Upgrading HP DL360 Gen9 to ESXI 6 U1a


We have an HP DL360 Gen9 installed with ESXI 6.0. We installed it using the custom HP image of ESXi. It's a single server but in a cluster with a vCenter appliance.

We'd like to upgrade it to Update 1a which includes a critical bugfix but are unsure of the steps and are also worried that it'll overwrite some of the HP drivers.

Can anyone let us know the best way to upgrade this? Thanks.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
be careful with the ESXi 6.0 U1 update, as it can replace the drivers, and you will lose access to local datastore.

to update, you would use the esxcli commands, see my EE Article, but change the filenames.

HOW TO: Upgrade from VMware vSphere Hypervisor ESXi 5.1 to VMware vSphere Hypervisor ESXi 5.5 for FREE
niltdAuthor Commented:
Thanks Andrew. How do we update without replacing the drivers? Also, as we are updating to U1a can we skip U1?
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Download the  ESXi 6.0 Update 1a ISO image, and boot the server, and install. (select Upgrade).

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niltdAuthor Commented:
Thanks Andrew. They released the HP ESXI 6 u1a ISO last week so we upgraded with that!
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