OK this might seem kinda silly but I'm starting to suspect that ZFS is somehow causing bad blocks on my WD hdds.
About 3 months ago I've created 2x 8drive raidz2 pool using WD20EADS hdds. All drives were tested prior to this and none had any problems. About month ago I started to get zpool errors, thousands of checksum errors + some read and write. All drives were showing as degraded and finally the whole pool collapsed.
After that I've tested each drive again and 12 out of 17 had unrecoverable bad sectors. I did rma with WD and received the new drives.
Same story again, tested first batch of 8 drives, running windlg +hdtune pro surface scans, + hdtune pro random erase + verify. All drives tested ok.
Created new raidz2 pool out of those 8 drives and copied 2tb of data to it.
This time it only took hours before my drives started showing as degraded with lots of checksum errors.
I rebooted into windows and ran hdtune pro surface test. It's still running but already about half of those drives have bad blocks.
I'm pretty pissed and confused the drives work fine in windows but fail in nexenta and solaris express11
Here's the hardware.
Supermicro X8DTH-6F
Intel Xeon E5620
16GB RAM
SM LSI2008 hbas flashed with newest LSI IT firmware.
About 3 months ago I've created 2x 8drive raidz2 pool using WD20EADS hdds. All drives were tested prior to this and none had any problems. About month ago I started to get zpool errors, thousands of checksum errors + some read and write. All drives were showing as degraded and finally the whole pool collapsed.
After that I've tested each drive again and 12 out of 17 had unrecoverable bad sectors. I did rma with WD and received the new drives.
Same story again, tested first batch of 8 drives, running windlg +hdtune pro surface scans, + hdtune pro random erase + verify. All drives tested ok.
Created new raidz2 pool out of those 8 drives and copied 2tb of data to it.
This time it only took hours before my drives started showing as degraded with lots of checksum errors.
I rebooted into windows and ran hdtune pro surface test. It's still running but already about half of those drives have bad blocks.
I'm pretty pissed and confused the drives work fine in windows but fail in nexenta and solaris express11
Here's the hardware.
Supermicro X8DTH-6F
Intel Xeon E5620
16GB RAM
SM LSI2008 hbas flashed with newest LSI IT firmware.