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Forum Discussion
migrating HDD to new readynas
Hello.
I am useing Readynas Ultra 6(OS4.2.30).
My ReadyNAS is broken, so I want to transfer the HDD to a newly obtained machine of the same model.
If the OS4 version is the same, can I just transfer the HDD and use it without losing data?
It's my first time using Readynas, so I'm worried. If anyone knows please let me know. My concern is data loss. Please let me know if there is anything else I should be aware of.
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Sorry for my bad English.
What I want to do is remove the 6 HDDs from the failed Readynas, insert them into the new Readynas Ultra 6 (purchased second-hand), and use them without data loss.
It won't be rebuilt without permission, right?
daiji wrote:What I want to do is remove the 6 HDDs from the failed Readynas, insert them into the new Readynas Ultra 6 (purchased second-hand), and use them without data loss.
That will work, as long as the failure didn't damage the array.
I recommend inserting a test disk into the replacement first. This is important because many Ultras have been converted to run OS 6 firmware. If your NAS is running OS 6, post back. (FWIW, I recommend converting the NAS, but that does require a full backup as the data on the NAS is wiped during the process. So maybe talk about that later)
It if is running 4.2.x, then if the firmware is older than 4.2.31, then install 4.2.31 firmware on the replacement with the test disk inserted. Then make sure the NAS will boot with the test disk in every slot (power down, move the disk to the next slot, power up...).
Once that is done, move the disks in the array to the new NAS while it is powered down. Then power it up.
daiji wrote:It won't be rebuilt without permission, right?
Anything you insert with the NAS powered up will be reformatted without warning. So make sure you migrate when the replacement NAS is powered down.
Hello. Stephen B.
Thank you very much for your answer.
I'm happy that I can migrate data between OS4 Readynas just by replacing the HDD without losing data.I thought I would proceed as follows.
1. I insert one unused HDD into the new Readynas Ultra6 and check the version of ReadyOS.
2. If the version of ReadyOS on my new Readynas was OS6, downgrade to 4.2.31.3. Power off my new Readynas. (also pull out the power cable)
4. I swap HDD from my old (broken) Readynas Ultra6 to new Readynas Ultra6. (Align the insertion position of the HDD as well)
5. Plug in my new Readynas Ultra6 power cable and boot.
6. I can see the data on my new Readynas Ultra6.
Please give me another piece of advice.
I remember the OS version of my old Readynas Ultra6 was 4.2.30.
Should I update(or downgrade) the OS version of my new Readynas Ultra6 to 4.2.31 before inserting the HDD?
Is it OK to insert Readynas HDD (4.2.30) into Readynas (4.2.31)?
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