[help] xfs quotacheck problem when xfs filesystem mount
hi all..
i test xfs project quota with various version vanilla kernel
Test Scenario
1. mkfs.xfs -i size=512 -l lazy-count=1 /dev/ld/lv1
2. xfs filesystem mount with project quota. and setting project quota
3. make many file into xfs filesystem (eg. 1K~1M size, number 300 million over)
4. xfs filesystem umount
5. xfs filesystem mount without project quota
6. make some file
7. umount xfs filesystem
8. again mount with project quota
some kernel is ok when mount with project quota
some kernel is occurs oom-killer when mount with project quota
i tested kernel version 2.6.27.59, 2.6.32.46, 3.1.10.
only 2.6.27.59 kernel is not occurs oom-killer.
What is my mistake?
more information see below
===============================================================================
# free -m
total used free shared buffers cached
Mem: 999 232 767 0 56 90
-/+ buffers/cache: 86 913
Swap: 10221 0 10221
# cat /proc/cpuinfo
processor : 3
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.00GHz
stepping : 3
cpu MHz : 2992.514
cache size : 2048 KB
physical id : 3
siblings : 2
core id : 0
cpu cores : 1
apicid : 7
initial apicid : 7
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx lm constant_tsc pebs bts nopl pni dtes64 monitor ds_cpl cid
cx16 xtpr
bogomips : 5983.80
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
# mkfs.xfs -i size=512 -l lazy-count=1 /dev/ld/lv1
# mount -o prjquota,noatime /dev/ld/lv1 /lv1/
# cat /proc/mounts
rootfs / rootfs rw 0 0
/proc /proc proc rw 0 0
/dev/root / ext3 rw,noatime,nodiratime,errors=continue,data=journal 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
/dev/shm /dev/shm tmpfs rw 0 0
none /dev/pts devpts rw,gid=5,mode=620 0 0
nfsd /proc/fs/nfsd nfsd rw 0 0
/dev/sda2 /var ext3 rw,noatime,nodiratime,errors=continue,data=journal 0 0
/dev/ld/lv1 /lv1 xfs rw,noatime,attr2,nobarrier,prjquota,grpquota 0 0
# mkdir /lv1/d1
# mkdir /lv1/d2
...
# mkdir /lv1/d29
# mkdir /lv1/d30
# cat /etc/projid
1:1
2:2
...
29:29
30:30
# cat /etc/projects
1:/lv1/d1
2:/lv1/d2
...
29:/lv1/d29
30:/lv1/d30
# xfs_quota -x -c 'limit -p bsoft=10g bhard=10g 1' /lv1
# xfs_quota -x -c 'limit -p bsoft=10g bhard=10g 2' /lv1
# ...
# xfs_quota -x -c 'limit -p bsoft=10g bhard=10g 29' /lv1
# xfs_quota -x -c 'limit -p bsoft=10g bhard=10g 30' /lv1
# make many file
# xfs_quota -x -c 'report -p -b -h' /lv1
Project quota on /lv1 (/dev/ld/lv1)
Blocks
Project ID Used Soft Hard Warn/Grace
---------- ---------------------------------
1 1.4G 10G 10G 00 [------]
2 1.8G 10G 10G 00 [------]
3 1.9G 10G 10G 00 [------]
...
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 5.0G 2.3G 2.4G 49% /
/dev/sda2 5.0G 396M 4.3G 9% /var
none 502M 28K 502M 1% /dev/shm
/dev/mapper/ld-lv1 49G 16G 33G 33% /lv1
# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/sda1 640K 55K 586K 9% /
/dev/sda2 640K 1.4K 639K 1% /var
none 126K 14 126K 1% /dev/shm
/dev/mapper/ld-lv1 25M 4.2M 20M 18% /lv1
# umount /dev/ld/lv1
# mount /dev/ld/lv1 /lv1
# cat /proc/mounts
rootfs / rootfs rw 0 0
/proc /proc proc rw 0 0
/dev/root / ext3 rw,noatime,nodiratime,errors=continue,data=journal 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
/dev/shm /dev/shm tmpfs rw 0 0
none /dev/pts devpts rw,gid=5,mode=620 0 0
nfsd /proc/fs/nfsd nfsd rw 0 0
/dev/sda2 /var ext3 rw,noatime,nodiratime,errors=continue,data=journal 0 0
