<span style="color: rgb(255, 0, 0);">HI I could use some help.</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">I installed lustre on 3 computers </span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">
mdt/mgs :</span><br><br>************************************************************************************8<br>[root@x-math20 ~]#mkfs.lustre --reformat --fsname spfs --mdt --mgs /dev/hdb<br><br> Permanent disk data:<br>
Target: spfs-MDTffff<br>Index: unassigned<br>Lustre FS: spfs<br>Mount type: ldiskfs<br>Flags: 0x75<br> (MDT MGS needs_index first_time update )<br>Persistent mount opts: errors=remount-ro,iopen_nopriv,user_xattr
<br>Parameters:<br><br>device size = 19092MB<br>formatting backing filesystem ldiskfs on /dev/hdb<br> target name spfs-MDTffff<br> 4k blocks 0<br> options -J size=400 -i 4096 -I 512 -q -O dir_index -F
<br>mkfs_cmd = mkfs.ext2 -j -b 4096 -L spfs-MDTffff -J size=400 -i 4096 -I 512 -q -O dir_index -F /dev/hdb<br>Writing CONFIGS/mountdata<br>[root@x-math20 ~]# df<br>Filesystem 1K-blocks Used Available Use% Mounted on
<br>/dev/hda1 19228276 4855244 13396284 27% /<br>none 127432 0 127432 0% /dev/shm<br>/dev/hdb 17105436 455152 15672728 3% /mnt/test/mdt<br>[root@x-math20 ~]# cat /proc/fs/lustre/devices
<br> 0 <span style="color: rgb(51, 204, 0);">UP mgs MGS MGS 5</span><br> 1 UP mgc MGC132.66.176.211@tcp 5f5ba729-6412-3843-2229-1310a0b48f71 5<br> 2 UP mdt MDS MDS_uuid 3<br> 3 UP lov spfs-mdtlov spfs-mdtlov_UUID 4<br>
4 UP mds spfs-MDT0000 spfs-MDT0000_UUID 3<br>[root@x-math20 ~]#<br>*************************************************************end mdt******************************8<br><span style="color: rgb(255, 0, 0);">so you can see that the MGS is up
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">ond on the ost's I get an error!! plz help...</span><br style="color: rgb(255, 0, 0);"><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">
ost:</span><br>**********************************************************************<br>[root@x-mathr11 ~]# mkfs.lustre --reformat --fsname spfs --ost --mgsnode=132.66. 176.211@tcp0 /dev/hdb1<br><br> Permanent disk data:
<br>Target: spfs-OSTffff<br>Index: unassigned<br>Lustre FS: spfs<br>Mount type: ldiskfs<br>Flags: 0x72<br> (OST needs_index first_time update )<br>Persistent mount opts: errors=remount-ro,extents,mballoc
<br>Parameters: mgsnode=132.66.176.211@tcp<br><br>device size = 19594MB<br>formatting backing filesystem ldiskfs on /dev/hdb1<br> target name spfs-OSTffff<br> 4k blocks 0<br> options -J size=400 -i 16384 -I 256 -q -O dir_index -F
<br>mkfs_cmd = mkfs.ext2 -j -b 4096 -L spfs-OSTffff -J size=400 -i 16384 -I 256 -q -O dir_index -F /dev/hdb1<br>Writing CONFIGS/mountdata<br>[root@x-mathr11 ~]# /CONFIGS/mountdata<br>-bash: /CONFIGS/mountdata: No such file or directory
<br>[root@x-mathr11 ~]# mount -t lustre /dev/hdb1 /mnt/test/ost1<br><span style="color: rgb(255, 0, 0);">mount.lustre: mount /dev/hdb1 at /mnt/test/ost1 failed: Input/output error</span><br style="color: rgb(255, 0, 0);">
<span style="color: rgb(255, 0, 0);">Is the MGS running?</span><br>***********************************************end ost********************************<br><br><span style="color: rgb(255, 0, 0);">can any one point out the problem?
</span><br>thanks Avi.<br><br><br>