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RNDU6000 adding disk
upgraded RNDU6000 to OS6, now running 6.10.2 nas has 2 x 3tb sata 7200rpm & 4 x 2tb sata 5400rpm disks, pulled disk #5 to copy data onto while upgrade was performed. raid group #1 has 5 disks(2 x 3...
The NAS is clearly confused, as you don't have RAID 50 or 60. Your best bet, if it lets you, is to switch back to XRAID. But, I rather suspect that's not going to work for much the same reason the expand doesn't. There do appear to be some holes in the XRAID logic that have evaded Netgear's testing, and I think some of that same logic is used for FlexRAID expansion. They just can't test every drive combination.
If you post the content of mdstat.log and lsblk.log (from the downloaded log .zip), we can see what you do currently have and whether you can re-add the 2TB via SSH. Please make sure all drives are installed and the NAS is recently re-booted when you download the logs, as drive designations can change on re-boot.
The only issue is that it still may not restore the ability of the NAS to figure out the next expansion step, if there ever is one. So if this is a convenient time to backup, destroy, and restore, it's your best solution.
Sandshark wrote:
The NAS is clearly confused, as you don't have RAID 50 or 60.
Well, if you look in the table on page 11 in the optimization quite ( https://www.netgear.com/images/datasheet/storage/WP-ReadyNAS-FlexRAID-Optimization-Guide.pdf ) you will see a path where the NAS will attempt to expand from RAID-5 to RAID 50. I'm thinking that might be related to this error.
It may well be the path that's hitting a limitation in the expansion logic, but is giving the wrong error message. I've seen other wrong error messages in my expansion experiments.
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