Hi all, I'm new ish to lustre and I've just created a lustre 2.12.5 cluster using the RPMs from whamcloud for Centos 7.8 with 1 MDT/MGS and 1 OSS with 3 OST's (20GB each) Everything is formatted as ldiskfs and it's running on a vmware platform as a test bed using tcp. The MDT mounts ok, the OST's mount and on my client I can mount the /lustre mount point (58GB) and I can ping everything via the lnet however as soon as I try to do an ls -l /lustre or any kind of I/O the client locks solid till I reboot it.
I've tried to work out how to run basic diagnostics to no avail so I am stupped why I don't see a directory listing for what should be an empty 60G disk. On the MDS I ran this: [root@lustre-mds tests]# lctl dl 0 UP osd-ldiskfs lustre-MDT0000-osd lustre-MDT0000-osd_UUID 10 1 UP mgs MGS MGS 8 2 UP mgc MGC10.140.95.118@tcp acdb253b-b7a8-a949-0bf2-eaa17dc8dca4 4 3 UP mds MDS MDS_uuid 2 4 UP lod lustre-MDT0000-mdtlov lustre-MDT0000-mdtlov_UUID 3 5 UP mdt lustre-MDT0000 lustre-MDT0000_UUID 12 6 UP mdd lustre-MDD0000 lustre-MDD0000_UUID 3 7 UP qmt lustre-QMT0000 lustre-QMT0000_UUID 3 8 UP lwp lustre-MDT0000-lwp-MDT0000 lustre-MDT0000-lwp-MDT0000_UUID 4 9 UP osp lustre-OST0000-osc-MDT0000 lustre-MDT0000-mdtlov_UUID 4 10 UP osp lustre-OST0001-osc-MDT0000 lustre-MDT0000-mdtlov_UUID 4 11 UP osp lustre-OST0002-osc-MDT0000 lustre-MDT0000-mdtlov_UUID 4 [root@lustre-mds tests]# So it looks like I have everything is running even dmesg on the client reports: [ 7.998649] Lustre: Lustre: Build Version: 2.12.5 [ 8.016113] LNet: Added LNI 10.140.95.65@tcp [8/256/0/180] [ 8.016214] LNet: Accept secure, port 988 [ 10.992285] Lustre: Mounted lustre-client Any pointer where to look? /var/log/messages shows no errors Sid Young
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