Details
-
Bug
-
Resolution: Duplicate
-
Major
-
None
-
Lustre 2.4.0
-
3
-
7599
Description
LMA on OST is not updated during layout swap.
# llmount.sh ... # cd /mnt/lustre # lfs setstripe -c2 f0 # dd if=/dev/zero bs=1M count=2 | tr '\0' 'X' > f0 2+0 records in 2+0 records out 2097152 bytes (2.1 MB) copied, 0.0201865 s, 104 MB/s # lfs getstripe f0 f0 lmm_stripe_count: 2 lmm_stripe_size: 1048576 lmm_layout_gen: 0 lmm_stripe_offset: 0 obdidx objid objid group 0 1 0x1 0 1 1 0x1 0 # touch f1 # ls -lh total 2.0M -rw-r--r-- 1 root root 2.0M Apr 8 13:54 f0 -rw-r--r-- 1 root root 0 Apr 8 13:54 f1 # lfs path2fid f0 [0x200000400:0x1:0x0] # lfs path2fid f1 [0x200000400:0x3:0x0] # umount /mnt/ost1 # mount /tmp/lustre-ost1 /mnt/ost1 -t ldiskfs -o loop # ls -lh /mnt/ost1/O/0/d1/1 -rw-rw-rw- 1 root root 1.0M Apr 8 13:54 /mnt/ost1/O/0/d1/1 # ll_decode_filter_fid /mnt/ost1/O/0/d1/1 /mnt/ost1/O/0/d1/1: objid=4294967296 seq=1 parent=[0x200000400:0x1:0x0] # umount /mnt/ost1 # mount /tmp/lustre-ost1 /mnt/ost1 -t lustre -o loop # lfs swap_layouts f0 f1 # ls -lh total 2.0M -rw-r--r-- 1 root root 0 Apr 8 13:57 f0 -rw-r--r-- 1 root root 2.0M Apr 8 13:57 f1 # umount /mnt/ost1 # mount /tmp/lustre-ost1 /mnt/ost1 -t ldiskfs -o loop # ls -lh /mnt/ost1/O/0/d1/1 -rw-rw-rw- 1 root root 1.0M Apr 8 13:57 /mnt/ost1/O/0/d1/1 # ll_decode_filter_fid /mnt/ost1/O/0/d1/1 /mnt/ost1/O/0/d1/1: objid=4294967296 seq=1 parent=[0x200000400:0x1:0x0]
