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Forum Discussion
kevinfor1
Dec 19, 2014Aspirant
missing available disk space - after drive upgrade
This doesn't seem right... our NAS currently has the following drives 6TB+4TB+4TB+4TB+3TB+2TB = 23TB OS 6.2.1 RN716X RAID-5 with X-RAID2 but the available storage is only 14TB - so we are miss...
StephenB
Dec 23, 2014Guru - Experienced User
Not a problem though. The 24 TB limit was based on available drives when the 716 was released. Netgear is in process of updating the various specs to say 36 TB. For instance http://www.downloads.netgear.com/files/ ... -RN700.pdf. So this will work, and give you 26 TB of storage with single redundancy, and 20 TB with dual redundancy. There is no need to do a factory reset on the 716 (though the missing space in your existing volume is still unexplained).
kevinfor wrote:
setup #2
it would look like
#1 6TB WD60EFRX
#2 6TB WD60EFRX
#3 6TB WD60EFRX
#4 6TB WD60EFRX
#5 4TB ST4000VN000
#6 4TB ST4000VN000
I guess this runs into the 24TB limit.
Of course you should back up your 716x anyway. This procedure will work (though I don't think you absolutely need to reset the 716). You might not need to reset the pro, that depends on its starting point. There's a 16 TB ceiling on the volume size, and an 8 TB growth limit from the starting point. It is possible to run OS6 on the pro, though that is unsupported.
kevinfor wrote: Sounds like what I need to do at this point is: get the RN716X to match the setup#2 above.... move the 2TB & 3TB over to the older Business Pro... replacing it's 1TB drives.. then factory reset that box (it has no data) move those 1TB drives over to the NV+ Factory reset it.. then Rsync (or if the Pro is not large enough by itself ) manually data backup backup 716 over to the Pro / NV+ - so 716 is empty ... then Factory Reset it.... move the data to the 716
Where are you based? In the US you can do an "advance replacement". Seagate will ship you a new drive (2 day shipping I think), and then you ship the old one back. Its best to test the drive with Seatools if you can, and tell them the failure code when you set up the RMA. Though there are codes you can use if you aren't able to do that - http://www.seagate.com/staticfiles/supp ... codes.html
kevinfor wrote: then call Seagate & see if they will replace the defective 4TB Drive (probably take 1HR+ on the phone with Seagate support & 2+ Weeks Shipping) then throw that new 4TB into the Pro replacing one of the 1.5TB drives..
You can see them with ssh. I believe you can also see them in volume.log (though my OS6 systems are jbod, so I am not 100% certain).
kevinfor wrote: is there any way to view the actual layers that exist on the NAS Currently?
Definitely failed.
kevinfor wrote: Sun Dec 21 2014 11:33:40 Disk: Detected increasing pending sector count: [14704] on disk 4 (Internal) [ST4000VN000-1H4168, Z300VBCR] 238 times in the past 30 days. This condition often indicates an impending failure. Please be prepared to replace this disk to maintain data redundancy.
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