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Re: (RN104) Length of Scrub Maintenance with 2x 4TB WD Red in Raid 1
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2019-03-24
04:21 AM
2019-03-24
04:21 AM
(RN104) Length of Scrub Maintenance with 2x 4TB WD Red in Raid 1
Hello,
I have a RN104 4-Bay Readynas with 2x 4TB WD Red Drives.
Scrubbing of those Drives takes (nearly) forever...
Its running since 8 hours and only reaced 1.1%
I was on firmware 6.9.5 with same problem.
Updated to 6.10 RC2 and problem persists.
Did a complete factory reset with only restoring data and starting with fresh config.
Same problem.
I had 4x1TB Drives bevore in Raid 5 and Scrubbing took about 24 hours.
I have enabled Bit-Rot-Protection.
Restoring the Data vom external USB3 Drive took about 28 hours for 2.65TB.
But is it normal, that scrubbing takes that long?!
I mean this would be about 25-30 days with constant scrubbing?!
I also have to say, that no one is using the nas so this could not be the case that it is sooo slow.
I have a RN104 4-Bay Readynas with 2x 4TB WD Red Drives.
Scrubbing of those Drives takes (nearly) forever...
Its running since 8 hours and only reaced 1.1%
I was on firmware 6.9.5 with same problem.
Updated to 6.10 RC2 and problem persists.
Did a complete factory reset with only restoring data and starting with fresh config.
Same problem.
I had 4x1TB Drives bevore in Raid 5 and Scrubbing took about 24 hours.
I have enabled Bit-Rot-Protection.
Restoring the Data vom external USB3 Drive took about 28 hours for 2.65TB.
But is it normal, that scrubbing takes that long?!
I mean this would be about 25-30 days with constant scrubbing?!
I also have to say, that no one is using the nas so this could not be the case that it is sooo slow.
Model: RN104|ReadyNAS 100 Series,RN10400|ReadyNAS 100 Series 4-Bay (Diskless)
Message 1 of 3
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2019-03-25
02:27 PM
2019-03-25
02:27 PM
Re: (RN104) Length of Scrub Maintenance with 2x 4TB WD Red in Raid 1
It shouldn't be taking that long. Have you downloaded the log zip file and looked at the disk health in disk_info.log?
Perhaps also try putting the disks in a Windows PC, and test them with lifeguard.
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2019-03-26
07:59 AM
2019-03-26
07:59 AM
Re: (RN104) Length of Scrub Maintenance with 2x 4TB WD Red in Raid 1
I looked up disk health in webUI and shell with smartctl.
Both discs are good without any problem.
And I have to say that it is ok now. Scrubbing took 47 hours.
Before the factory reset I had it run for 2.5 days and was only at 9.75%.
Whatever the problem was, the factory reset and restoring only the data helped.
Both discs are good without any problem.
And I have to say that it is ok now. Scrubbing took 47 hours.
Before the factory reset I had it run for 2.5 days and was only at 9.75%.
Whatever the problem was, the factory reset and restoring only the data helped.
Message 3 of 3