When you say they can communicate, did you try lctl ping? On Feb 21, 2008, at 4:57 AM, Tomec Martin wrote:
> > > Isaac Huang napsal(a): >> On Wed, Feb 20, 2008 at 11:19:06PM +0100, Tomec Martin wrote: >>> According to tutorial I started MGS and MDT on first machine (with >>> IP >>> 192.168.2.55): >>> mkfs.lustre --mgs /dev/sdb1 >>> mkdir -p /mnt/mgs >>> mount -t lustre /dev/sdb1 /mnt/mgs >>> mkfs.lustre --fsname=testfs --mdt [EMAIL PROTECTED] /dev/ >>> sdb2 >>> mkdir -p /mnt/test/mdt >>> mount -t lustre /dev/sdb2 /mnt/test/mdt >>> >>> On second machine I tried start OST with: >>> mkfs.lustre --fsname=testfs --ost [EMAIL PROTECTED] /dev/ >>> sdb >>> mkdir -p /mnt/test/ost0 >>> mount -t lustre /dev/sdb /mnt/test/ost0 >>> >>> but got this error: >>> mount.lustre: mount /dev/sdb at /mnt/test/ost0 failed: Input/ >>> output error >>> Is the MGS running? >> >> Was there any error messages in 'dmesg' on the node? >> >> Isaac >> > > Yes, log is below. Maybe it can be some incompatibility with Centos > 5 (I > used packages for Red Hat 5) > > Lustre: OBD class driver, [EMAIL PROTECTED] > Lustre Version: 1.6.4.2 > Build Version: > 1.6.4.2-19691231190000-PRISTINE-.cache.build.BUILD.lustre- > kernel-2.6.18.lustre.linux-2.6.18-8.1.14.el5_lustre.1.6.4.2smp > Lustre: Added LNI [EMAIL PROTECTED] [8/256] > Lustre: Accept secure, port 988 > Lustre: Lustre Client File System; [EMAIL PROTECTED] > kjournald starting. Commit interval 5 seconds > LDISKFS FS on sdb, internal journal > LDISKFS-fs: mounted filesystem with ordered data mode. > SELinux: initialized (dev sdb, type ldiskfs), not configured for > labeling > kjournald starting. Commit interval 5 seconds > LDISKFS FS on sdb, internal journal > LDISKFS-fs: mounted filesystem with ordered data mode. > LDISKFS-fs: file extents enabled > LDISKFS-fs: mballoc enabled > SELinux: initialized (dev sdb, type ldiskfs), not configured for > labeling > > LustreError: 2891:0:(client.c:975:ptlrpc_expire_one_request()) @@@ > timeout (sent at 1203589568, 5s ago) [EMAIL PROTECTED] x1/t0 > o250->[EMAIL PROTECTED]@tcp_0:26 lens 240/272 ref 1 fl Rpc:/0/0 rc > 0/-22 > LustreError: 2858:0:(obd_mount.c:954:server_register_target()) > registration with the MGS failed (-5) > LustreError: 2858:0:(obd_mount.c:1054:server_start_targets()) Required > registration failed for testfs-OSTffff: -5 > LustreError: 15f-b: Communication error with the MGS. Is the MGS > running? > LustreError: 2858:0:(obd_mount.c:1570:server_fill_super()) Unable to > start targets: -5 > LustreError: 2858:0:(obd_mount.c:1368:server_put_super()) no obd > testfs-OSTffff > LustreError: 2858:0:(obd_mount.c:119:server_deregister_mount()) > testfs-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, 0 lost > LDISKFS-fs: mballoc: 0 generated and it took 0 > LDISKFS-fs: mballoc: 0 preallocated, 0 discarded > Lustre: server umount testfs-OSTffff complete > LustreError: 2858:0:(obd_mount.c:1924:lustre_fill_super()) Unable to > mount (-5) > >>> Machines can comunicate and MGS is probably running. >>> It is Lustre 1.6.4.2 and kernel 2.6.18 >>> Have you any ideas where could be a problem? >>> _______________________________________________ >>> Lustre-discuss mailing list >>> [email protected] >>> http://lists.lustre.org/mailman/listinfo/lustre-discuss >> > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss 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
