June 1, 20215 yr Hey everybody. I'm new to unraid and find some of the concepts and UI very interesting. But on the storage area I'm a little bit a classic guy. I would like to have an classic raid-5 scenario with unraid. I know there is some raid-5 option within unraid, but I don't like that fuse concept and that I can only get the max performance of a single disk. That's why I would like to have a classic raid setup. But what I do like, is the concept how unraid uses NVME or SSD's as cache. I tried with TrueNAS with that SSD cache you can build on ZFS, but that is not very performant... thats why I would like to try unraid. I tried to use mdadm, but unfortunatly that does not seem to be installed(although the packages are contained in the bzmodules image). Additionally I found a link on how edit an UNRAID image - https://wiki.unraid.net/Building_a_custom_kernel - but that doesn't seem to be valid option anymore... maybe some of you have some ideas on how I could make it work to add e.g. mdadm. Also I would like to use a partitioned NVME as a cache, is that possible too?(from cli maybe) Additionally, is it possible to start a second array pool containing other discs? After I created one array, I wasn't able to create a second array on other discs from the UI but maybe i missed something... Thanks Edited June 1, 20215 yr by Chavell3
June 1, 20215 yr You cannot use classic Linux RAID support with UnRaid. The md device driver included in UnRaid replaces the standard Linux version and the mdadm command has been customised for UnRaid specific use.
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