Prerequisites
The following prerequisites must be met prior to configuring the Cisco HyperFlex CSI Integration.
On the HyperFlex cluster:
-
Cisco HyperFlex cluster is installed and running HX 4.5(1a) or later.
-
Configure an iSCSI network in HX Connect before installation. For more information about configuring an iSCSI network, see the Cisco HyperFlex Administration Guide, Release 4.5.
On the Kubernetes cluster:
-
Verify that all Kubernetes nodes have
2.0.874-5ubuntu2.10
version or later of theopen-iscsi
package installed ahead of proceeding with HXCSI. You can do so by running the following command:$iscsid -version
.To install
open-iscsi version 2.0.874-5ubuntu2.10
, you can run the following command:apt-get install -y open-iscsi=2.0.874-5ubuntu2.10
-
Verify that each Kubernetes node has either a dedicated interface on the HX iSCSI network or routable access to the HX iSCSI network.
-
To ensure
iscsid
gets started on system reboot run the following command:sudo systemctl enable iscsid
The
iscsid
status should appear (as an example):$ sudo systemctl status iscsid
iscsid.service - iSCSI initiator daemon (iscid)
Loaded: loaded (/lib/systemd/system/iscid.service; enabled; vendor preset: enabled
-
Ensure that each Kubernetes primary (also known as the "master") host system contains the file "
/etc/kubernetes/manifests/kube-controller-manager.yaml
" which includes the following:--disable-attach-detach-reconcile-sync=true
. -
Add the following text to the
-command
section of the file:--disable-attach-detach-reconcile-sync=true