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Forum Discussion
How to change the RAID 5 to RAID 6
How to go from raid 5 to raid 6 on that device? Thanks
aalexandrebeta wrote:
How to go from raid 5 to raid 6 on that device?
Thanks
How many disks are installed now? Also what sizes are the disks?
Well there will be on the first place 4 HDD on raid 5 and want to upgrade to Raid 6 with 5 HDD with a brand new RN428. And use my old RN316 as a back up unit with a 4HDD Raid 5 unit.
The target is to be able upgrade the capacity just adding HDD not replacing the entire array.
This summer all systems will enter an hibernation mode due to heat and a lack of AC, so will be back on business end of august.
I am no in a hurry just want a way to configure my future unit properly and with efficient way.
Regards.
aalexandrebeta wrote:
Well there will be on the first place 4 HDD on raid 5 and want to upgrade to Raid 6 with 5 HDD with a brand new RN428. And use my old RN316 as a back up unit with a 4HDD Raid 5 unit.
This is a case where the details do matter.
If you have 4 HDDs of the same size, then you can switch to flexraid and add the 5th disk for redundancy. You should then be able to switch back to XRAID.
aalexandrebeta wrote:The target is to be able upgrade the capacity just adding HDD not replacing the entire array.
Which could be complicated by switching to RAID6. As StephenB said, the details matter, which is why he asked about number and size of the existing and new drives. It is also important to know if you already have a vertically expanded array (if you upgraded the drive size at any point). Because if you do, you won't be able to switch back to XRAID after switching to FlexRAID for the RAID6 conversion, ewven if something else keeps you from making that conversion..
You also don't need to switch to RAID6 now to retain that expansion capability. The NAS will automatically switch to RAID6 on either the 6th or 7th drive added once your array is in the 428 (I'm not sure, I don't have a >6 bay desktop model) as long as the drive sizes are capable of becoming a RAID6 array.
Today I have A RN316 with 3 RAID 1 Arrays (don't judge it was an idiotic solution) to be reshuffled as a Raid 5 4HDD to be considered as a backup when my future RN428 will be configured.
So my future device will have 5HDD Raid 6 to be expandable when adding an HDD.
If you have any suggestion for that tuning shoot!!
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