December 9, 20241 yr Some time ago I bought an LSI 9207 card to be able to increase the number of disks on my Unraid server. I connected a new 4Tb Seagate IronWolf and for a while things went well (it's the only disk connected to the new card). One day I had a disk failure and thought I'd replace it with a new Western Digital Red just to be safe. After a few days I also had the same error on the new disk, so I thought it might not be a disk problem but a port problem, so I formatted it and reinserted it connected to another port on the LSI card. It worked for a few days, then I got the same error. I formatted it again, checked to make sure the disk had no errors and inserted it into the array on another port on the LSI card. After a few days, still the same error. Pretty much any disk I mount on the card in any port works for a while and then gets rejected. For this reason I didn't trust connecting more than one disk on the card, because I only have one parity disk. I specify that the disks connected to the motherboard have never had errors. Each time the error is that the disk is not detected and changes name (e.g. sdj instead of sdb). Has this happened to anyone and knows how I can fix it? I'm going crazy and would like to be able to connect multiple disks on the LSI card without fear of losing data. Thanks in advance unraid-diagnostics-20241209-0903.zip unraid-syslog-20241209-0802.zip Edited December 9, 20241 yr by dagmenico
December 9, 20241 yr Author 2 hours ago, JorgeB said: Looks more like a power/connection issue. Thanks JorgeB, how can I check in order to find the issue and resolve it? I have an old Corsair 500W PSU and my server drains about 70W in idle and about 160W in full load. Unfortunately I cannot change the position of the LSI board because I have only 1 PCIe slot
December 9, 20241 yr Community Expert You can connect a known good disk to that controller, keep the same power cable, and retest.
December 9, 20241 yr Author 3 minutes ago, JorgeB said: You can connect a known good disk to that controller, keep the same power cable, and retest. This is what I have done with the Western Digital, it was brand new and checked before installing it. By the way, also the Seagate was brand new. Do you have some other idea? Thanks
December 9, 20241 yr Author I thought about it too, in fact I also tried changing the cable: in the package there were two cables with 4 ports each, I tried both changing the cable and the port on the same cable. Always the same problem 😞
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