mmedeiro Posted June 12, 2017 Share #1 Posted June 12, 2017 Hi, I've been running my 11 disk Xpenology DS for roughly a month with excellent consistency and performance until on of my disks, disk 3 "Disk Plugged Out" and then "Disk Plugged in" 12 minutes later. This resulted in having to rebuild. Took roughly 26 hours to rebuild which is far superior to the 7 days it took on the Synology hardware. I'm just wondering if this is common? I was using a 500 watt EVGA 80+ PSU. I ordered a second PSU to run disks 8 - 16 going forward. Disk 3 has no bad sectors and has 7500 hours on the clock so I don't think this was a disk issue. Opinions on; Do you think this was a Synology software issue? Do you think this was a Xpenology issue? Do you think this was a PSU issue? Should i flash the LSI Sata cards to IT mode? Do you think this was something else; any other hardware issue or just an anomaly? Thanks Quote Link to comment Share on other sites More sharing options...
mmedeiro Posted August 16, 2017 Author Share #2 Posted August 16, 2017 Ok, now here is the log. Looks like the disk crashed. Can i now confirm the HDD was on its way out? SMART quick check comes back fine. Quote Link to comment Share on other sites More sharing options...
NeoID Posted August 16, 2017 Share #3 Posted August 16, 2017 I also use a LSI sata card on ESXi. I've not encounted "Disk Plugged out" before, but I also have those "An I/O error occurred..." error messages on a particular drive. However, it's always the same slot, not the drive apparently. However, haven't seen that error in a few month now. Quote Link to comment Share on other sites More sharing options...
sbv3000 Posted August 16, 2017 Share #4 Posted August 16, 2017 I've had this on my real DS1812+ and xpe with Seagate disks. When its happened it was an early sign of disk failure - regardless of uptime. In my case I took out the disk and did a thorough test with hdat which picked up bad sectors, mostly in the lower blocks. I did a repair with hdat and the disk seemed to be fine for a few weeks but then it went bad very quickly so I had to replace. Even though the drive was 'repaired' by hdat first time, when I tried it again it was beyond fixing. I use toshiba disks now as they seem more reliable than seagate and 2 year warranty Quote Link to comment Share on other sites More sharing options...
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