From: "George N. White III" <gnw...@gmail.com<mailto:gnw...@gmail.com>> Date: Thursday, 23 December 2021 at 00:02:02 To: "Community support for Fedora users" <users@lists.fedoraproject.org<mailto:users@lists.fedoraproject.org>> Subject: Re: NAS purchase advice On Thu, 2 Dec 2021 at 05:47, Walter Cazzola <cazz...@di.unimi.it<mailto:cazz...@di.unimi.it>> wrote: Dear Fedoers, I'm planning to buy a NAS to backup my Linux boxes. I've spent few days at looking for it on the Internet but I've some hard time to find a NAS that fits my needs. I intend to use it both the backup my data but also to keep consistent the data on several linux-boxes. That is, the data are changed on one machine (incrementally) back-upped and then restored from another one and vice versa. As an inexperienced user, the characteristics I've pointed out are: - ethernet based NAS optionally with wake-on lan (ie., the capability of being turned on by a signal over the internet) - Linux compliant ie., - it should be formatted in ext3/4 or other *nix file system to maintain all the linux file details such as access rights, attributes, links, name lengths/characters, ... - rsync should be a viable solution to update/restore the backup - files should be accessible over the internet possibly via ssh, https, or mount over the internet - possibility to create multiple partitions, possibly also with multiple file systems. - RAID 5 or better the supported replicated storage should be at least 5TB - optionally I would also like to have some way to limit/control/monitor the accesses from the external, eg., via firewall (it will be on a intranet and I can put a firewall on the modem but it would be nice to have some extra control over security and privacy) I do not have a net preference between mechanical and optical storage even if I suppose that given the same storage size mechanical solutions are cheaper and optical ones are faster. Probably cheaper (especially when associated with more reliable) is better than faster. From your experience do you have some brand/model to suggest? Or something that I should consider that I didn't list? For years, Mac and Windows users have been able to use high-end exterrnal RAID arrays. e.g. for professional video. There are external USB-3 cases that claim to support RAID on linux. Linux supports Thunderbolt 3, but I hadn't encountered external TB RAID arrays with Linux support before retiring in 2018. A search today found: T4-S12L.TB3 Thunderbolt 3 Four Tray-Less SAS (12Gb) /SATA III Support RAID with LCD Control For Mac, Windows And Linux https://www.datoptic.com/ec/portable-thunderbolt-3-four-sata-sas-ssd-raid-quiet-tower-lcd-control.html P16-R64L.TB3 - 64TB Thunderbolt 3 RAID: https://www.datoptic.com/ec/60tb-thunderbolt-3.html The specs say: "Must use Linux Kernel 4.13 with Ubuntu 18.04 & 17.10<http://www.areca.us/support/s_linux/driver/ubuntu/18_04.zip>". I assume there are other vendors selling external TB3 or USB3 RAID boxes. I like external RAID arrays because you can plug them into a host configured for your needs and running the same OS as your other boxes. If you could afford it, you could get external RAID arrays with vendor supplied drives. The vendor gets statistics on drive performance for all their drives and I've heard of replacement drives arriving with a note telling you which drive it was meant to replace.. -- George N. White III Just a final thought…. Ever contemplated about a tiny storage ceph-cluster, each disk connected to an R-pi? No spofs, and easier to maintain and upgrade… Dit bericht kan informatie bevatten die niet voor u is bestemd. Indien u niet de geadresseerde bent of dit bericht abusievelijk aan u is toegezonden, wordt u verzocht dat aan de afzender te melden en het bericht te verwijderen. De Staat aanvaardt geen aansprakelijkheid voor schade, van welke aard ook, die verband houdt met risico's verbonden aan het elektronisch verzenden van berichten. This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. The State accepts no liability for damage of any kind resulting from the risks inherent in the electronic transmission of messages.
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