question Re: Backup Strategy for CDP Private Cloud in Support Questions

Backup Strategy for CDP Private Cloud

Ben1996 — Tue, 21 Apr 2026 06:29:47 GMT

We are on CDP 7.1.7 SP2 version

Can I ask what is the best strategy to backup the cluster? We are using 5 phyisical nodes (3 of which holds the actual HDFS data). What is a good strategy for backup?

1. Create another cluster that will act as replica (lower CPU and RAM)

2. In the same cluster, backup / to preserve the OS apps (CM etc.) and /data (HDFS)

Re: Backup Strategy for CDP Private Cloud

Rajat_710 — Wed, 12 Jun 2024 07:40:19 GMT

hey, @Ben1996 what would like to backup is the HDFS data or anything else?

Also, I would like to let you 1 thing if possible add 1 more data node in your cluster as by default you have 3 as RF and if 1 DN goes down then you'll have only 2 DN alive which could be critical for business.

For backing up HDFS data you can create anther cluster with low resources and setup a BDR jobs on it to replicate data from PROD to DR cluster refer to the below link.

https://docs.cloudera.com/cdp-private-cloud-upgrade/latest/release-guide/topics/cdpdc-compatibility-matrix-bdr.html

Re: Backup Strategy for CDP Private Cloud

Ben1996 — Thu, 13 Jun 2024 00:11:41 GMT

Thanks Rajat! Does that mean if 1 failed, the entire cluster will not be functional? Thank you for linking the replication manager, so it is essentially option 1 of what i previously thought of.

Re: Backup Strategy for CDP Private Cloud

Rajat_710 — Tue, 16 Jul 2024 08:16:56 GMT

no @Ben1996 if 1 DN fails it won't crash the cluster but you'll be more vulnerable and run a cluster with only 2 copies of data in DNs which is not recommended for the PROD environment.

Re: Backup Strategy for CDP Private Cloud

VidyaSargur — Mon, 22 Jul 2024 09:07:52 GMT

@Ben1996, Did the response assist in resolving your query? If it did, kindly mark the relevant reply as the solution, as it will aid others in locating the answer more easily in the future.

Re: Backup Strategy for CDP Private Cloud

Ben1996 — Mon, 22 Jul 2024 09:09:31 GMT

Thanks @Rajat_710 and @VidyaSargur . I already accepted the answer.