/dev/ld/lv1 /lv1 xfs rw,attr2,nobarrier,noquota 0 0
# dmesg | tail -n 4
Filesystem "dm-1": Disabling barriers, trial barrier write failed
XFS mounting filesystem dm-1
XFS resetting qflags for filesystem dm-1
Ending clean XFS mount for filesystem: dm-1
# make some file
# umount /lv1/
# mount -o prjquota,noatime /dev/ld/lv1 /lv1/
kernel 2.6.27.59
===============================================================================
# slabtop
Active / Total Objects (% used) : 57099 / 69863 (81.7%)
Active / Total Slabs (% used) : 2461 / 2461 (100.0%)
Active / Total Caches (% used) : 52 / 61 (85.2%)
Active / Total Size (% used) : 15820.23K / 19563.04K (80.9%)
Minimum / Average / Maximum Object : 0.01K / 0.28K / 4.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
15600 8223 52% 0.20K 780 20 3120K dentry
8160 8147 99% 0.08K 160 51 640K sysfs_dir_cache
7600 7584 99% 0.49K 475 16 3800K inode_cache
7192 5130 71% 0.55K 248 29 3968K radix_tree_node
3480 3463 99% 0.16K 145 24 580K vm_area_struct
3072 3062 99% 0.01K 6 512 24K kmalloc-8
3072 2479 80% 0.02K 12 256 48K kmalloc-16
2176 2040 93% 0.03K 17 128 68K kmalloc-32
1904 1904 100% 0.07K 34 56 136K Acpi-ParseExt
1728 1530 88% 0.06K 27 64 108K kmalloc-64
1587 551 34% 0.69K 69 23 1104K ext3_inode_cache
1554 1534 98% 0.09K 37 42 148K kmalloc-96
1360 1192 87% 0.02K 8 170 32K scsi_data_buffer
1280 967 75% 0.03K 10 128 40K anon_vma
1088 977 89% 0.12K 34 32 136K kmalloc-128
1050 970 92% 0.19K 50 21 200K kmalloc-192
720 661 91% 0.25K 45 16 180K kmalloc-256
688 684 99% 1.00K 43 16 688K kmalloc-1024
680 680 100% 0.02K 4 170 16K journal_handle
608 563 92% 2.00K 38 16 1216K kmalloc-2048
512 512 100% 0.02K 2 256 8K revoke_table
399 350 87% 0.81K 21 19 336K signal_cache
396 240 60% 0.11K 11 36 44K buffer_head
345 323 93% 1.38K 15 23 480K task_struct
315 294 93% 2.06K 21 15 672K sighand_cache
292 292 100% 0.05K 4 73 16K nsproxy
290 195 67% 0.54K 10 29 160K proc_inode_cache
288 260 90% 0.50K 18 16 144K kmalloc-512
180 180 100% 0.53K 6 30 96K idr_layer_cache
168 121 72% 0.38K 8 21 64K ip_dst_cache
168 168 100% 0.09K 4 42 16K journal_head
161 120 74% 0.69K 7 23 112K files_cache
156 116 74% 0.30K 6 26 48K blkdev_requests
128 124 96% 4.00K 16 8 512K kmalloc-4096
125 122 97% 0.62K 5 25 80K sock_inode_cache
105 105 100% 0.75K 5 21 80K UDP
100 100 100% 0.16K 4 25 16K sigqueue
96 96 100% 0.50K 6 16 48K xfs_vnode
96 96 100% 0.50K 6 16 48K xfs_inode
92 92 100% 0.69K 4 23 64K bdev_cache
92 92 100% 0.68K 4 23 64K shmem_inode_cache
88 88 100% 0.18K 4 22 16K file_lock_cache
88 88 100% 0.18K 4 22 16K xfs_buf_item
85 85 100% 0.05K 1 85 4K Acpi-Parse
85 85 100% 0.45K 5 17 40K xfs_dquots
84 84 100% 1.50K 4 21 128K TCP
80 80 100% 0.20K 4 20 16K xfs_log_ticket
80 80 100% 0.78K 4 20 64K xfs_trans
72 72 100% 1.74K 4 18 128K blkdev_queue
64 64 100% 0.48K 4 16 32K xfs_da_state
18 18 100% 0.88K 1 18 16K mqueue_inode_cache
16 16 100% 0.49K 1 16 8K hugetlbfs_inode_cache
# vmstat 1
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
2 0 22824 771404 112 187288 0 0 11532 96 1448 1526 0 4 96 0
1 0 22824 760592 112 193928 0 0 6504 0 2126 1937 0 5 95 0
0 0 22824 757800 112 200968 0 0 7072 0 2313 2116 0 6 94 0
0 0 22824 745976 112 212244 0 0 11372 20 1735 1475 0 5 95 0
0 0 22824 738772 128 220260 0 0 7956 0 1939 1762 1 4 95 0
