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Vertical volum expansion of X-RAID RN10400 : How many disk swap to note a volume change ?
Hello the Netgear community.
I do own 2 RN10400 and am very satisfied with them.
I would like to expand volume of my 4x2TB one. Placing month after month 4 WD 4TB disks.
I understood I can change disks one by one using hotswap feature and I must wait for the rebuild process to be done. Pretty handy method, compared to other "total backup" ones !
My questions :
Will a see a "volume change" result after the 1st 4TB is installed and synced ?
If not, how many disks should I swap before noting the volume expansion ?
Do I need a NAS reboot to note it ?
Best, Olivier
Hello,
just to close this subject : I could gain 1,24TB of secured data, changing 2x2TB HDD with 2x4TB ones in my Neadynas RAID-X system. First disk resync is quite long, second one is much faster, but everything ran clean. Many thanks to StephenB and Bedlam1 for all your kind and patient advices ...
Nice product !
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Olbom wrote:
Will I see a "volume change" result after the 1st 4TB is installed and synced ?
No.
Olbom wrote:
If not, how many disks should I swap before noting the volume expansion ?
It will increase by 2 TB when the second disk's resync is complete.
The third and forth disks upgrades will also result in a 2 TB expansion (6 TB total).
The NAS reports TiB (1024*1024*1024*1024), not TB (1000*1000*1000*1000) so it will report somewhat smaller values.
Olbom wrote:
Do I need a NAS reboot to note it ?
It will need to reboot partway through the second disk drive. The first step on that disk is resyncing the original 2 TB. A reboot is needed to start the second phase of vertical expansion (when the space increases). You likely will need to do that boot manually (the web ui will tell you).
Many thanks StephenB for the quick and very complete answer ! This "case study" should be written somewhere in the READYNAS manual ...
Then I will buy 2 4TB disks and swap them accordingly ! Really nice to double NAS capacity so easily !
best, Olivier
It is easy, but I should warn you that the resyncs will take a while (esp the last three). The bigger the volume the longer the resyncs take (everything on every disk is touched during the process). On the RN100 you will also see a performance dropoff during the resyncs.
Also with RAID the volume is not protected during the resyncs. Though it almost always goes smoothly, maintaining backups is a really good idea.
Let us know how it works out for you.
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