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Raid 1 for 4 drives
Hi, This may be a dumb question but I cannot seem to find the answer online.. I have a readynas 104 and I want to set it up so HDD 1 and 2 are in RAID 1 and 3 & 4 are their own RAID 1. the ...
Yes . Raid 1 for one and two HDD , another Raid 1 for 3 and 4 HDD can be done . To do this , Need to Disable XRAID , Delete the Volume created (Make sure you have a backup of your data before doing this) . Select 1 & 2 HDD , Give a Volume name & Create . Select 3 & 4 Create another Raid 1 . (Let one volume sync be completed fully before creating the second since your device has less processor power to handle both) .
Thanks Stephen. I've got 2x 4tb drives for 1&2 and 2x 2tb drives for 3&4. Not sure I have any other option than what I'm trying to do?
jhsg wrote:
Thanks Stephen. I've got 2x 4tb drives for 1&2 and 2x 2tb drives for 3&4. Not sure I have any other option than what I'm trying to do?The default XRAID would give you an 8 TB volume. Your approach would give a 4 TB volume and a 2 TB volume (2 TB less space).
One limitation of XRAID is that you can't add smaller disks to the 2x4TB array. You can add 4 TB drives to a 2x2TB array though. (disks you replace can be the same size as the one you removed. New disks need to be at least as large as the biggest existing disk).
If you have no data on them (or if you are willing to restore the data from backup), you can do a factory reset (or initial factory install) with all drives in place. That will give you the full 8 TB.
2TB , 2TB , 4TB , 4TB Raid 5 usable capacity calculator
anna_arun wrote:
2TB , 2TB , 4TB , 4TB Raid 5 usable capacity calculator
http://rdconfigurator.netgear.com/raid/index.html
Which of course gives the same result I posted.
The rule is simple enough - sum the disks and subtract the largest.
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