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Uffe1959's avatar
Uffe1959
Aspirant
Apr 15, 2020
Solved

My RN312 is super slow on resync after new disk has been added

After firmware update to 6.10.3 I started to look at the logs and saw increased ATA errors. Since the NAS is 7 years old I thought it might be a good opportunity to start exchange of the disks.

I bought a new Toshiba 2TB similar to the old one and replaced in NAS.

NAS is set as X-RAID.

 

Apr 09, 2020 10:02:11 AM
 
Disk: Disk Model:TOSHIBA DT01ACA200 Serial:Z9A17S2AS was added to Channel 2 of the head unit.
Apr 09, 2020 09:59:50 AM
 
Disk: Disk Model:TOSHIBA DT01ACA200 Serial:33GTP6GGS was removed from Channel 2 of the head unit.
Apr 08, 2020 08:20:25 PM
 
Disk: Detected increasing ATA error count: [101] on disk 1 (Internal) [TOSHIBA DT01ACA200, 33GKGMBGS] 14 times in the past 30 days. This condition often indicates an impending failure. Be prepared to replace this disk to maintain data redundancy.
Apr 08, 2020 10:37:50 AM
 
Disk: Detected increasing ATA error count: [39] on disk 2 (Internal) [TOSHIBA DT01ACA200, 33GTP6GGS] 19 times in the past 30 days. This condition often indicates an i

Now the resync has been running since the 9:th of April and is still on 21 % and calculates 8000h:s, sometimes 20000h:s.

 

Is it time to buy a  totally new NAS or is it repairable ?

 

I have tried some commands like: hdparm -W 1 /dev/sda

but it does not seem to turn on write cache for sda, it still says  (off)

However it seems to work for /dev/sdc.

See attached gif

 

 

 

Storage
  • ValerieD's avatar
    ValerieD
    Apr 16, 2020

    Hello Uffe1959 ,

     

    Welcome to the NETGEAR community! :)

    You should make a backup of the data first of all (on another support) as long as you have access to it.
    The errors come from the drives, so the chassis is probably not faulty.

    The sync probably takes so long because there is drive failing there and with the constant read/write operations of the sync the ReadyNAS might struggle if a drive is bad.

    Could you send me the logs via MP, please?

     

    Have a nice day,
    Valérie D
    Netgear team

6 Replies

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  • ValerieD's avatar
    ValerieD
    Community Manager
    Apr 16, 2020

    Hello Uffe1959 ,

     

    Welcome to the NETGEAR community! :)

    You should make a backup of the data first of all (on another support) as long as you have access to it.
    The errors come from the drives, so the chassis is probably not faulty.

    The sync probably takes so long because there is drive failing there and with the constant read/write operations of the sync the ReadyNAS might struggle if a drive is bad.

    Could you send me the logs via MP, please?

     

    Have a nice day,
    Valérie D
    Netgear team

    • ValerieD's avatar
      ValerieD
      Community Manager
      Apr 24, 2020

      Hello Uffe1959 ,

       

      So, the logs are confirming what I previously advised.

      Replacing faulty drives would be the best solution.

      Did you manage to make a backup on another support?

       

      Have a nice day,
      Valérie D
      Netgear team

      • ValerieD's avatar
        ValerieD
        Community Manager
        Apr 27, 2020

        Hello Uffe1959 ,

         

        Ok, so where are we since Friday?

        Can you update us about the synching?

         

        Have a nice day,
        Valérie D
        Netgear team