metalwright Posted December 9, 2022 Share Posted December 9, 2022 First off, I'm a complete noob and have no idea what I'm doing, and I'm also on the trial license at the moment. I have a Dell R710 with an H200 LSI card, with 3x 8TB Seagate SAS drives.  All 3 drives pass the diagnostics in the Dell tools... And they seem to pass the diagnostics from within Unraid (still running the extended tests, taking forever). I wish to use 2 as data, and 1 as parity. When I attempt to assign them, they fall out of the unassigned list, but are also not in fact assigned to the pool. Let me know if I need to collect more data regarding the issue. Thanks! acme-tower-diagnostics-20221209-1109.zip Quote Link to comment
Solution itimpi Posted December 9, 2022 Solution Share Posted December 9, 2022 This will be be because: Dec 9 09:07:27 ACME-TOWER kernel: sd 3:0:0:0: [sdb] Enabling DIF Type 2 protection I do not have to hand the instructions to remove that protection but it should be easy to find them in the forum. 1 Quote Link to comment
metalwright Posted December 10, 2022 Author Share Posted December 10, 2022 Didn't find it on the forum, but I'm trying a format:  root@ACME-TOWER:~# sg_format --format --fmtpinfo=0 /dev/sdc   IBM-D050  ST8000NM0065    BCE6  peripheral_type: disk [0x0]    << supports protection information>>    Unit serial number: ZA1FN9Z30000C9522C3Q    LU name: 5000c500ae380267 Mode Sense (block descriptor) data, prior to changes:  Number of blocks=1953506646 [0x74702556]  Block size=4096 [0x1000] Taking forever... Will report back. Thanks for that feedback! Got me on track, I think! Quote Link to comment
metalwright Posted December 11, 2022 Author Share Posted December 11, 2022 Low level format worked.  Quote Link to comment
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