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Software vs Hardware RAID (gehirneimer.de)

submitted 9 months ago by BentiGorlich@gehirneimer.de to c/selfhosted@lemmy.world

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I am thinking of extending my storage and I don't know if I should buy a JBOD (my current solution) or a RAID capable enclosure.

My "server" is just a small intel nuc with an 8th gen i3. I am happy with the performance, but that might be impacted by a bigger software RAID setup. My current storage setup is a 4-bay JBOD with 4TB drives in RAID 5. And I am thinking of going to 6 x 8TB drives with RAID 6 which will probably be more work for my little CPU

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[–] originalucifer@moist.catsweat.com -4 points 9 months ago (1 children)

just my 2 cents, if youre going to do raid, buy a thing that will do it...

a nas or enclosure where the hardware does all the heavy lifting. do not build raided system from a bunch of disks... i have had, and have had friends have many failures over the years from those home brew raids failing in one way or another and its usually the software that causes the raid to go sideways.. mayvbe shits better today than it was 10-20 years ago.

its just off my list. i bought a bunch of cheap nas devices that handle the raid, and then i mirror those devices for redundancy.

[–] doubletwist@lemmy.world 2 points 9 months ago (1 children)

Y'all must be doing something wrong because HW raid has been hot garbage for at least 20years. I've been using software raid (mdadm, ZFS) since before 2000 and have never had a problem that could be attributed to the software raid itself, while I've had all kinds of horrible things go wrong with HW raid. And that holds true not just at home but professionally with enterprise level systems as a SysAdmin.

With the exception of the (now rare) bare metal windows server, or the most basic boot drive mirroring for VMware (with important datastores on NAS/SAN which are using software raid underneath, with at most some limited HW assisted accelerators) , hardly anyone has trusted hardware raid for decades.