[LU-4623] creating file stripe > 167 fails

• Type: Bug
• Resolution: Duplicate
• Priority: Major
• Affects Version/s: Lustre 2.4.1
• Severity: 3
• Assignee: Emoly Liu
• Reporter: Mahmoud Hanafi

Description

Creating a file with stripe > 167 fails. If a second setripe is attempted on the same file the mdt LBUG.

mhanafi@pfe20:/nobackupp9/mhanafi/teststripe> cat /proc/fs/lustre/version 
lustre: 2.4.1
kernel: ../lustre/scripts
build:  3nasC_ofed154
mhanafi@pfe20:/nobackupp9/mhanafi/teststripe> lfs setstripe -c 166 test169
mhanafi@pfe20:/nobackupp9/mhanafi/teststripe> lfs setstripe -c 167 test167
mhanafi@pfe20:/nobackupp9/mhanafi/teststripe> lfs setstripe -c 168 test168
error on ioctl 0x4008669a for 'test168' (3): No space left on device
error: setstripe: create stripe file 'test168' failed
mhanafi@pfe20:/nobackupp9/mhanafi/teststripe> lfs getstripe test168
test168 has no stripe info

LBUG OUTPUT

LNet: 1919:0:(o2iblnd_cb.c:2348:kiblnd_passive_connect()) Skipped 11 previous similar messages^M
LustreError: 4699:0:(lod_object.c:704:lod_ah_init()) ASSERTION( lc->ldo_stripenr == 0 ) failed: ^M
LustreError: 4699:0:(lod_object.c:704:lod_ah_init()) LBUG^M
Pid: 4699, comm: mdt03_002^M
^M
Call Trace:^M
 [<ffffffffa050c895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]^M
 [<ffffffffa050ce97>] lbug_with_loc+0x47/0xb0 [libcfs]^M
 [<ffffffffa0faa78f>] lod_ah_init+0x57f/0x5c0 [lod]^M
 [<ffffffffa0c62a83>] mdd_object_make_hint+0x83/0xa0 [mdd]^M
 [<ffffffffa0c6eeb2>] mdd_create_data+0x332/0x7d0 [mdd]^M
 [<ffffffffa0f08d8c>] mdt_finish_open+0x125c/0x1950 [mdt]^M
 [<ffffffffa0f04658>] ? mdt _ 2o3b joeuctt_ oopf en24_ lcopcuks+ 0xi1n c8k/d0b,x5 w1a0i [tmidntg ]^Mf
or the rest, timeout in 10 second(s)^M
 [<ffffffffa0f0af26>] mdt_reint_open+0xfe6/0x20e0 [mdt]^M
.All cpus are now in kdb^M

MDT VERSION

nbp9-mds ~ # cat /proc/fs/lustre/version 
lustre: 2.4.1
kernel: 2.6.32-358.23.2.el6.20140115.x86_64.lustre241
build:  5.2nasS_ofed154

Issue Links

• is related to: LU-4260 ASSERTION( lc->ldo_stripenr == 0 ) failed: