I had a similar problem, after a reconfiguration, running tunefs.lustre ost I got a kernel panic, I solved using fsck on the ost damaged.
Antonio Lu Wang ha scritto: > Dear list, > Our MDS losts 5/7 osc devices after a reconfiguration: > 1.umount all osts > 2.tunfs.lustre --writeconf --mgs --mdt /dev/sda1 > 3.mount -t ldiskfs mdtdevice mountpoint > 4.rm CONFIGS/* > 5.mount -t lustre mdtdevice mountpoint > 6. mount all osts > > we can see 7 the osc devices on a mounted client, but only 2/7 osc > devices on MDS. When I create a file with 7 stripe, the MDS server crashed. > Any ideas? > lctl dl > 0 UP mgs MGS MGS 707 > 1 UP mgc mgc192.168.50...@tcp 43fc0787-3580-ce63-5019-94a7903f2fb0 5 > 2 UP mdt MDS MDS_uuid 3 > 3 UP lov besfs2-mdtlov besfs2-mdtlov_UUID 4 > 4 UP mds besfs2-MDT0000 besfs2-MDT0000_UUID 803 > 5 UP ost OSS OSS_uuid 3 > 6 UP obdfilter besfs2-OST0000 besfs2-OST0000_UUID 803 > 7 UP obdfilter besfs2-OST0001 besfs2-OST0001_UUID 805 > 8 UP osc besfs2-OST0001-osc besfs2-mdtlov_UUID 5 > 9 UP obdfilter besfs2-OST0002 besfs2-OST0002_UUID 805 > 10 UP osc besfs2-OST0002-osc besfs2-mdtlov_UUID 5 > > This is a small lustre installation. We have only 2 server, there are 3 > OSTs and 1 MDT/MGS on one server, 4 OSTs on the other server. The lustre > version is : 2.6.9-67.0.22.EL_lustre.1.6.6smp on x86-64. > > Best Regards > Lu Wang > > _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
