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Super slow parity sync

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I'm reinstalling my server and I added a couple 20TB drives on it.

One of them replaced the old parity disk.

Since I don't have anything in the server that I mind losing (yet) I just added the new disk, replaced the old parity drive slot with this one and started parity sync.

 

I've done plenty of parity syncs before, but this one says that it's going at the following read/write speeds:
 

Parity: 0.0 B/s 58.4 MB/s0
Drive 1: 59.9 MB/s 55.8 MB/s
Array: 65.3 MB/s 120.9 MB/s

 

On the parity sync summary, I see this:

 

Total size:20 TB
Elapsed time:39 minutes
Current position:27.1 GB (0.1 %)
Estimated speed:1.7 MB/sec
Estimated finish: 111 days, 17 hours

 

Something is not right here.
I've never had an issue with the 16TB drives.

Can someone please take a look at diagnostics and share some input? I'm at a loss here.

Thanks in advance.

titan-diagnostics-20230713-0003.zip

  • Community Expert

There's something writing to disk1.

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