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Miss that. Yes. Or use one HBA and onboard SATA. Use external enclosure also benefit for avoid all disk burn out by same PSU if it fire all stuff.

If your disk is SATA, then the signaling in external path was SATA instead SAS, this will limit the allowable cable length, best was add SAS expander in external enclosure, so only last mile was SATA. 9211, 9207 May be, because not cost effective only for 4 external disk, suggest change other case for 12 disks.

Try that or the solution from whole thread " Thanks for getting back. I got it working. I uninstalled the AMD Vendor Reset plugin from UnRaid. I disabled `Resizable BAR` and `Above 4G memory/Crypto Currency mining` in my MSI x570 Tomahawk Wifi and everything fell into place. Wow..took me 8 hours 😞 "

Sound good you mark it solve, does end up divide disks power by 2 PSU ? I stirctly won't power too much disk by single PSU because insufficient power handling on 5v side. Problem happen after several months should due to max load long time ( especially 7x24 ) and some PSU component reach lifetime then trigger PSU protection.

Got similar problem yesterday when update docker, but only pihole docker have such problem, OS still 6.10rc2 no change.

I try setup openspeedtest docker in an J1900 Unraid, test result great, only speed drop if I disable NIC offload, but still got 200Mbps+ Does your 2.5G switch have 1G port ? if yes, pls try connect Unraid to it and provide "ethtool -k eth0" output.

Both fine, end up also rebuild parity2 with replacement disk.

Not that, VLAN is an isolated network with main network, so if you want client / VM / docker got IP assign, you need DHCP service in that VLAN. Docker network have DHCP on/off feature, but this "should be" serve docker only, not for VM. ( why "should be" because I haven't enable docker DHCP ) If a VLAN need internet service, an internet gateway also need for that VLAN. To do above, a common way was use physical / software (i.e. PFsense) VLAN router. Edit : I miss below message. I use physical VLAN router and no problem with Unraid VLAN .... do you correctly "tag" the VLAN connect to Unraid ?

This is normal procedure to replace fault disk one by one. For disk3 item "199" means SATA interface record error, in most case, it is controller / cable issue. If your system have such issue, then same error can happen again on the replacement disk. So, RMA or not for disk3 really depends on you. 199 UDMA_CRC_Error_Count -O--CK 200 200 000 - 6 That's good, so if rebuild disk3 in fail or corrupt, you still got a backup.

RMA Parity2 fine, if RMA both then no redundancy any more.

Docker network DHCP server should be for docker only.

Same

You have too much disk if all power by single PSU. I will try disconnect 2 disk power ( non array disk ) then add parity to check does power down or not.

Yes, btw I also believe your 82885t was fault.

It is because item 5 and 196 not zero value, this not a good sign, if disk have warranty then I will got RMA. FYR, my disks almost all problem free even they age 5yrs+, only 2 got problem, but I also have hard time for many disks got trouble in past. SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate PO-R-- 100 100 050 - 0 2 Throughput_Performance P-S--- 100 100 050 - 0 3 Spin_Up_Time POS--K 100 100 001 - 7721 4 Start_Stop_Count -O--CK 100 100 000 - 799 5 Reallocated_Sector_Ct PO--CK 100 100 050 - 8 7 Seek_Error_Rate PO-R-- 100 100 050 - 0 8 Seek_Time_Performance P-S--- 100 100 050 - 0 9 Power_On_Hours -O--CK 084 084 000 - 6427 10 Spin_Retry_Count PO--CK 100 100 030 - 0 12 Power_Cycle_Count -O--CK 100 100 000 - 6 23 Helium_Condition_Lower PO---K 100 100 075 - 0 24 Helium_Condition_Upper PO---K 100 100 075 - 0 191 G-Sense_Error_Rate -O--CK 100 100 000 - 0 192 Power-Off_Retract_Count -O--CK 100 100 000 - 0 193 Load_Cycle_Count -O--CK 100 100 000 - 908 194 Temperature_Celsius -O---K 100 100 000 - 42 (Min/Max 25/54) 196 Reallocated_Event_Count -O--CK 100 100 000 - 1 197 Current_Pending_Sector -O--CK 100 100 000 - 0 198 Offline_Uncorrectable ----CK 100 100 000 - 0 199 UDMA_CRC_Error_Count -O--CK 200 200 000 - 0 220 Disk_Shift -O---- 100 100 000 - 100925444 222 Loaded_Hours -O--CK 097 097 000 - 1407 223 Load_Retry_Count -O--CK 100 100 000 - 0 224 Load_Friction -O---K 100 100 000 - 0 226 Load-in_Time -OS--K 100 100 000 - 584 240 Head_Flying_Hours P----- 100 100 001 - 0 Try check below setting, I set 600 means polling every 10min. Pls note all extended test was "abort by host", never complete. SMART Extended Self-test Log Version: 1 (1 sectors) Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Aborted by host 90% 6231 - # 2 Extended offline Aborted by host 90% 6203 - # 3 Extended offline Aborted by host 90% 6089 - # 4 Extended offline Aborted by host 90% 6083 - # 5 Short offline Completed without error 00% 6081 - A normal test result like as below