October 18, 20205 yr Hi, first post, I'm trying Unraid, disk are connected to a LSI 9300-8i controller on the PCI 16x port. CPU is a I7-8700k and motherboard is a Gigabyte z370-n. Yesterday I installed one of those 8TB Western Digital white label and started that preclean operation. This morning I'm at 14h, the step 1 ( pre-read) is at 88% done, Average speed 143 MB/s Nothing else is running on the server, I stopped the Plex and all other VM's. Average CPU load is around 10-15% during the operation. Is there anything I did wrong Thierry
October 18, 20205 yr Community Expert Seems normal to me. If you want us to look closer Go to Tools - Diagnostics and attach the complete Diagnostics ZIP file to your NEXT post in this thread.
October 18, 20205 yr 39 minutes ago, tiju1000 said: Hi, first post, I'm trying Unraid, disk are connected to a LSI 9300-8i controller on the PCI 16x port. CPU is a I7-8700k and motherboard is a Gigabyte z370-n. Yesterday I installed one of those 8TB Western Digital white label and started that preclean operation. This morning I'm at 14h, the step 1 ( pre-read) is at 88% done, Average speed 143 MB/s Nothing else is running on the server, I stopped the Plex and all other VM's. Average CPU load is around 10-15% during the operation. Is there anything I did wrong Thierry That's normal, just running preclear on a shucked Prime Day 8TB WD drive, it took a little over 17 hours for the first read averaging 130MB/s. They slow down quite a lot on the inner tracks at the end. Keep in mind that parity checks etc will take the same time.
October 18, 20205 yr Author Step 1 of 5 Pre-Read just finished took 16h and 25 minutes at 135 MB/s tj
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