I moved from having a 2x4TB + 2x4TB ZFS setup to a 6x2TB ZFS using a Dell H200 Controller (flashed to IT mode) and the performance is sluggish. After installing Docker and using Glances, I noticed the alert "CRITICAL on CPU_IOWAIT (38.6)". This keeps coming up very frequently so there is obviously a bottleneck here. The CPU is a 4670K, Ram is 16GB. Is this a controller issue perhaps?
6x2TB ZFS, constant CPU_IOWAIT
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- OMV 4.x
- vulcan4d
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I moved from having a 2x4TB + 2x4TB ZFS setup to a 6x2TB ZFS using a Dell H200 Controller (flashed to IT mode) and the performance is sluggish. After installing Docker and using Glances, I noticed the alert "CRITICAL on CPU_IOWAIT (38.6)". This keeps coming up very frequently so there is obviously a bottleneck here. The CPU is a 4670K, Ram is 16GB. Is this a controller issue perhaps?
Well, that means you are using a virtual disk because your ram IS FULL. CPU IOWAIT CRITICAL What are you doing on your system?
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