Thief_of_Time Posted July 6, 2023 Share Posted July 6, 2023 Hi  I have been using Unraid for a while with the following configuration: Array: Parity: 8TB HDD Disk 1: 8TB HDD Disk 2: 8TB HDD Pool Devices M2_Cache_1: 1TB M.2 SSD M2_Cache_2: 500 GB M.2 SSD Sata_Cache_1: 500 GB Sata SSD Sata_Cache_2: 2TB Sata SSD  I usually run virtual machines on the virtual pooled devices. Now I had access problems with data stored on M2_Cache_1. Unraid always froze during access. After about a minute, the files disappeared and Unraid no longer recognised the hard disk behind M2_Cache_1 (1TB M.2 SSD). I could see this when I stopped the array and the disk behind it disappeared.  After a short analysis of the hard disk via CrystalDiskInfo, it turned out that the installed SSD has a defect and is in "ReadOnly" mode, so CrystalDiskInfo said. I also can check the drive with scrutiny and it gives me 2 Failurs (s. Attachment)  My question at this point is, is there a way to save existing data from the hard disk? Everything is still displayed in File Explorer. Unraid seems to crash whenever anything would be written to the disk. Is there any way I can mount the disk as read only or save the data in another way?  I can only run the disk in Unraid because the disk is mounted encrypted in the system.  There are only VMs on the disk, which I could also reinstall. It would just be easier to copy and paste the virtual machines onto another disk.  Kind Regards Medi Quote Link to comment
JorgeB Posted July 7, 2023 Share Posted July 7, 2023 You can try mounting the device read-only with the UD plugin. Quote Link to comment
Thief_of_Time Posted July 8, 2023 Author Share Posted July 8, 2023 Can you explain to me on how i would do that? I have the UD Plugin installed but idk how to mount the drive with the Passphrase as Read-Only. Quote Link to comment
JorgeB Posted July 9, 2023 Share Posted July 9, 2023 Click the toothed wheel icon in front of that device and choose read-only, passphrase I believe it will use the same as Unraid, but you can ask in the existing UD plugin support thread if needed. Quote Link to comment
dlandon Posted July 9, 2023 Share Posted July 9, 2023 4 hours ago, JorgeB said: Click the toothed wheel icon in front of that device and choose read-only, passphrase I believe it will use the same as Unraid, but you can ask in the existing UD plugin support thread if needed. Yes, it will use the Unraid password unless you set one specifically for the drive you are trying to mount in UD Settings. Quote Link to comment
Thief_of_Time Posted July 9, 2023 Author Share Posted July 9, 2023 Thanks, the Array is Rebulding atm since a HDD had a Error too. I will try it once the rebuild is done and see if it works Quote Link to comment
Solution Thief_of_Time Posted July 21, 2023 Author Solution Share Posted July 21, 2023 Unfortunately, that didn't work. Here, too, the system froze when the SSD was mounted. The SSD seems to have a major defect. Well, now a new SSD is installed and the VMs are reinstalled. Thanks anyway for the quick help! Quote Link to comment
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