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RN104 New Volume
Could not see this particular problem, forgive me if I have missed it and started another thread for nothing. I have a new RN104, I started it for the first time with a new 4TB disk and followed the ...
- With RAID-1 the two disks are mirrored, so adding the second drive does not add capacity - it adds redundancy. If you hot-insert a third 4 TB drive the space will increase to 7.2 TiB, and the NAS will switch to RAID-5. You still have redundancy which protects against a single drive failure.
If you wanted jbod (no RAID) then you should start over with another factory reset (with only one drive installed), switch to FLEXRAID/JBOD, and hot-insert the second drive.
Adding a new disk to the RN104 is easy, I am puzzled by your comment on "not simple to add more disks".
Hi all. I had 3x3TB caviar red hdd into my rn104. Last week I hot install the 4th, wait it to rebuild but at the end not increase the capacity, it remain to 5.5 tbyte. I read about to reboot the system and I did also but remain to 5.5 instead of 9. Have you suggestions? Thanks a lot.
Try downloading the logs, and look in mdstat.log and volume.log for the status of the newly added disk.
hi, mmmm, seems to be not into the raid...
Number Major Minor RaidDevice State
0 8 18 0 active sync /dev/sdb2
1 8 34 1 active sync /dev/sdc2
2 8 50 2 active sync /dev/sdd2
3 8 2 3 active sync /dev/sda2
/dev/md/Server-0:
Version : 1.2
Creation Time : Wed Sep 9 06:57:33 2015
Raid Level : raid5
Array Size : 5850833664 (5579.79 GiB 5991.25 GB)
Used Dev Size : 2925416832 (2789.89 GiB 2995.63 GB)
Raid Devices : 3
Total Devices : 4
Persistence : Superblock is persistent
Update Time : Wed Nov 30 18:49:36 2016
State : clean
Active Devices : 3
Working Devices : 4
Failed Devices : 0
Spare Devices : 1You could try removing the new disk, unformatting it in a PC (the "quick zero" test in WDC's lifeguard program will do that), and then reinserting it into the ReadyNAS.
Netgear could probably solve it remotely too - perhaps wait a bit and see if someone offers to help.
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