How long will it take to expand a 10 disk RAID 10 Array to 12 disks

We are small business with one server, a HP Prolinient DL380 Gen9 (it is just a year old).

Want to expand a RAID 10 (from 10 x 1.2TB drives up to 12 x 1.2TB drives)
thus increasing space by bit over 1TB.

Question: about how much time will this take? I can't afford to have server down too too long.

thank you folks!
shood4012IT ManagerAsked:
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andyalderCommented:
You can do a full restart it won't ruin the array or stop the expansion although if there is an option to continue without reboot that would work too. The controller uses the write cache to record how far it is through the expansion process so you can even power it off and then back on and it will continue the expansion. If you do a complete reboot (unnecessary) you will see a message from the controller saying write cache is temporarily disabled (because it's using that battery/flash backed RAM as a scratchpad for the expansion)
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andyalderCommented:
It takes ages but it is done in background so the server does not have to be down at all, normally you would set it to be low priority so it doesn't slow the system down. What OS do you have and do you have access to HPSSA or HPSSACLI?
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shood4012IT ManagerAuthor Commented:
I've tried to install HPSSA but it won't install as am running VMWare Hosts.
My server's OS is Windows 2016 x64. Is there a way to install?
HPE-Setup-Error.JPG
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andyalderCommented:
You can't install it on a guest, it has no access to the underlying hardware. You can install HPE tools for ESXi on the host. There's a list of commands at https://kallesplayground.wordpress.com/useful-stuff/hp-smart-array-cli-commands-under-esxi/


Alternatively shut down, go into Intelligent Provisioning and add the drives to the array then boot VMware and the array extension will continue in background, then a couple of days later shut down and go into IP again and extend the logical disk or add another logical disk.
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shood4012IT ManagerAuthor Commented:
Thank you Handy Holder you know your stuff!
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shood4012IT ManagerAuthor Commented:
Question for Handy Holder. Once array Expansion is started  you mention I can then boot back into VMWare. So basically this would be "continue to boot of system". I assume I were to do a system restart I would ruin my ARRAY? Not sure if I am explaining this right.
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shood4012IT ManagerAuthor Commented:
Thank you!
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