Oh, ok! Thanks! -Aaron
On Jan 21, 2008, at 6:37 PM, Andreas Dilger wrote: > On Jan 21, 2008 12:59 -0500, Aaron Knister wrote: >> I have a client running 1.4.11 and i want to mount a filesystem >> that's >> running on 1.6.4.1 servers. On the client I can ping the servers >> using >> lctl however a mount fails with an LBUG on the mds. >> >> The mount command on the 1.4.11 client is -- >> >> mount -t lustre [EMAIL PROTECTED]:/data-mdtlov/client /mnt/lustre >> >> The error on the server is -- >> >> LustreError: 7369:0:(lov_obd.c:227:lov_connect()) ASSERTION(lov- >>> lov_connects == 1) failed >> LustreError: 7369:0:(tracefile.c:431:libcfs_assertion_failed()) LBUG >> ll_mdt_24 R running task 0 7369 1 7370 >> 7368 >> (L-TLB) >> ffff81026e92ddd0 ffff8102ba45045c ffff810418438dc0 ffff8102823e0200 >> 0000000000000000 ffff810296765000 0000000000000000 ffff81041c2fd280 >> ffffffff888c029f 0000000000000286 ffffffff8003cd0e ffff810418438140 >> Call Trace: >> [<ffffffff888c029f>] :mds:mds_handle+0xe7f/0x56ff >> [<ffffffff8003cd0e>] lock_timer_base+0x1b/0x3c >> [<ffffffff8001c1a2>] __mod_timer+0xb0/0xbe >> [<ffffffff885dcfb0>] :obdclass:class_conn2export+0x250/0x2d0 >> [<ffffffff8868e277>] :ptlrpc:ptlrpc_main+0x1437/0x1df0 >> [<ffffffff800867b0>] default_wake_function+0x0/0xe >> [<ffffffff8005bc25>] child_rip+0xa/0x11 >> [<ffffffff8868ce40>] :ptlrpc:ptlrpc_main+0x0/0x1df0 >> [<ffffffff8005bc1b>] child_rip+0x0/0x11 >> >> I thought 1.4 could mount a 1.6 filesystem. > > Only if the filesystem was previously upgraded from a 1.4 system. If > it was formatted as 1.6 initially there is no "downgrade" > compatibility > in the configuration logs. > > Cheers, Andreas > -- > Andreas Dilger > Sr. Staff Engineer, Lustre Group > Sun Microsystems of Canada, Inc. > Aaron Knister Associate Systems Analyst Center for Ocean-Land-Atmosphere Studies (301) 595-7000 [EMAIL PROTECTED] _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
