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Changing from Flex-RAID to X-RAID
I was casually looking at the volumes tab of my ReadyNAS admin page. And so I noticed that the X-RAID button was not lit. I specifically recall getting a ReadyNAS specifically for X-RAID capabilitie...
Your logs show a 4x2TB RAID-5 layer and a 3x2TB RAID-5 layer. Replace the 3TB disk with a 4TB disk and you should get some more expansion.
If you are running RAID-5 with a single volume then you should be able to switch to xraid with no data loss.
What is your current disk configuration? Are all the disks the same size?
Sadly they are not the same size.
It is currently RAID-5 with Flex-RAID, like so in this order from left to right in the bays:
WDC WD30EZRX-00D8PB0 3TB
WDC WD40EFRX-68WT0N0 4TB
WDC WD40EFRX-68WT0N0 4TB
WDC WD40EFRX-68WT0N0 4TB
Turning X-RAID on or off does NOT affect the data in the volume.
If you're running Flex-RAID with mixed capacity HDDs, then you are limited by the smallest HDD in your current volume.
The thread from 2009 is about X-RAID/Flex-RAID on RAIDiator 4/5.
Now, on ReadyNAS OS 6, you can switch between X-RAID and Flex-RAID (seemingly turning X-RAID on or off by the look of the GUI) without the need to Factory Default (you can't turn X-RAID back on if you don't have a "compatible" volume).
If you have a single RAID5, you can indeed turn on X-RAID and it will expand your volume by almost 2TB (a bit less if you substract overhead, etc.).
Also, please, if you're unsecure, have an external backup of your data! A RAID providing redundancy does NOT replace an external backup ;)
Chokehold wrote:
Sadly they are not the same size.
This is not a problem, it simply suggests that XRAID is a better mode for you.
You can turn XRAID on. I haven't tried that in this scenario, so I am not sure if the volume will automatically expand when you do. So let us know. If it doesn't immediately expand, try rebooting.
jak0lantash wrote:
Also, please, if you're unsecure, have an external backup of your data!
The truth is, you should feel concerned if you don't have a backup. Your data is always at risk if it is only stored on one device. Raid reduces that risk some, but it is still there.
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