
Interesting to know the use case… What is the justification to need this? Why are other features (FT in VMware) not suitable?
the use case is: the customer has a Microsoft SQL Server and does not want to have a failover cluster, so he wants to have CDP so that he can switch over quickly if a problem occurs, and he wants to go back over the short-term retention, 4 hours can to go back
It does not make sense but can be done as you need to pin the CDP proxies to specific hosts to have it work. I have done this in homelab without issue but considering everything is same cluster it does not make sense as mentioned. If it was DR site then sure.
but Veeam say:
- CDP is not supported for VMs to which VM storage policies with multiple datastore specific rule sets apply. If you need to define datastores to be used for placement of the VMs, you can add a tag rule for vSAN instead of a tag based placement datastore specific rule. For more information on how to create tag rules for vSAN, see VMware Docs.
how did you configure the vsan policy without error tolerance?
+21It does not make sense but can be done as you need to pin the CDP proxies to specific hosts to have it work. I have done this in homelab without issue but considering everything is same cluster it does not make sense as mentioned. If it was DR site then sure.
but Veeam say:
- CDP is not supported for VMs to which VM storage policies with multiple datastore specific rule sets apply. If you need to define datastores to be used for placement of the VMs, you can add a tag rule for vSAN instead of a tag based placement datastore specific rule. For more information on how to create tag rules for vSAN, see VMware Docs.
how did you configure the vsan policy without error tolerance?
I have not used vSAN with CDP so cannot say. I have used it for other testing and pinning the proxies to hosts.
+9
A customer wants to set up a Veeam cdp job for a critical vm on a vSAN cluster v8. The source and destination cluster is the same. Is this possible? does it make sense?
Interesting to know the use case… What is the justification to need this? Why are other features (FT in VMware) not suitable?
the use case is: the customer has a Microsoft SQL Server and does not want to have a failover cluster, so he wants to have CDP so that he can switch over quickly if a problem occurs, and he wants to go back over the short-term retention, 4 hours can to go back
If the OS messes up, or the DB, this is not as robust as a failover cluster. Any bad data or errors will be replicated or mirrored.
Unless it is a license/cost thing, SQL Failover cluster is 100% the right choice. This may buy some time during a host failure, but even still, with VMware HA/DRS the SQL server will start on the other host.
You said Cluster so they obviously have vCenter. Do they just have vSphere standard?
With standard (no HA/DRS), and no SQL licenses to make the cluster, then this might make sense, or using ESXi Free.
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