On Fri, Jun 24, 2022 at 7:35 AM John Mellor <john.mel...@gmail.com> wrote:
> On 2022-06-23 23:04, ToddAndMargo via users wrote: > > Any of you guys know of a PCIe card that will do > > hardware RAID 1 with two NVMe drives? > > > > I have found some, but they are way to elaborate, > > and as such, way too expensive. > > Maybe you have a weird hardware requirement that explains the question, > but why do you want a RAID-1 card? Software RAID is much cheaper, > faster, uses less power and is considerably more reliable. If you run > BTRFS or ZFS, then it is also easier on the drives, and recovery times > are hundreds of times lower than what you can do with hardware. That > translates directly into hundreds of times better reliability numbers. > Best of all, you do not need matching drives or drive sizes to implement > RAID-1. For a long time now, the only reason to run hardware RAID has > been underneath back-level versions of Windows or VMware. > Agreed. I have a 4x4gb Seagate Terrascale drive array running BTRFS in RAID1. Until it starts to fill up, I'm going to leave it RAID1 while BTRFS continues to improve RAID5 :) And then I can convert it on the fly! Thanks, Richard
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