April 7, 20179 yr Description: Randomly, my user shares will completely disappear from unraid. Leaving all of my machines (connecting via NFS) unable to access any of the data. The shares do return if I stop the array and reboot unraid. How to reproduce: No idea how this is happening. I do have a log file attached from right when the incident occurred. (unraid_log_04072017.txt) It shows some warning/nfsd error. Expected results: Shares don't go missing... Actual results: Shares go missing... Other information: This issue has happened on every version of unraid 6.3.x I believe. It sometimes takes days for it to happen. Hardware: unRAID system: unRAID server Pro, version 6.3.3 Motherboard: ASRock - FM2A88X Extreme6+ Processor: AMD A10-7850K Radeon R7, 12 Compute Cores 4C+8G @ 3.7 GHz Memory: G. SKILL DDR3 8GB (2x4GB) 18 disks in array 2 parity disks (dual parity) No sync errors on last parity check a week ago. unraid_log_04072017.txt Edited April 7, 20179 yr by Drewster727
April 7, 20179 yr Community Expert You need to provide full diagnostics when this happens for others to be able to help you. A log snippet is rarely of use. You can get this via Tools->Diagnostics in the GUI or by typing 'diagnostics' at the the command line. my first guess would be that the drives are dropping offline for some reason (power, cabling etc). Access to the diagnostics would allow for a more informed guess as to whether this is really the case or something else is a more likely culprit.
April 7, 20179 yr Author @itimpi got it. I will provide diagnostics output next time. Unfortunately, I lost the full logs from that timeframe due to the reboot.
April 7, 20179 yr Community Expert Well, at least you did try to follow the format for a Defect Report, but since the actual contents in that format aren't at all helpful, and it isn't happening to others, I would say it is likely a defect with your system and not a defect with the software. Moving this to General Support.
April 9, 20179 yr Author @itimpi @trurl hey guys, it happened again. It has happened a couple times today, but I was able to snag a diagnostics the most recent time. See attached. The whole server goes somewhat unresponsive for a bit of time, it did eventually come back tho. Shares went missing and all my servers were hanging trying to connect via NFS. I think it happened right at about 22:27 timeframe tower-diagnostics-20170408-2232.zip Edited April 9, 20179 yr by Drewster727
April 9, 20179 yr Author FYI - I did see a very similar issue... @razor any ideas? I noticed you talking about cache drive filesystem, mine is a 500GB SSD formatted as reiserfs. Should I format as xfs?
April 9, 20179 yr Community Expert Not a lot to go on in the short syslog. You might try checking the filesystem on cache disk. https://lime-technology.com/wiki/index.php/Check_Disk_Filesystems
April 9, 20179 yr Community Expert 8 hours ago, Drewster727 said: mine is a 500GB SSD formatted as reiserfs. Should I format as xfs? Yes, reiserfs doesn't support trim, so it shouldn't be used with SSDs.
April 9, 20179 yr Author Reformatted cache as xfs. I also had nic bonding enabled and working for over a year now, but I jumped into the network settings today and noticed it was complaining about eth0 not being connected. Swapped the cables for eth0 and eth1, then it said eth1 wasn't detected. soooo perhaps faulty nic. I disabled bonding and am just using the good nic. We'll see what happens now... Edited April 9, 20179 yr by Drewster727
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