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Polar

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  1. "Its more like if any drives fail (just one of course) your data will still be there" ... Haha !!! And that is the technical wonder I'm trying to understand . If I have 16TB of data, and only 8TB for failover... how does this work? If I only have a one-on-one failover system (like I used to have in Linux : one disk has its own "second" disk for raid). All data is continiously synced. If one disk goes belly up, the second already has ALL data. But I can't figure out how SHR does this with 16TB agains 8TB failover.
  2. Hi all, I have 2 x 8TB configured as SHR with 1-disk fault tolerance. To make sure that the raid function is working I was looking for a way to test this. When working on a linux computer i could Force-fail by software. Newer versions of raidtools come with a raidsetfaulty command. By using raidsetfaulty you can just simulate a drive failure without unplugging things off. Is this also possible when running XPEnology? Any other suggestions on how to simulate this on a non-hot-swap system (HP N54L bios not modified) Another question that is bugging me is this: Right now i have only 2 disks, and am assuming that the current setup is ment to work in a situation where disk 1 would fail, the second disk just takes over. This would mean that there is already a synced copy of the data available on disk 2, or not? And what would the case be when I add a third 8TB HDD to the mix. The final goal would be to have 2 x 8TB = 16 TB data storage available + 1 x 8TB for 1-disk fault tolerance. It would be my assumption that if disk 1 or 2 would fail, disk 3 would step in. But then again the question would be, if I have data spread over disk 1 and 2, how does SHR knows what data to mirror on disk 3? Is there actual data on disk 3? Thanks for clearing this technical dilema
  3. Hi all. I am runing DSM 5.0.4458 (model name DS3612xs). I installed python 3.4 and pip successfully. Then I installed acd_cli. when mounting the folder as acd drive I got an error saying that the system was unable to find libfuse. Doing a find / -name libfuse gave no results. Can somebody explain how to install libfuse on my NAS? Many thanks in advance
  4. Thx for the advice. I have been reading that section, and looked at the videos. Butmaybe I am over-complicating things... What I can not seem to figure out is if I need a raid controller or not. Due to the reason that I explained above. Another thing I noticed is the status of my to added RMD drives. In ESXi 5.1 I added 2 drives to my VM by using RDM. The drives show in the XPenolgy > control panel > Info Center > Storage. Disk 4: Virtual disk, Size 16Gb, Status: Normal, Volume 1 // Disk 5: WD41EADS, Disk Size 931 Gb, Status "Not Initialized" // Disk6: WD20EARX, Disk Size 1863 Gb, Status "Not Initialized". What does this mean? Are disk 5+6 ready for usage or not? I've been reading about how XPenology installes an OS on every drive. Is that a must? Or am I missing something here? Sent from my i9220 using Tapatalk
  5. Hi. Since the N54L does not support passthrough, I am uncertain about how to go about with SHR. My VM running XPEnology has no hardware raid controller. Is this a requirement in order to use SHR? Or is this a pure software based solution? If SHR is not possible I guess the only way to play safe is to set up a HA platform with 2 servers. Any other suggestions? Sent from my i9220 using Tapatalk
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