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pjdas's avatar
pjdas
Aspirant
Sep 04, 2020
Solved

Stop ReadNAS synchronising

I have a brand new ReadyNAS 214, just set up with 4, as soon as the volume was created it set about synchronising? Synchronising what?

 

The intended purpose for this NAS is to act as a file server on a small network with about 12 PC's. I don't want it synchronising anything. How do I disable this?

 

Thanks

 


  • pjdas wrote:

    I have a brand new ReadyNAS 214, just set up with 4, as soon as the volume was created it set about synchronising? Synchronising what?

     

    I don't want it synchronising anything. How do I disable this?

     


    The disks are being synced with each other. The system is basically creating the RAID array.  Data and RAID recovery blocks are striped (spread) across the 4 disks. The RAID recovery blocks allow the contents of any disk to be recovered from the other three disks.   That gives you some protection against routine disk failures, and also lets you upgrade to larger disks (or replace disks) in the future without down time.  Note these data blocks are your "raw storage" - and the recovery blocks are needed even for the free space in your volume.

     

    These RAID recovery blocks are being created in the background.  You definitely don't want to disable this.  If you managed to do it, the RAID array status would change to degraded or worse.  Note the system performance will be sluggish until the process completes.

     

    As an aside - although RAID redundancy is a good thing, your system is still vulnerable to data loss.  System failure, power loss/surges, malware, fire/flood, user error, etc can all still result in loss of data.  So you do need a backup plan for your NAS.

     

     

     

     

     

3 Replies

Replies have been turned off for this discussion

  • pjdas wrote:

    I have a brand new ReadyNAS 214, just set up with 4, as soon as the volume was created it set about synchronising? Synchronising what?

     

    I don't want it synchronising anything. How do I disable this?

     


    The disks are being synced with each other. The system is basically creating the RAID array.  Data and RAID recovery blocks are striped (spread) across the 4 disks. The RAID recovery blocks allow the contents of any disk to be recovered from the other three disks.   That gives you some protection against routine disk failures, and also lets you upgrade to larger disks (or replace disks) in the future without down time.  Note these data blocks are your "raw storage" - and the recovery blocks are needed even for the free space in your volume.

     

    These RAID recovery blocks are being created in the background.  You definitely don't want to disable this.  If you managed to do it, the RAID array status would change to degraded or worse.  Note the system performance will be sluggish until the process completes.

     

    As an aside - although RAID redundancy is a good thing, your system is still vulnerable to data loss.  System failure, power loss/surges, malware, fire/flood, user error, etc can all still result in loss of data.  So you do need a backup plan for your NAS.

     

     

     

     

     

    • Sandshark's avatar
      Sandshark
      Sensei

      StephenB wrote:

      So you do need a backup plan for your NAS.

      Unless everything on it is already a backup (not to be confused with archival) and going back to the original source isn't out of the question if the need arises.

    • pjdas's avatar
      pjdas
      Aspirant

      Ah... Okay, I didn't realise that's what it was doing.

       


      StephenB wrote:

      The disks are being synced with each other. .

       

      In that case then no, I don't want to disable it. It's certainly different terminology to the older 5 bay DLink NAS I have the and the ancient 6 bay QNAP which I'm retiring to be replaced with this one, they both use the term 'initialising' rather than 'synchronising' and I suppose that threw me.

      Thanks for pointing that out for me.

       

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