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Rebuild speeds very slow 20MB/s

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Myself again

 

I have acquired 2 8tb disks so was putting them both into parity so I can upgrade down the line but my estimated rebuild speed shown as 19.9 MB/sec "see screenshot"
1051324848_currentrebuildspeed.PNG.de0286534a539644f34f2860e1703487.PNG

the history of parity checks are normally around 100 MB/s. "see screenshot"

1406781120_historyassumeerroristheheatissuecausenoerrorsondisks.PNG.77f3eb7780a6cae7c6b777b554a9312a.PNG

 

Disk specs
New parity 1 disk - ST8000NM012A - RPM 7200
Parity 2 - MG08ADA400NY - RPM 7200

Disk 1 - MG08ADA400NY  - RPM 7200

Disk 2 - WD40EFRX - RPM 5400

Disk 3 - MG08ADA400NY - RPM 7200

 

Old party disk going into array - WD40EZRX - RPM 5400

Parity 2 will be another ST8000NM012A - RPM 7200 disk not yet connected

 

So i know it aint the RPM 5400 causing this slow down since not been an issue in the past there is one error shown but i assume that is due to the new disks temp being hot

 

logs/daigs before i stopped docker - vault101-diagnostics-20240312-1033.zip vault101-syslog-20240312-1032.zip

 

Stopped docker cause there was some activity from plex but made no difference to the speeds
 

Tried to start docker again but I has failed to start don't want to reboot cause the rebuild in progress unless someone advised to reboot but can someone assist here please ?

 

961464267_dockerstarts.thumb.PNG.70e352c23467a448feb3d3dfd93b22da.PNGfailed.PNG.02b9f180a063a81fe64238d8c6035d4c.PNG

 

EDIT logs after i tried to start docker

vault101-syslog-20240312-1055.zipvault101-diagnostics-20240312-1055.zip

 

Edited by LoyalScotsman

Solved by JorgeB

  • Community Expert
  • Solution

You are using USB, retry with SATA.

  • Author
12 minutes ago, JorgeB said:

You are using USB, retry with SATA.

never had the issue before hand but i was thinking that the new USB HHD holder i got might be causing it to run very slow :(

  • Author

is there away to get docker running again without a reboot ?

  • Community Expert
Mar 12 11:08:56 Vault101 root: '/mnt/user/system/docker/docker.img' is in-use, cannot mount

 

Try unmounting it manually and then re-enabling the service, but it may need a reboot.

  • Author
1 hour ago, JorgeB said:
Mar 12 11:08:56 Vault101 root: '/mnt/user/system/docker/docker.img' is in-use, cannot mount

 

Try unmounting it manually and then re-enabling the service, but it may need a reboot.

yeah i tried that no joy so stopped the rebuild and juggled the usb caddle around until i get a new raid card, but turns out the slow speed was cause i used a usb 2.0 instead of the 3.0 port now back up to 100mb/s - 150mb/s

  • Author

marked your usb as soltuion but once i changed them over to usb3 it was back to normal speeds :)

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