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ReadyNAS disk addition
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Hi All,
We have a ReadyNAS4312 which is currently running with 12TBx8 Hdd's. I am planning to add 4 more 12TB disk drives to free slots
My question is:-
1- Do we need to shutdown and add the drives to free slots?
2- If we do not get downtime, will there be any impact?
3- Can we create separate volumes out of these 4x12Tb drive addition or is it going to be added
Please suggest
Thanks
Partha
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@Partha-Dash wrote:
Thanks for the suggesstions. I have attached a screenshot of the NAS. I think the X-RAID is currenlty OFF. Can you please verify
Yes, it is off. Here's what it looks like when on:
If you want multiple volumes, you might want to review the software manual section on FlexRAID first. https://www.downloads.netgear.com/files/GDC/READYNAS-100/READYNAS_OS_6_SM_EN.pdf
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Re: ReadyNAS disk addition
@Partha-Dash wrote:
1- Do we need to shutdown and add the drives to free slots?
No, you can hot-insert them.
@Partha-Dash wrote:
2- If we do not get downtime, will there be any impact?
There will be no downtime, but performance will be slower when the volume is syncing.
@Partha-Dash wrote:
3- Can we create separate volumes out of these 4x12Tb drive addition or is it going to be added
You can do either. Just turn off X-RAID first if you want to create additional volumes. Navigate to the volume page - if the X-RAID control has a green stripe on it, then it is enabled. Click on it to turn it off.
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@Partha-Dash wrote:
Thanks for the suggesstions. I have attached a screenshot of the NAS. I think the X-RAID is currenlty OFF. Can you please verify
Yes, it is off. Here's what it looks like when on:
If you want multiple volumes, you might want to review the software manual section on FlexRAID first. https://www.downloads.netgear.com/files/GDC/READYNAS-100/READYNAS_OS_6_SM_EN.pdf
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Re: ReadyNAS disk addition
You can add them all at once. Then create new volume(s) - one at a time - selecting the disks you want in each.
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Re: ReadyNAS disk addition
@Partha-Dash wrote:Thanks @StephenB
@StephenB i added just one disk to see how much time does this NAS takes to sync. It's been close to 48hrs and still it is syncing
with this speed if it goes then it will take weeks to sync all disks(if i add one by one or at a time)
Can you please advice something here
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Re: ReadyNAS disk addition
@Partha-Dash wrote:I added just one disk to see how much time does this NAS takes to sync. It's been close to 48hrs and still it is syncing
with this speed if it goes then it will take weeks to sync all disks(if i add one by one or at a time)
Can you please advice something here
If you are using XRAID (or expanding a flexraid volume), then the sync happens one disk at a time. That can take a long time, and in many cases it is faster to start over with a new volume (for instance doing a factory reset).
I was under the impression that you were going to create a new volume via FlexRAID. In that situation, the volume could have been created all at once (without multiple syncs).
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Re: ReadyNAS disk addition
@StephenB I m not using FLEXRAID. Its turned off
Can you help me understand why it takes longer time when we add a new disk to existing RAID Volume whereas when we replace faulty HDD it takes less time.and is there a way we can minimize the time
Please advice
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Re: ReadyNAS disk addition
@Partha-Dash wrote:
why it takes longer time when we add a new disk to existing RAID Volume whereas when we replace faulty HDD it takes less time.
Either way, every sector in the data volume is either read or written as part of the resync.
The resync time after replacing a disk is slightly less, since the volume isn't growing. That is, with 4x12 TB, you need 48 TB of disk I/O to resync; if you add a disk you'd have 4x13 TB (or 52 TB).
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