I need to change the batteries of our UPS so I need to switch everything off before I start. And I don't know where to start.
we have 2 hyper-v , HV1 and HV2. (HP DL360)
we have 6 virtual servers.
we have SAN (MSA1040)
Microserver (HP G2020)
Could you please help me. what do i switch off first and how? and in what order?
then once i am done with the UPS, how to switch all back on and the order?
Thank you for your help