hello. I woke up and I had 1 dead hard drive. I’m not the hot swap. i have Raidz1 4HDD. I searched on Google and Reddit to find out how to do it and everyone said to close the PC, change the disk and then have it replaced but nothing works. I ended up with 3 disks Disks with exported pools and 1 br…

[image] WD red Pro Pool1 Plex is here Disks with exported pools And Unused Disks

Are you seeing activity on Plex2 with the drive replacement? You can try running and posting the following to try to sort out the current drives in the system. I can’t quite tell if your newest drive is working or not. I don’t know if the Replace is working. lsblk -bo NAME,LABEL,VENDOR,MODEL,SER…

Warning: the supported mechanisms for making configuration changesare the TrueNAS WebUI, CLI, and API exclusively. ALL OTHERS ARENOT SUPPORTED AND WILL RESULT IN UNDEFINED BEHAVIOR AND MAYRESULT IN SYSTEM FAILURE. Welcome to TrueNASLast login: Sat Feb 21 18:47:50 EST 2026 on pts/2truenas_admin@true…

You might have grabbed too much with the copy & paste and it didn’t format correctly. Try powering down and checking the cables. Make sure to track all drives by serial numbers as device names can change between reboots. SDA can be SDB the next boot. Did the problem drives from both pools share …

I can disconnect the plex wd red pro hdds to try to fix the plex2 problem to start. do the replacement and resilver it and then we can take care of plex (wd red pro). I have 3 HDDs to connect to 1 cable (3 red pro plex) I then have 5 HDDs connected to the 2nd cable available on my psu. the server …

[image] only Hdd for plex2 is connected. after reboot. they resilvering without me doing anything. do you think is a option for change de psu ? after resilvering .we can try import plex 1 with your command :smiley: thx alot for help me . its very appreciate

I would just wait for the resilver and get Plex2 to 100% health. You will have to work through if you have power or data cable problems. It could also be a HBA, if you have one of those. I don’t think you posted a full description of your hardware, os version and the layout of all the pools and h…

how i can do that ? i can write spec of the pc yes hba card LSI 9211-8i Mode IT pool Plex + plex2 RaidZ1 truenas Version: 25.04.2.6 Cpu- i9 9900k MB: Asus PRIME H370M-PLUS Ram : kingston Ram 64gb i dont remember the speed ( i know is No-ECC ram , maybe upgrade later for new mainboard can take …

The drive troubleshooting chart might help you. Another user made this [image] Drive Troubleshooting Flowchart Resources Do You Think You Have A Drive Issue? Use the flowcharts here to help you diagnose your problem. You will have a definitive answer much so…

Disks with exported pools after 1 die. cant import offline Vdev

TrueNAS General

SmallBarky February 22, 2026, 1:40am 42

The drive troubleshooting chart might help you. Another user made this

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Disks with exported pools after 1 die. cant import offline Vdev

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