Barry Staes Posted February 5, 2016 Share Posted February 5, 2016 I just bought an Unraid licence, a new SSD and HDD and decided it wouldnt hurt to do a preclear. So.. yesterday i installed the Preclear plugin and the preclear_disk.sh script. I started it via the webinterface on a SSD and a HDD, and the Main page shows the activity. However, after a few hours i came back and found that the GUI is no longer updating. 12 hours later, still no change: The preclear menu page does not show any unassigned disks. (this is OK, i think?) The Main page does show two disks preclearing, but its still not updating. One preclear was at 9% and the other at 26%, in different stages but not quite sure which. They also show a MB/s and ETA time, which also are frozen. The Stats shows 35% sustained CPU usage but no (!) disk activity. (screenshot attached) The `top` command shows two processes `dd` with 100% cpu usage each. Both disks where spun down. Hoping this would help, i just stopped the array, and started it again. Nothing changed, except that the drives are no longer listed on the Main page or Dashboard page. The Tools > Devices also no longer show them as a SCSI device. I only ran one preclear cycle, and i expected the 500GB SSD to be done by now. The 6TB HDD wil take longer ofcourse. The machine is a i7 920 (4 core). Questions: [*]Is there any way to see the actual preclear progress? I'd like to know the % or ETA. Running pkill -USR1 -n -x dd outputs nothing. [*]Should i just cancel the preclear, and try it again? How? Or just reboot? I'd like to get on and use this SSD to replace my cache.. [*]Could the (new) PCIe controller that these disks are on be to blame? Link to comment
Barry Staes Posted February 5, 2016 Author Share Posted February 5, 2016 I got a reply on this in another thread: I've started a preclear via the plugin, but after a few hours i cant see any progress. The CPU top command shows two dd processes at 100% each, but there is no disk activity.. I descided to start a new subject to not hijack this thread. https://lime-technology.com/forum/index.php?topic=46303.0 I'm using a fairly virgin Unraid system, which makes me think this is a bug. One quick thing. Double checked that you do not have an ad blocker running or some other software/browser-setting to prevent pop-ups. You may have to whitelist your unRAID server. I just double checked, no ad is blocked.. But where in Unraid would a new window pop up? Should i leave the webinterface open or something? (which i didnt) Link to comment
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