January 16, 20215 yr Hi everyone! I wanted to create my own home server for a very long time and two days ago I finally built one. I'm loving Unraid so far for how easy it was to setup but today I encountered my first problem. I had 4 external WD drives: - WD Elements 8TB - completely empty - let's name it E1 - WD Elements 8TB - completely empty - E2 - WD My Book 8TB - with data - D1 - WD My Book 8TB - with data - D2 I started my array with the empty ones. One as parity, one as data1. It took about 11 hours to check the parity drive but after it finished I started moving data from D1 to my array through the share I have created. After that I stopped the array and turned off my system. I formatted D1 using Windows Explorer, installed it in the system, booted my server and assigned new drive as data2. Unraid started to checking new drive but it stopped at about 6%, displayed some error and started another parity check (which is now at 46% with 7hrs remaining). Is it normal procedure for Unraid and new drives (for the system) that already had data on it? What should I do after parity check finishes? I'm also attaching my diagnostics logs/raport. Thanks for all the answers and tips! orion2-diagnostics-20210116-2208.zip Edited January 17, 20215 yr by paululibro
January 16, 20215 yr Quick glance and it appears that when you installed the new drive you knocked some cabling slightly loose causing issues (SATA isn't exactly known for being a robust connector). Reseat everything. Also, once you have a parity drive, Unraid will always clear the drive out (write zeros to it) to ensure that parity remains consistent. Quite normal, expected, and when you think about it, the only thing possible to happen)
January 16, 20215 yr Author 9 minutes ago, Squid said: Quick glance and it appears that when you installed the new drive you knocked some cabling slightly loose causing issues (SATA isn't exactly known for being a robust connector). Reseat everything. So should I turn it off and check the connections or wait for the parity check to finish (50% now)? Won't it start again from zero after reboot?
January 16, 20215 yr Community Expert 15 minutes ago, paululibro said: I turn it off and check the connections yes 15 minutes ago, paululibro said: wait for the parity check to finish pointless since parity check is meaningless with the bad connection 16 minutes ago, paululibro said: start again from zero after reboot yes
January 17, 20215 yr Author Unraid just finished clearing the drive, SMART test is reporting no errors and parity is valid so probably there was a problem with connections as you said. Thanks for help
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