1 0 22824 729536 196 225696 0 0 5468 16 2316 1784 1 6 91 2
0 0 22824 727088 196 231692 0 0 6016 0 2096 1877 0 5 95 0
0 0 22824 716836 196 241680 0 0 9980 0 2089 1815 0 6 94 0
0 0 22824 708288 196 250636 0 0 9032 0 1984 1930 0 6 94 0
0 0 22824 700896 340 258148 0 0 7592 4 2201 2180 0 5 93 2
0 0 22824 700800 340 258164 0 0 0 1 68 37 0 0 100 0
0 0 22824 700564 360 258452 0 0 308 24 1426 1010 3 6 89 2
0 0 22824 700552 360 258460 0 0 0 0 61 27 0 0 100 0
0 0 22824 700552 360 258460 0 0 0 4 62 29 0 0 100 0
0 0 22824 700552 360 258460 0 0 0 12 77 31 0 0 100 0
0 0 22824 700264 372 258460 0 0 4 60 430 158 2 2 96 1
0 0 22824 700404 372 258512 96 0 164 0 158 83 0 0 98 1
kernel 2.6.32.56
===============================================================================
# slabtop
Active / Total Objects (% used) : 480768 / 490400 (98.0%)
Active / Total Slabs (% used) : 15343 / 15343 (100.0%)
Active / Total Caches (% used) : 56 / 72 (77.8%)
Active / Total Size (% used) : 437468.87K / 440362.06K (99.3%)
Minimum / Average / Maximum Object : 0.01K / 0.90K / 8.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
416032 416032 100% 1.00K 13001 32 416032K xfs_inode
14868 7876 52% 0.19K 708 21 2832K dentry
9715 9641 99% 0.55K 335 29 5360K radix_tree_node
9027 8987 99% 0.08K 177 51 708K sysfs_dir_cache
7644 7526 98% 0.61K 294 26 4704K inode_cache
3726 3697 99% 0.17K 162 23 648K vm_area_struct
3584 3583 99% 0.01K 7 512 28K kmalloc-8
2304 2295 99% 0.02K 9 256 36K kmalloc-16
1848 1848 100% 0.07K 33 56 132K Acpi-ParseExt
1806 1806 100% 0.09K 43 42 172K kmalloc-96
1716 404 23% 0.81K 44 39 1408K ext3_inode_cache
1491 1396 93% 0.19K 71 21 284K kmalloc-192
1472 1303 88% 0.06K 23 64 92K kmalloc-64
1440 1407 97% 0.12K 45 32 180K kmalloc-128
1408 1403 99% 0.03K 11 128 44K kmalloc-32
1280 996 77% 0.03K 10 128 40K anon_vma
1190 1190 100% 0.02K 7 170 28K fsnotify_event_holder
1120 1114 99% 0.25K 35 32 280K kmalloc-256
1020 920 90% 0.04K 10 102 40K dm_io
680 680 100% 0.02K 4 170 16K journal_handle
640 628 98% 1.00K 20 32 640K kmalloc-1024
544 531 97% 0.50K 17 32 272K kmalloc-512
512 512 100% 0.02K 2 256 8K revoke_table
392 372 94% 4.00K 49 8 1568K kmalloc-4096
360 356 98% 0.88K 10 36 320K signal_cache
352 320 90% 1.41K 16 22 512K task_struct
330 310 93% 2.06K 22 15 704K sighand_cache
292 292 100% 0.05K 4 73 16K uhci_urb_priv
288 258 89% 2.00K 18 16 576K kmalloc-2048
255 255 100% 0.05K 3 85 12K Acpi-Parse
240 232 96% 0.33K 10 24 80K blkdev_requests
216 154 71% 0.11K 6 36 24K buffer_head
189 125 66% 0.38K 9 21 72K ip_dst_cache
180 180 100% 0.53K 6 30 96K idr_layer_cache
168 111 66% 0.66K 7 24 112K proc_inode_cache
161 118 73% 0.69K 7 23 112K files_cache
160 160 100% 8.00K 40 4 1280K kmalloc-8192
156 156 100% 0.81K 4 39 128K mm_struct
156 156 100% 0.20K 4 39 32K xfs_btree_cur
144 144 100% 0.88K 4 36 128K bdev_cache
144 144 100% 0.11K 4 36 16K journal_head
105 105 100% 0.75K 5 21 80K sock_inode_cache
100 100 100% 0.16K 4 25 16K sigqueue
100 100 100% 0.62K 4 25 64K UNIX
88 88 100% 0.18K 4 22 16K file_lock_cache
84 84 100% 1.50K 4 21 128K TCP
84 84 100% 0.75K 4 21 64K UDP
84 84 100% 0.75K 4 21 64K RAW
80 80 100% 0.80K 4 20 64K shmem_inode_cache
80 80 100% 0.20K 4 20 16K xfs_log_ticket
80 80 100% 0.78K 4 20 64K xfs_trans
75 75 100% 2.06K 5 15 160K blkdev_queue
68 68 100% 0.46K 2 34 32K xfs_dquots
64 64 100% 0.25K 2 32 16K tw_sock_TCP
