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[GH-ISSUE #41] [question] why colocation is not considered? #40

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opened 2026-05-05 03:32:52 -06:00 by gitea-mirror · 0 comments
gitea-mirror commented 2026-05-05 03:32:52 -06:00
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Originally created by @mpeterson on GitHub (Feb 28, 2025).
Original GitHub issue: https://github.com/ewwhite/zfs-ha/issues/41

hey @ewwhite , I was wondering why your setup didn't include colocation?

If I understand correctly in the cases where the fence and resources run on two different nodes in a two node cluster it could lead to a situation where access to resources running the resource group is lost and cannot be fenced since the fencing agent is running in the other node.

Out of your deeper knowledgem, Is this an actual issue and should be addressed by colocation?

Originally created by @mpeterson on GitHub (Feb 28, 2025). Original GitHub issue: https://github.com/ewwhite/zfs-ha/issues/41 hey @ewwhite , I was wondering why your setup didn't include [colocation](https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/configuring_and_managing_high_availability_clusters/assembly_colocating-cluster-resources.adoc_configuring-and-managing-high-availability-clusters)? If I understand correctly in the cases where the fence and resources run on two different nodes in a two node cluster it could lead to a situation where access to resources running the resource group is lost and cannot be fenced since the fencing agent is running in the other node. Out of your deeper knowledgem, Is this an actual issue and should be addressed by colocation?
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Reference: github-starred/zfs-ha#40
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