April 4, 201412 yr I'm in the process of pre-clearing a new 1T hard drive and step 2 of the process seems extremely slow at 957 kB/s. Step 1 flew along at 150 MB/s. The drive is attached to a pci-e sata card (with a Marvell chipset) that I replaced a pci sata card (Silicon Image chipset) with. Any suggestions? BTW this is on Unraid 5 with a quad core AMD cpu with 4 gigs ram.
April 5, 201412 yr Author Attach a syslog and SMART report. Smart report and sys log attached. syslog.zip smart.txt
April 5, 201412 yr Author I powered down the server, restarted, array was brought online (without the new disk of course) and now preclearing stage 2 is chugging along at 126MB/s. Strange.
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