February 8, 201511 yr OK, I had a bad 4TB Seagate drive so I replaced it yesterday with a new WD 4TB drive, but it is taking forever to rebuild the drive. It's been fluctuating between 500kB/s and 18MB/s. As of now, it's been running for almost 24 hours and is only 13% done. I have attached the current syslog from the running server. Please note that the date/time is off in the server. I checked and what I have posted is what's going on now. Any help would be greatly appreciated. 2015-02-08_UnRaid_Syslog.txt
February 8, 201511 yr Looks like one of your drives has a loose / poorly connected cable. Probably happened when you swapped out the cable. Without the full syslog, I can't tell which drive it is (ata6 is not necessarily disk 6). I would probably stop the rebuild, shut the system down, check every connector (power & sata) and the hard drive and mobo end then restart the rebuild.
February 8, 201511 yr Author Sorry, running 5.0.5 and here's the syslog. If you can identify the actual disk / cable that would be awesome! 2015-02-08_UnRaid_Syslog.txt
February 8, 201511 yr Author I found this in the Syslog, so I'm assuming ata6 is the Seagate 2GB drive. Yes? ata6.00: ATA-8: ST2000DM001-9YN164, Z1E0ZN20, CC4H, max UDMA/133
February 8, 201511 yr Correct. But, I would check all the cables while you're back inside. Problems like this is why I'm a huge fan of hotswap cases. Its far to easy to just slightly knock one of the cables around otherwise
February 8, 201511 yr Author Squid - Thank you for pointing me in the right direction. It looks like I'm back in business. I replaced that cable just to be sure and i'm now rebuilding at 48MB/sect. Again, thanks!
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