[EMAIL PROTECTED] wrote:

Hello,

there is a bug in 1.6b7 with the size of the lustre fs name (bugzilla 11564)
you cannot use a name longer than 7 char and lustre01 is 8
try with a smaller name, it should work

JCL

I've attached a fix to this bugzilla ticket.


-----Original Message-----
From: [EMAIL PROTECTED] on behalf of Daniel Leaberry
Sent: Sun 2/11/2007 6:24 PM
To: [email protected]
Subject: [Lustre-discuss] 1.6b7 can't mount more than one ost

I'm running the 64bit lustre rpms on Centos 4u4 over a channel bonded (mode 0) pair of interfaces.

After formatting the MDS I bring it up following the directions on the mountconf wiki. It comes up and looks fine. I then bring up one of my ost's (doesn't matter which one, I've tried them all.) and it connects just fine as well. I can mount a client and see my filesystem consisting of one ost. Any attempt to bring up a second ost results in the following message.

mount.lustre: mount /dev/sdd at /var/mnt/ost02 failed: Operation already in progress
The target service is already running. (/dev/sdd)

dmesg on the mds shows this
LustreError: The config log for lustre01-OST0000 already exists, yet the server claims it never registered. It may have been reformatted, or the index changed. writeconf the MDT to regenerate all logs. LustreError: 25772:0:(mgs_llog.c:1699:mgs_write_log_target()) Can't write logs for lustre01-OST0000 (-114) LustreError: 25772:0:(mgs_handler.c:429:mgs_handle_target_reg()) Failed to write lustre01-OST0000 log (-114) LustreError: 25772:0:(mgs_handler.c:551:mgs_handle()) MGS handle cmd=253 rc=-114 LustreError: 25772:0:(ldlm_lib.c:1349:target_send_reply_msg()) @@@ processing error (-114) [EMAIL PROTECTED] x434/t0 o253->[EMAIL PROTECTED]@tcp:-1 lens 4672/4672 ref 0 fl Interpret:/0/0 rc 0/0 LustreError: 25871:0:(lov_obd.c:479:lov_add_target()) UUID lustre01-OST0000_UUID already assigned at LOV target index 0 LustreError: 25871:0:(obd_config.c:1021:class_config_llog_handler()) Err -17 on cfg command:
Lustre:    cmd=cf00d 0:lustre01-mdtlov  1:lustre01-OST0000_UUID  2:0  3:1

dmesg on the oss shows this
kjournald starting.  Commit interval 5 seconds
LDISKFS FS on sdd, internal journal
LDISKFS-fs: mounted filesystem with ordered data mode.
LDISKFS-fs: file extents enabled
LDISKFS-fs: mballoc enabled
LustreError: 31514:0:(client.c:571:ptlrpc_check_status()) @@@ type == PTL_RPC_MSG_ERR, err == -114 [EMAIL PROTECTED] x434/t0 o253->[EMAIL PROTECTED]@tcp_0:26 lens 4672/4672 ref 1 fl Rpc:R/0/0 rc 0/-114 LustreError: 31514:0:(mgc_request.c:730:mgc_target_register()) register failed. rc=-114 LustreError: 31514:0:(obd_mount.c:948:server_register_target()) registration with the MGS failed (-114) LustreError: 31514:0:(obd_mount.c:1048:server_start_targets()) Required registration failed for lustre01-OSTffff: -114 LustreError: 31514:0:(obd_mount.c:1560:server_fill_super()) Unable to start targets: -114 LustreError: 31514:0:(mgc_request.c:150:config_log_find()) can't get log lustre01-OSTffff LustreError: 31514:0:(obd_mount.c:1347:server_put_super()) no obd lustre01-OSTffff LustreError: 31514:0:(obd_mount.c:118:server_deregister_mount()) lustre01-OSTffff not registered
LDISKFS-fs: mballoc: 0 blocks 0 reqs (0 success)
LDISKFS-fs: mballoc: 0 extents scanned, 0 goal hits, 0 2^N hits, 0 breaks
LDISKFS-fs: mballoc: 0 generated and it took 0
Lustre: server umount lustre01-OSTffff complete
LustreError: 31514:0:(obd_mount.c:1911:lustre_fill_super()) Unable to mount (-114)



It suggests writeconf'ing the logs. I've tried that dozens of times with the same result. It also says the registration with the MGS failed. I don't know why since it obviously succeeded for the 1st ost on the same box. I've reformatted all the disks at least 5 times and I've reached a point where I have no idea why it won't mount the second ost. Any insight would be appreciated.

Thanks,
Daniel


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