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RN104 freezing during copy. How to troubleshoot?
When I try to copy files from one share to another (on the same NAS device), Windows Explorer hangs and ReadyNAS becomes unresponsive. Copying seems to work for most shares, but always causes issues for others. When the copy attempt fails, I cannot open the Admin Page (it prompts me to log in, but after logging in, I only see the screen with the firmware version). If I manage to access the Admin Page, and try to reboot or shut down, the sutdown never completes. I can't shut down using the power button either; it just displays the "Good-bye" message on the LCD panel, so I need to unplug the cord. Once rebooted (via unplugged cord), the system comes back to life, and I can access the Admin Page, reboot normally, etc, but if I try to attempt another copy, the story repeats. I am wondering how I can troubleshoot the problem. Could it be an issue with disks? Is there any way to verify that the disks are okay? Could it be the device itself? Firmware? Somehting else? I am using two 3 TB Toshiba drives configured as RAID 1 (I think I'm using Netgear's propriatary RAID configuration which automatically increaes space when you add drives). The latest firmware (v6.4.2) was installed around the time when the problem started happening a few weeks ago (before that, it had been running problem free for over a year). I do not get alerts about drive failures. The Admin Page shows that everything is fine. Did not find anything suspicious in the logs. Space info shows 973 GB free of 2.7 TB. I'm not running any apps or anti-virus on the device. All shares are configured for access from Windows (typical settings, no FTP, etc). I turned COW off, but it did not make a difference. I'm not saving snapshots. On the client side, I use Windows 10 (x64) on wired and wireless-N home network (tried different laptops, same problem). Any ideas how to troubleshoot it? If this is not obvious, I'd like to first make sure the drives are good. Is there a recommended procedure to test RAID 1 drives without the risk of breaking something? Or is there something else I'd need to check first? Thanks in advance.