Hi Leo ! Thanks for your comment ! Let me try to answer your questions : Disclamer here : I generaly don't recommand swapping drives out of a NAS to access the content. The role of a NAS, is to have your content accessible throught the network, or a VPN if you are not at home. From experience, removing disks and moving them on regular basis, make them fail at a point of time. This been said, MergerFS is working very well when you disconnect a disk. Even if you disconnect all but one ! The only problem is that, in my tutorial, I prefer the files to be spread on the disks depending of their capacity. But you can choose other policies, for example, if you want all the subfolders of a root folder to be in the same disk. I invite you to check the policies here : https://github.com/trapexit/mergerfs?tab=readme-ov-file#policy-descriptions SnapRAID on the other hand, is used only to generate parity data. If you remove one disk and you run snapraid sync or my script while disconnected, it will consider the files on the disconnected disk like deleted. This is why it is important to set a good DEL_THRESHOLD in my script so you don't sync in the case of a missing disk. So technicaly, the answer of your question is YES. Even if I don't really recommand this kind of usage. My machine is made of spare parts, with a cheap Ryzen 3 1200 (4 Cores), 8G of ram. It should be enough, but it depends of how much you store. MergerFS has some function to regulate memory usage and caching. SnapRAID has also some information about memory on their doc here https://www.snapraid.it/faq#mem But anyway, with my 8G of ram, everything works perfectly fine with 10T of data, and a lots of heavy docker container running. Security VS Capacity is most important quesiton of any RAID (or unraid) system. You usualy sacrifice disks for parity. The more you sacrifice, the more tolerant to failure you will be. You can in your configuration, put the parity data on one of your 18Tb disk, The rest will be available for storing your files (62TB for your files then). This makes your system tolerant to 1 disk failure. You can also choose to dedicate your 2x18Tb for parity ( 44Tb left for your files), in this case you will be able to recover your data, even with 2 disk failure at the same time. Maybe I don't understand correctly but you tell me that your drives are mounted on many machines. That implies different files systems no ? How are you currently working ? My server is with Ubuntu 22.04 LTS. All my drives are in ext4 filesystem. To transfer files from the NAS to my other computers, I use Samba.. It works quite well even if the transfer rates are not the craziest ! I also have "Resilio Sync" installed on it. It allows me to synchronise quickly files between my different computers, with offline access when I am not at home. And it is really fast. But their must be other solutions probably ! I hope I could answer some of your questions. It was a pleasure ! For your last questions. Let't say that blogging and making youtube videos, is something I would like to be able to do more, but it is hard for me to find the time to do all this. I am a French, living in Barcelona. I am a freelance tech lead, with a classical 9-5 job for a customer. But on the side of all this I try to create my own apps. My current project is Flowmodoro : https://flowmodoro.thenomadcode.tech/ The dream would be to have my own business to be able to travel the world all year long and work from anywhere. I work in development since more than 15 years, I have been CTO, created my own companies, all sorts of things. Don't hesitate to follow me on twitter https://twitter.com/the_nomad_code and youtube (even if it is quite empty for now !) https://www.youtube.com/@thenomadcode Wish you the best for your studies !
@thenomadcode
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