April 20, 20242 yr Hello Unraid Community, I recently installed Unraid 6.12.10 on my mini PC and have set up my storage with two 1TB HDDs formatted with XFS (which have Data on), and a brand new 4TB HDD. I prepared the 4TB drive using the preclear feature from the Unassigned Devices plugin. I've designated this 4TB HDD as a parity drive and initiated a manual parity check without enabling the 'write corrections' option. As the parity check progresses, I'm noticing an increasing number of sync errors being reported. Is this normal for a first-time parity check? I would appreciate any insights or suggestions on how to address this issue. Thank you!
April 20, 20242 yr Community Expert If you added a new parity device you must do a parity sync first.
April 20, 20242 yr Author 3 minutes ago, JorgeB said: If you added a new parity device you must do a parity sync first. @JorgeB thanks for your prompt reply :). I don't remember that i saw a parity sync option or button. Where or how can i do a parity snyc ? thats means, that i should stop the parity check, right ?
April 20, 20242 yr Community Expert If you add a parity drove to an existing Unraid array then the sync is automatic when the array is next started. If this did not happen then that implies you did something other than the normal process for adding a parity drive.
April 20, 20242 yr Author thanks for your reply. thats means, that the parity check is wrong and i should stop it, and figure out how to start the sync ? what i did was that i added the disks to the array and then added the parity disk and then started the array. Edited April 20, 20242 yr by salar
April 20, 20242 yr Community Expert 2 hours ago, salar said: then added the parity disk and then started the array. That would start the sync. Unless you happened to wrongly tick the "parity is valid" checkbox.
April 20, 20242 yr Author Solution Quote Unless you happened to wrongly tick the "parity is valid" checkbox. you're right, id did that 🤦♂️. so for those who may have the same problem. As @Kilrah said, I checked the "parity is valid" checkbox, so the parity sync did not start automatically. I took the following steps to get the parity sync working again: Cancel parity check Tools --> New Config add array's disc start array stop array add parity start parity sync
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