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Re: [tlug] White Box: Some Assembly Required ...
- Date: Thu, 28 Jun 2018 12:22:48 +0900
- From: Curt Sampson <email@example.com>
- Subject: Re: [tlug] White Box: Some Assembly Required ...
- User-agent: NeoMutt/20170113 (1.7.2)
On 2018-06-22 23:39 +0900 (Fri), CL wrote: > - Six Toshiba 3Tb HDDs, which I want to use to make a hardware RAID 5 > long-term storage disk. Don't do it. I've worked with a lot of hardware RAID systems (more in the '90s than now) and the cheap systems, by which I mean sub-$100,000, have invariably been less reliable and had more problems than good software RAID such as is currently available in the Linux kernel. This isn't so suprising, really, considering: 1. Linux kernel RAID has probably seen hundreds to thousands of times as much testing as any on-motherboard hardware RAID system. 2. The lack of flexability (e.g., not being able to pull your disks and drop them into another system) can really hurt your chances of recovery when things start to go sideways. On 2018-06-22 12:33 -0300 (Fri), Schwartz, Fernando G. wrote: > I'm already hearing somebody will come up here saying you don't need > hardware RAID and I can tell you, that's just a lie if you're in for the > best your hardware can do (traditional Linux world excuses). So what do you mean by "best"? Certainly on modern CPUs performance is no longer an issue; RAID will use a trivial amount of your CPU so there's no point in off-loading it. Inverse's point is also good. If your data are important to you, you should have an off-continent backup. Amazon AWS and Google Cloud both have solutions designed for this. cjs -- Curt J. Sampson <firstname.lastname@example.org> +81 90 7737 2974 To iterate is human, to recurse divine. - L Peter Deutsch
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