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Readynas 214 Factor Reset issue
Ok so last night I performed a factory reset on my Readynas 214. It warned me that I would lose all data and that I needed to backup everything.
So after tI performed the reset, I noticed that the volumes were resyncing and continue t do so for the next 30 hours?
My questions
1. What is it resyncing?
2. Is it safe to be putting things back on system before resyncing is complete?
3. Why did my free space go fom around 37TB to 27TB?
Aevans0001 wrote:
1. What is it resyncing?
A factory default formats the disks, and does a completely clean installation. That includes recreating and syncing the RAID volume.
Note the resync process is needed (and takes the same amount of time) even when the file system is empty.
Aevans0001 wrote:
2. Is it safe to be putting things back on system before resyncing is complete?
Yes, but performance will be slower than usual, and the resync will take longer if you are loading data while it is running.
So if you want the fastest path to getting fully on line, you should probably wait for the resync to complete. If you want to get critical data back on line ASAP, then you can of course reload that data.
Aevans0001 wrote:
3. Why did my free space go fom around 37TB to 27TB?
Likely your disks are of unequal size. In that situation, there are multiple resyncs required to build the volume (one for each RAID group). You'll see the volume go back to it's original size when the last resync happens.
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Aevans0001 wrote:
1. What is it resyncing?
A factory default formats the disks, and does a completely clean installation. That includes recreating and syncing the RAID volume.
Note the resync process is needed (and takes the same amount of time) even when the file system is empty.
Aevans0001 wrote:
2. Is it safe to be putting things back on system before resyncing is complete?
Yes, but performance will be slower than usual, and the resync will take longer if you are loading data while it is running.
So if you want the fastest path to getting fully on line, you should probably wait for the resync to complete. If you want to get critical data back on line ASAP, then you can of course reload that data.
Aevans0001 wrote:
3. Why did my free space go fom around 37TB to 27TB?
Likely your disks are of unequal size. In that situation, there are multiple resyncs required to build the volume (one for each RAID group). You'll see the volume go back to it's original size when the last resync happens.
Thank you StephenB!
One more issue with answer 3.
3. Why did my free space go fom around 37TB to 27TB?
Likely your disks are of unequal size. In that situation, there are multiple resyncs required to build the volume (one for each RAID group). You'll see the volume go back to it's original size when the last resync happens.
My drives are all the same model and size.
Model WDC WD100EMAZ-00WJTA0
Size 10TB
i really believe the size was in the 30tb area. Will resyncing still help this?
Aevans0001 wrote:
Thank you StephenB!
One more issue with answer 3.
3. Why did my free space go fom around 37TB to 27TB?
My drives are all the same model and size.
Model WDC WD100EMAZ-00WJTA0
Size 10TB
Then the volume was never reported as 37 TB. The capacity rule for single redundancy XRAID is "sum the disk and subtract the largest" - which yields 30 TB. But the NAS reports size in TiB (1024*1024*1024*1024 bytes) not TB (1000*1000*1000*1000 bytes). 30 TB is ~27.28 TiB. So the reported size is correct.
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