Synology checking parity consistency stuck, 00% Jan 30, 2019 · I've got a DS218J Nas with 2 WD 4TB each Synology Hybrid SHR with data protection of 1 disk fault tolerance After restarting it, the NAS started the Parity Consistency Check (PCC) but it is taking too much time. Ask a question or start a discussion now. Each single drive looks "healthy", though it is stuck there for quite an unsual time, considering the initial time progression. 2. A place to answer all your Synology questions. Jan 5, 2024 · Hi! Come and join us at Synology Community. Resource Monitor doesn't show a high load on Volume/Disk. . DSM version is 6. I installed two 8GB IronWolf to my DS920+ and then added them to my existing SHR storage pool (2x6TB). the Manage was greyedout to stop the parity. Mar 10, 2014 · The root volume check was pretty quick as usual, but the next step, the Repair (Check parity Consistency) seems stuck on 0% I've left it for over 16 hours and it still hasn't moved off 0. My DS918+ has a storage pool made up of 3 drives WD-RED, 3TB each, in a single Synology Raid (SHR) Volume. After a week of waiting for something to happen, I am pretty convinced nothing is being repaired and the system is stuck. May 22, 2011 · In storage manager, the volume appears to still exist, it's 100% full and the status is "repairing (checking parity consistency)". I swapped out the first one and its in the "Repairing, checking parity consistency is running" state. 50% even with RAID Resync Speed Limits at Customize (Max 600MB/s Min 300MB/s). Then i have parity checking running and causing highly utilization. It begun this morning at 9:00 AM, but has been passed like 3 and a half hours and it only goes by 9. Slow parity consistency check on your Synology NAS? Let me tell you my story Posting this to aggregate some information together in one place to save others the time and effort to troubleshoot and resolve a long 'parity consistency check' duration that may mean you can't use your device for a week while it runs! Mar 27, 2018 · Hi Guys, Im having issue with my Synology NAS due to the sudden power shutdown. Sep 18, 2021 · With a quick look I didn't find out how Synology's Parity Consistency Check actually works. Is there any way to speed up the Checking parity consistency?. Is it safe to shut it down and replace the other drive now or do I have to wait for this check to complete? Jan 5, 2024 · Hi! Come and join us at Synology Community. 4-25556. Anyhoo my best guess is that when the new drive is being built the data is validated against stored checksum values to ensure integrity. Is this "checking parity consistency" related to how much data I have on my drives in my setup already? Would this process go faster if I had less data on my drives? Slow parity consistency check on your Synology NAS? Let me tell you my story Posting this to aggregate some information together in one place to save others the time and effort to troubleshoot and resolve a long 'parity consistency check' duration that may mean you can't use your device for a week while it runs! Dec 5, 2020 · Hi! Come and join us at Synology Community. Adding another drive to my SHR-setup in my DS918+ takes forever, as documented in many other threads. Systems shows Healthy other than that. I am upgrading both the drives in my NAS.


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