hawihoney Posted November 12, 2020 Share Posted November 12, 2020 This is the second time that my cache pool dropped a disk and Unraid didn't notice. I did reboot and now, after the reboot, Unraid recognized that a cache pool disk has been gone. A full balance did start automatically for the remaining disk and is running currently. My questions: Why doesn't Unraid recognize when a cache pool disk has been gone. Is there something I can do? I do have a script that queries the cache status but that does inform me - but Unraid behaves as if nothing had happened. Can I get rid of that filesystem BTRFS for my cache pools and use a different FS for the cache pool? Whenever I do experience problems with Unraid most of the time it's BTRFS related. Thanks in advance. Quote Link to comment
JorgeB Posted November 12, 2020 Share Posted November 12, 2020 2 minutes ago, hawihoney said: I do have a script that queries the cache status but that does inform me That's the only way for now. 2 minutes ago, hawihoney said: Can I get rid of that filesystem BTRFS for my cache pools and use a different FS for the cache pool? For single cache yes, for pools no. Quote Link to comment
hawihoney Posted November 12, 2020 Author Share Posted November 12, 2020 Thanks for your answer. Both M.2 NVMe cache pool disks report around 24 TB written within 2,5 months of operation. At the same time 1,5 TB were read. I bet Amazon refuses RMA when a disk has been completely written 24 times (1 TB disks). Quote Link to comment
JorgeB Posted November 12, 2020 Share Posted November 12, 2020 9 minutes ago, hawihoney said: I bet Amazon refuses RMA when a disk has been completely written 24 times (1 TB disks). I didn't say to RMA the devices, but it's not the number of times it's written the matters, every SSD has a life counter on SMART, as long as that is still not at or over 100% they have to honor the warranty. Quote Link to comment
hawihoney Posted November 12, 2020 Author Share Posted November 12, 2020 (edited) Yes, in the meantime I saw 600 TB written for the 'Samsung SSD 970 EVO Plus 1TB' model. Hmm, the disk says everythings ok, but it's failing from time to time. It's screwed to a PCI x4 card. Hmm, need to rethink that. Edited November 12, 2020 by hawihoney Quote Link to comment
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