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Forum Discussion
Performance during scrub
First off, yes I’ve definitely commented on this in the past. But this time I have context I didn’t have before. In particular, in the past week or so I have replaced three drives (due to increasing r...
I thought I disabled the scrub on both of my NAS devices, but apparently not :smileyfrustrated: My second NAS with the latest OS 6.10.2 has worked for 11 days now and getting from 86% to 88% took already more than 3 days. I pressed the cross besides the progress bar to stop the scrub. Is that Oke to do or can I have created a corruption by cancelling the scrub progress. The log shows that the scrub process was stopped so I guess all is fine. I just want to check to be sure and I do hope Netgear solves this as soon as possible.
I can't say I'm hopeful. It's come up many times over years and there has been no movement on it.
What I've taken to doing is running defrags, scrubs, and balances via SSH. In particular, I launch the scrub with
btrfs scrub start -c 3 /data
and check status with
btrfs scrub status /data
. Should you need/wish you may stop the operation safety by using
btrfs scrub cancel /data
Thank you btaroli it is a shame that this is not resolved whereas this appratnly is already know by Netgear for years. I have had a lot of issues with my RN628X's and I will reconsider when I replace them if I will stick with the ReadyNas series. The isuses I have had are:
- I have had a bricked RN628X during a firmware update;
- I have had a RN628X that all in a sudden without any notice or root cause got a read pnly volume;
- The RN628X I use as my main device is a lot of the times extremely slow without me understaindfing why (no apps installed and onlu opne activce user via a 1 Gigabit connection not doring anything particular). This sloweness is soo bad I had to abbandon the use of my only iSCSCI LUN that I was using as the disk was contantsly dropping off;
- This main RN628X now performing the regular disk check and whereas this was taking normally max 1 day it is now running for 5 days and I can's see a precentage of completion so I have not a clue if it got stalled or something. I will wait a couple of days more and then perform a reboot to see if that helps;
- This main RN628X has back-up jobs to my second RN628X and all jobs run fine except for one. Also here: I would not have a glue why this is.
All in all my trust in the RN628X is not what I want it to be. I do hope Netgear is reading the community messages and improving on this as I see a lot of room for improvement! I will use your steps to perfrom a scrub test. Do you by chance also have the commands I can use for a SSH session on defrag, balance and disk test as well?
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