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RAID5 with HP Smart Array P410i controller

de flag

I have a HP proliant server I want to install Unbuntu Server 20 on. The server has the HP Smart Array P410i controller. I have 2x 500GB SATA drives and 1x 1TB sata hot-swappable drives. Can I create a RAID5 array with these 3 drives? what will be my logical drive size?

Also, from the research I have done on RAID5, one drive can fail without effecting the operating system or having any data-loss. So lets say I am running Ubuntu Server on there, and one drive was to fail. Can I safely just remove the failed hot-swap drive and plug in new one? will the controller automatically re-build without me having to go into the controller utility and initiate some kind of re-build?

Also, if only one drive is allowed to fail. How do I actually monitor drive health? is there a way to get some kind of alert if a drive fails telling me which drive has actually failed? Otherwise I can imagine the server could be up for long time and the only time I will know it fails is if two drives fail and the raid logical drive is no longer accessible. By which time the raid is pointless.

guiverc avatar
cn flag
So your question is about Ubuntu Core 20 Server ? (which is a different product to the more common Ubuntu 20.04 LTS Server). Ubuntu has used the *year* format since 2016 to refer to specialist *snap* only server products (20 indicating that; as compared to 20.04 or *year.month* format for traditional products).
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