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Forum Discussion
Using an old disk for x-RAID
Hi
I have a seemingly basic question, but I can't seem to find any answer that covers it completely.
I've upgraded my readynas duo v1 from:
1: 500GB disk
2: 1TB disk
To:
1: 1TB disk
2: 1TB disk
--------------
The 500GB disk, I want to use to install in my dads Readynas Duo since he only have one 500GB disk installed at the moment. Thus not having redundancy.
My question is:
Can I just insert my old HDD as is, into my dads NAS and expect the NAS to work out that all the old data on the 500GB disk should be cleared and then synced with the existing 500GB disk in my dads NAS?
Hope I make a little sense :)
NB: Both NAS is running RAIDiator 4.1.13
Thanks in advance
I have a seemingly basic question, but I can't seem to find any answer that covers it completely.
I've upgraded my readynas duo v1 from:
1: 500GB disk
2: 1TB disk
To:
1: 1TB disk
2: 1TB disk
--------------
The 500GB disk, I want to use to install in my dads Readynas Duo since he only have one 500GB disk installed at the moment. Thus not having redundancy.
My question is:
Can I just insert my old HDD as is, into my dads NAS and expect the NAS to work out that all the old data on the 500GB disk should be cleared and then synced with the existing 500GB disk in my dads NAS?
Hope I make a little sense :)
NB: Both NAS is running RAIDiator 4.1.13
Thanks in advance
4 Replies
- If you hot-add the disk (add while NAS is on) that should happen. It wouldn't hurt to connect the disk up to a PC and delete the partitions off it before adding it into the Duo though.
- Thanks for the fast reply
Is there any difference between hot-adding disks and adding them with the NAS turned off?
Does the RAIDiator perceive it differently?
Yes.bais wrote: Thanks for the fast reply
Is there any difference between hot-adding disks and adding them with the NAS turned off?
Does the RAIDiator perceive it differently?
When you hot-add a disk, the firmware sees the disk-insertion event. That triggers a disk format, and then a rebuild of the RAID array - no matter what was on the disk before.
If you insert a disk with the NAS off, then the NAS looks at the disk contents. If the contents appear compatible, it will simply attempt to mount it (which might or might not work). If it is not compatible, it will generally format and rebuild - though sometimes it will give a "corrupt root" error. If it is unformatted, it will of course rebuild.
So generally, if you are intending the NAS to wipe the drive and merge it with the array, you are better off doing a hot-insert. If that is not your intent, you should of course always power down, and insert.- Thanks guys
I've now made it work - straight forward no fuzz!
I cleared the data from the partitions on the old disk, couldn't get rid of the partitions themselves.
Then I hot-added the old disk to the nas, which started syncing right away.
Thanks again :-)
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