32 32 100% 1.00K 1 32 32K mqueue_inode_cache
26 26 100% 0.61K 1 26 16K hugetlbfs_inode_cache
# vmstat 1
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 6 26308 629672 120 10832 6936 1336 38684 1528 3984 4832 0 1 51 48
0 5 26132 627972 100 10792 8344 1992 37268 2176 3858 4270 0 1 48 51
0 6 26112 625360 108 11120 5728 1012 24400 1080 4197 4197 0 1 48 52
0 4 26012 622216 100 12184 4232 1084 49108 1168 1812 2003 0 1 54 45
0 7 26136 617312 100 12292 5012 724 22468 840 3820 3811 0 1 60 39
0 6 26900 607272 112 10852 4416 1936 20164 2020 3765 4018 0 2 38 60
0 8 26956 605556 112 11088 10028 2060 36976 2188 3815 4206 0 1 50 50
0 8 27136 603588 104 11804 6652 1484 30004 1560 4408 4292 0 1 47 52
0 9 27232 603032 92 10872 11192 2060 44168 2196 3064 4193 0 1 48 51
0 9 27268 600808 108 11484 5608 1100 24528 1180 3820 5032 0 1 45 55
0 8 27176 597888 92 13240 4176 776 16144 804 1740 1991 0 1 43 56
0 9 27344 597520 88 11856 4264 1024 17204 1092 2151 2285 0 1 46 53
0 9 27256 595072 84 13612 4012 672 16788 712 1766 1728 0 0 49 50
0 7 27380 596036 76 10692 4632 1004 19932 1112 2502 2615 0 1 44 55
0 8 27364 595124 84 10672 7124 1280 29760 1360 2087 2340 0 1 54 46
0 4 25804 557156 220 25100 2380 0 14900 64 5912 13791 1 3 43 53
0 7 30616 558984 148 10960 6244 5936 30808 6080 5464 6092 1 3 43 54
1 8 30684 557096 144 10748 4696 856 17660 912 2882 3462 0 1 50 49
0 9 30636 555916 148 10724 4844 1096 18504 1152 1930 1882 0 1 48 52
0 7 30760 555464 124 10632 3464 772 47860 804 2756 2311 0 1 48 51
2 9 30708 552508 128 11080 5600 1212 27764 1312 3246 5115 0 1 51 48
0 9 30576 550956 124 10920 6680 1212 28460 1288 3680 3391 0 1 49 50
1 7 30652 543576 168 15832 4084 1420 15116 1444 2166 1994 0 1 41 58
0 8 31504 548592 128 10072 5744 2224 13168 2272 2497 2356 0 1 42 57
0 7 30284 538804 164 12796 3784 1064 14220 1128 2793 3585 0 1 49 50
0 6 28988 529760 228 19680 5236 584 11752 624 2569 1870 0 2 37 61
0 8 30132 537608 124 11704 4736 1948 16048 2060 2335 2714 0 1 48 52
0 7 29952 536456 160 12444 6068 1260 14908 1316 1857 2408 0 1 48 52
1 7 30288 535668 156 12084 4952 1692 11324 1748 2286 2741 0 1 49 50
0 7 30452 536408 132 10644 10128 1780 29128 1916 3161 5233 0 0 49 50
0 12 30472 535008 128 11148 9836 1656 37876 1744 4245 5299 0 0 65 34
0 11 30568 533392 128 12140 10000 2448 37572 2532 3759 4130 0 1 59 40
0 11 30628 534444 108 10608 8116 1736 30740 1784 5541 5724 0 1 46 54
0 8 30328 531032 108 12924 5404 1076 16324 1128 3451 3183 0 1 46 53
0 9 30400 533212 104 11136 4608 1176 14616 1216 2326 2648 0 1 46 53
0 11 30296 532704 116 10800 6708 1440 25280 1516 2927 3307 0 1 47 52
0 11 30272 529704 104 12772 4916 1232 15496 1272 2074 2524 0 1 48 52
0 8 30576 532268 100 11052 5724 1412 16424 1448 2462 2833 0 1 51 48
0 11 30344 531728 100 10900 8640 2000 34480 2080 3452 5607 0 1 41 59
0 11 30360 529976 88 11688 5432 1352 24172 1408 3961 6200 0 1 46 53
0 11 30268 528664 84 12972 6576 1460 31992 1548 4034 5064 0 1 43 56
0 14 30288 530108 104 11436 8188 1684 29112 1744 4197 5561 0 0 47 52
0 18 30132 529456 128 11372 21580 3968 70524 4028 4764 6888 0 1 47 52
0 16 29796 529032 112 11736 26780 5956 102288 6096 13129 19791
0 1 43 56
0 17 29524 528248 120 12868 35696 8056 140268 8224 10286 14513
0 1 44 56
0 15 22308 528696 132 12140 27956 7296 120788 7520 18155 28256
0 1 45 54
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