Hi, I'm using Lustre 2.10.5 and lately tried to add a new OST. The OST was formatted with the command below, which other than the index is the exact same one used for all the other OSTs in the system.
mkfs.lustre --reformat --mkfsoptions="-t ext4 -T huge" --ost --fsname=local --index=0051 --param ost.quota_type=ug --mountfsoptions='errors=remount-ro,extents,mballoc' --mgsnode=10.0.0.3@tcp --mgsnode=10.0.0.1@tc p --mgsnode=10.0.0.2@tcp --servicenode=10.0.0.3@tcp --servicenode=10.0.0.1@tcp --servicenode=10.0.0.2@tcp /dev/mapper/OST0051 When trying to mount the with: mount.lustre /dev/mapper/OST0051 /Lustre/OST0051 The system stays on 100% CPU (one core) forever and the mount never completes, not even after a week. I tried tunefs.lustre --writeconf --erase-params on the MDS and all the other targets, but the behaviour remains the same. David
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