October 8, 20223 yr I replaced both parity disks and began parity built. It should take more than 3 days. What happens if a power outage happens during the parity built? Does it have to be started from beginning or it continues from where it reached before the outage? I have a UPS that lasts for few minutes, but I moved to a new flat in which power supply is occasionally fails to supply my home's power consumption.
October 8, 20223 yr Community Expert Solution 7 minutes ago, Gico said: Does it have to be started from beginning ^This
October 8, 20223 yr Community Expert The Parity Check Tuning plugin may be able to restart the check if the UPS allows you to do a clean shutdown as long as you enable the restart option in the plugin settings. Having said that I have never checked if the restart option works for building parity or simply for checking parity (which is the Use Case I know works). If it is currently only working for checking parity I must see if I can also get it to work when building parity.
October 9, 20223 yr Author Thanks. I'll investigate/prepare this option if this would be the last resort.
October 9, 20223 yr Community Expert 25 minutes ago, Gico said: Thanks. I'll investigate/prepare this option if this would be the last resort. I’ve checked the code and at the moment it only allows for resuming a parity check from the last position reached after a reboot or array stop/start. I will need do some investigation to see whether the plugin can be enhanced to allow a similar capability to be extended to drive rebuilds and/or parity syncs (builds) .
October 9, 20223 yr Author Thanks. How does "Use increments for Parity-Sync/Data Rebuild operations" option should be used? Can/Could it be set to Parity-sync with increments, so that after every increment reached I can/could manually set it to start the next increment, so I would risk only losing progress from the last increment?
October 9, 20223 yr Community Expert 17 minutes ago, Gico said: Thanks. How does "Use increments for Parity-Sync/Data Rebuild operations" option should be used? Can/Could it be set to Parity-sync with increments, so that after every increment reached I can/could manually set it to start the next increment, so I would risk only losing progress from the last increment? No, unfortunately that will not work. That option is only about automatically pausing/resuming a running operation, not about restarting it from the point reached after a reboot or array start/stop which is what you want.
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