Upgrading the management node to version 11.8 from version 11.7

You can perform an in-place upgrade of the management node from 11.7 to version 11.8 without needing to provision a new management node virtual machine.

Before you begin

Storage nodes are running Element 11.3 or later.
Note: Use the latest HealthTools to upgrade Element software.
The management node you are intending to upgrade is version 11.7 and uses IPv4 networking. The management node version 11.8 does not support IPv6.
Tip: To check the version of your management node, log in to your management node and view the Element version number in the login banner.
You have updated your management services bundle to the latest version (2.1.368 or later) using one of these options:
- Hybrid Cloud Control (HCC): https://<ManagementNodeIP>
  Note: HCC is available with management services bundle 2.1.326. For NetApp HCI, the HCC option is only available if you have performed the one-time upgrade from NetApp Deployment Engine: https://<StorageNodeMIP>:442/nde
- Management node API: https://<ManagementNodeIP>/mnode
  Note: After authenticating, use the mNode API PUT /services/update/latest to update services.
You have configured an additional network adapter (if required) using the instructions for configuring a storage NIC (eth1) in the management node user guide your product.
Note: Persistent volumes might require an additional network adapter if eth0 is not able to be routed to the SVIP. Configure a new network adapter on the iSCSI storage network to allow the configuration of persistent volumes.
You have logged in to the management node virtual machine using SSH or console access.
You have downloaded the management node ISO for NetApp HCI or Element software from the NetApp Support Site to the management node virtual machine.
Note: The name of the ISO is similar to solidfire-fdva-<Element release>-patchX-XX.X.X.XXXX.iso
You have checked the integrity of the download by running md5sum on the downloaded file and compared the output to what is available on NetApp Support Site for NetApp HCI or Element software, as in the following example:
```
sudo md5sum -b <path to iso>/solidfire-fdva-<Element release>-patchX-XX.X.X.XXXX.iso
```

Steps

Mount the management node ISO image and copy the contents to the file system using the following commands:

sudo mkdir -p /upgrade

sudo mount <solidfire-fdva-<Element release>-patchX-XX.X.X.XXXX.iso> /mnt

sudo cp -r /mnt/* /upgrade

Change to the home directory, and unmount the ISO file from /mnt:
```
sudo umount /mnt
```

Delete the ISO to conserve space on the management node:

sudo rm <path to iso>/solidfire-fdva-<Element release>-patchX-XX.X.X.XXXX.iso

On an 11.7 (11.7.0.76) management node, run the following command to upgrade your management node OS version. The script retains all necessary configuration files after the upgrade, such as Active IQ collector and proxy settings.
```
sudo /sf/rtfi/bin/sfrtfi_inplace file:///upgrade/casper/filesystem.squashfs sf_upgrade=1
```
The management node reboots with a new OS after the upgrade process completes.
On the 11.8 management node, run the redeploy-mnode script to retain previous management services configuration settings:
Note: The script retains previous management services configuration, including configuration from the Active IQ collector service, controllers (vCenters), or proxy, depending on your settings.
```
sudo /sf/packages/mnode/redeploy-mnode -mu <mnode user>
```