Symadic William Posted August 23, 2020 Share Posted August 23, 2020 I am a newbie and still got a lot of questions on UnRaid. 1) Can UnRaid install in a old harddisk instead of booting from USB? 2) If 1) is impossible, what if my USB die? Do I need to pay for the license again? 3) As UnRaid is not using Raid when writing file and hence I think the file transfer speed will be limited by the max. transfer rate of harddisk, other than using cache, are there any way to make UnRaid got better file transfer rate? 4) Any deduplication function in UnRaid Thanks All Quote Link to comment
Pducharme Posted August 23, 2020 Share Posted August 23, 2020 Hi and welcome! 1. No, only from the USB stick. 2. No, you have a process to follow to get a new Licence (free) by providing the new GUUID of the new Usb Stick you use. 3. No, the only way is by adding a cache drive. 4. Don't know about this one. Quote Link to comment
testdasi Posted August 23, 2020 Share Posted August 23, 2020 3. Read speed is limited by the speed of the drive on which the file is stored. Write speed in reconstruct write (aka turbo write) is limited by the slowest disk in the array. Write speed in normal mode is roughly half the slowest disk in the array. Cache only improves write speed but never read. 4. No dedup. It aint ZFS Quote Link to comment
JonathanM Posted August 23, 2020 Share Posted August 23, 2020 3 hours ago, Symadic William said: 1) Can UnRaid install in a old harddisk instead of booting from USB? Unraid installs in RAM, the USB is only used at boot, and to save persistent configuration changes. Running from RAM is WAY faster than running from disk. Quote Link to comment
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