Elandal

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About Elandal

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  1. Elandal

    Terabyte desktop drives

    SDLT is up at 300GB and LTO3 at 400GB in native capacity, so no - 200GB native isn't the limit. Of course these are just common commercially available COTS parts. With other methods terabyte level tape storage has been possible for years already. When I was working as admin in a research center in '95, one tape system we had was about 1TB per tape with transfer rate of about 1Gbps. Of course that was custom hardware that would've cost about 800k USD to build from scratch, with total worldwide demand of maybe 20 units - so yes, they were built mostly by hand.. (note: the price is an estimate based on values of components the price of which I know with some guesswork about the rest - I'm not sure what it would've cost should one have been ordered as a system)
  2. Elandal

    NAS Storage Serves vs. a Server ?

    Actually from what I've seen, NAS devices tend to be general purpose computers running stripped-down general purpose OS, priced through the roof One could easily build a better NAS device at same price by choosing components carefully and installing some OS with only network disk sharing services running.
  3. Elandal

    NAS Storage Serves vs. a Server ?

    Depending router, I could indeed call it a "computer" instead of "device". NAS devices typically expose so much of the operating system that I rather call them "computers" than "devices". Yes, they may be used without considering them as servers as such, but they often have several of the failings a server built using standard PC parts and operating systems have that I don't like thinking of them as standalone devices. They tie to your network via eg. active directory to get user and group permissions and quotas and pretty much act just like a server built only to share diskspace would. And the server could be built cheaper, with more reliable parts, and later moved to serve other purposes should it's diskspace sharing become unnecessary for any reason.
  4. Elandal

    Via Enden-N Processor

    These low-power (electricty) low-speed (computing power) CPUs are excellent for many applications, like embedded devices, single-purpose devices, kiosk-applications, and even normal "only mail, web and word processing" workstations.
  5. Elandal

    NAS Storage Serves vs. a Server ?

    "NAS device" is probably just a computer running cheap hardware and stripped-down W2k server. Or linux, or BSD. Just with some web-frontend or windows management frontend that will try to hide the OS and apps it's actually running.
  6. Elandal

    Linux Software Raid-experiment

    Choices, choices... I'm leaving choice of brand to others, and just commenting on RAID setup. 1) 2 disks, RAID 1. Simple setup, no hassles, high redundancy. If you don't need more space that that, it's not worth going for more complex setup immediatelly. 2) 4 disks, RAID 1+0. Fast, high redundancy. 3) 4 disks, RAID 5. The CPU is there to do XOR and that's it. Decent redundancy, cost-effcient space. In case the first option is viable (you don't need more space just now), I'd go for twin SATA disks that support NCQ with the option of upgrading with many disks and NCQ-capable controller later on. The other way would be to check what you already have in other computers and might want to replace later on, building the setup with the assumption that you're going to put your old disks to this computer later. Then the choice centers on what you already have.