Hi, We are on Lustre 2.8 with ZFS.
Our users have seen some unexplainable errors: 062: forrtl: Input/output error Or 062: forrtl: severe (28): CLOSE error, unit 10, file “Unknown" From attached 'lfs df -h' you can see that the OSTs are unbalanced and OST0001 but far from being full. We are using default allocation setting so we should be in weighted mode. I've tried to find an LU matching this but no luck. Also, log on affected nodes and on servers are empty. Any suggestions about how to debug this? Cheers, Hans Henrik
UUID bytes Used Available Use% Mounted on astro-MDT0000_UUID 691.6G 163.0G 528.6G 24% /lustre/astro[MDT:0] astro-OST0000_UUID 157.2T 105.0T 52.3T 67% /lustre/astro[OST:0] astro-OST0001_UUID 158.5T 149.2T 9.3T 94% /lustre/astro[OST:1] astro-OST0002_UUID 158.6T 144.8T 13.9T 91% /lustre/astro[OST:2] astro-OST0003_UUID 157.3T 105.4T 51.9T 67% /lustre/astro[OST:3] filesystem summary: 631.6T 504.3T 127.3T 80% /lustre/astro
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