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Forum Discussion
shingled magnetic recording (SMR) hard drive fiasco - inquiring on recommendations
It's been a while since I jumped on the forum but what brings me here is my NAS volume utilization is hovering around 65%. I believe it's good until 80% and then starts to bark at you about storage ...
SamirD wrote:Since sas requires hardware support, if the drive doesn't fit, I bet it's not the right controller. I think os4 would support them fine since in dmesg you see the 'Fusion MPT SAS Host Driver' from LSI Logic being loaded.
RR2312 drive connectors and cabling are identical to SAS, which is why I say it "looks like SAS": I installed a SAS drive, in one, but the OS didn't see it. But it may not have an actual SAS controller, the motherboard BIOS may not support them, or OS6 may even have something that blacklists them in that unit (though I doubt the latter).
OS 4 could stll blacklist SAS drives on a unit that needs the SAS controller to access SATA drives on it. Maybe not even intentionally, but AFAIK, the RN4200V2 was the only unit that shipped with OS4 that had SAS hardware, so they may simply have never implemented it.
I'm betting the backplane is sas, but it's attached to a sata controller as can be done, so that's why no sas support.
I think os4 clearly has sas support, but it needs the hardware. It would be interesting to take readynas os4 and install it on some non-netgear hardware with an sas controller.
Okay, so someone has tried it. :D
My Intel units will allow the software to boot on anything so an old lga775 Dell can be converted in to a nas easily supposedly. I haven't tried it myself yet.
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