From aefdf31cbc91a53fad2dcd98fbce778777411a4a Mon Sep 17 00:00:00 2001 From: Folke Gleumes Date: Wed, 20 Mar 2024 16:52:19 +0100 Subject: [PATCH] zfs: add a note about dRaid performance Based on statements from the openZFS documentation where it is described as providing "the same level of redundancy and performance as raidz" [0]. [0] https://openzfs.github.io/openzfs-docs/Basic%20Concepts/dRAID%20Howto.html --- local-zfs.adoc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/local-zfs.adoc b/local-zfs.adoc index a1a14e4..718b737 100644 --- a/local-zfs.adoc +++ b/local-zfs.adoc @@ -180,6 +180,8 @@ A 'RAIDZ' of any redundancy level will approximately behave like a single disk in regard to IOPS with a lot of bandwidth. How much bandwidth depends on the size of the RAIDZ vdev and the redundancy level. +A 'dRAID' pool should match the performance of an equivalent 'RAIDZ' pool. + For running VMs, IOPS is the more important metric in most situations. -- 2.39.5