[Lustre-discuss] [Lustre-Discuss]-

[Sze Chuan]

Hello,

I'm new to Lustre and had trouble creating a MGS/MDT filesystem on the block
device. I entered the following command *"mkfs.lustre --fsname=lustre  --mdt
--mgs /dev/VolGroup00/MDS"* but got the following error at the output.

I'm running Lustre 2.0 on OEL 5.4 x86_64.

*Output:*

Permanent disk data:
Target:     lustre-MDTffff
Index:      unassigned
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x75
              (MDT MGS needs_index first_time update )
Persistent mount opts: iopen_nopriv,user_xattr,errors=remount-ro
Parameters:

checking for existing Lustre data: not found
device size = 4096MB
formatting backing filesystem ldiskfs on /dev/VolGroup00/MDS
        target name  lustre-MDTffff
        4k blocks     1048576
        options        -J size=160 -i 4096 -I 512 -q -O
dir_index,dirdata,uninit_bg -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre-MDTffff  -J size=160 -i 4096 -I 512
-q -O dir_index,dirdata,uninit_bg -F /dev/VolGroup00/MDS 1048576
   Invalid filesystem option set: dir_index,dirdata,uninit_bg

mkfs.lustre FATAL: Unable to build fs /dev/VolGroup00/MDS (256)

mkfs.lustre FATAL: mkfs failed 256

Thank you.

Sze Chuan
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