doc: add kernel version recommendation for rbd-nbd

Without commit [1] Kernel doesn't handle io-timeout=0 correctly
Hence we recommend Kernel version 5.4 or higher that has commit [1]

[1] https://bit.ly/34CFh06

Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
(cherry picked from commit 1c153b120c)
This commit is contained in:
Prasanna Kumar Kalever 2022-01-13 12:06:43 +05:30 committed by mergify[bot]
parent 9e7c3c9a7c
commit 02010955d8

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@ -29,6 +29,9 @@ client-side, which is inside the `csi-rbdplugin` node plugin.
To use the rbd-nbd mounter for RBD-backed PVs, set `mounter` to `rbd-nbd`
in the StorageClass.
Please note that the minimum recommended kernel version to use rbd-nbd is
5.4 or higher.
### Configuring logging path
If you are using the default rbd nodePlugin DaemonSet and StorageClass