================ test started at: Thu May 12 23:43:13 PDT 2011 ================
=============================== disks to be used ===============================
/dev/md0
================================ create the PVs ================================
Physical volume "/dev/md0" successfully created
================================ create the VG ================================
Volume group "large_vg" successfully created
--- Volume group ---
VG Name large_vg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 1
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 199.39 TB
PE Size 4.00 MB
Total PE 52269049
Alloc PE / Size 0 / 0
Free PE / Size 52269049 / 199.39 TB
VG UUID w1uEH1-EwuA-736R-THRY-gvBW-MS6x-0gSWkd
================================ create the LVs ================================
Logical volume "mdt_lv" created
Logical volume "ost_lv" created
--- Logical volume ---
LV Name /dev/large_vg/mdt_lv
VG Name large_vg
LV UUID lh1J8T-1SKy-eSeC-x6a2-prHx-Pilv-An7AY3
LV Write Access read/write
LV Status available
# open 0
LV Size 2.00 TB
Current LE 524288
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 57344
Block device 253:2
--- Logical volume ---
LV Name /dev/large_vg/ost_lv
VG Name large_vg
LV UUID EsaifZ-7Nk0-CnQC-zt8J-yAEb-DDi3-AYX2E2
LV Write Access read/write
LV Status available
# open 0
LV Size 128.00 TB
Current LE 33554432
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 57344
Block device 253:3
================= run llverdev on the OST /dev/large_vg/ost_lv =================
# time llverdev -vpf /dev/large_vg/ost_lv
llverdev: /dev/large_vg/ost_lv is 140737488355328 bytes (131072 GB) in size
Timestamp: 1305268994
write offset: 1755316224kB 669.8 MB/s
write offset: 3619684352kB 711.2 MB/s
write offset: 5427429376kB 689.6 MB/s
write offset: 7103053824kB 639.2 MB/s
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write offset: 14519631872kB 518.4 MB/s
write offset: 16419651584kB 724.8 MB/s
write offset: 19901972480kB 1328.4 MB/s
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write complete
write offset: 137438953472kB 0.0909091 MB/s
write complete
read offset: 23068672kB 9 MB/s
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read complete
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read complete
llverdev: data verified successfully
real 58m2.904s
user 0m2.725s
sys 9m47.551s
===================== format the MDT /dev/large_vg/mdt_lv =====================
# time mkfs.lustre --reformat --fsname=largefs --mdt --mgs --mkfsoptions='-t ext4' /dev/large_vg/mdt_lv
Permanent disk data:
Target: largefs-MDTffff
Index: unassigned
Lustre FS: largefs
Mount type: ldiskfs
Flags: 0x75
(MDT MGS needs_index first_time update )
Persistent mount opts: iopen_nopriv,user_xattr,errors=remount-ro
Parameters: mdt.group_upcall=/usr/sbin/l_getgroups
device size = 2097152MB
2 6 18
formatting backing filesystem ldiskfs on /dev/large_vg/mdt_lv
target name largefs-MDTffff
4k blocks 536870912
options -t ext4 -J size=400 -i 4096 -I 512 -q -O dir_index,uninit_groups -F
mkfs_cmd = mke2fs -j -b 4096 -L largefs-MDTffff -t ext4 -J size=400 -i 4096 -I 512 -q -O dir_index,uninit_groups -F /dev/large_vg/mdt_lv 536870912
Writing CONFIGS/mountdata
real 4m20.365s
user 0m19.411s
sys 3m49.944s
===================== format the OST /dev/large_vg/ost_lv =====================
# time mkfs.lustre --reformat --fsname=largefs --ost --mgsnode=192.168.77.1@o2ib --mkfsoptions='-t ext4 -i 1058576' --mountfsoptions='errors=remount-ro,extents,mballoc,force_over_16tb' /dev/large_vg/ost_lv
Permanent disk data:
Target: largefs-OSTffff
Index: unassigned
Lustre FS: largefs
Mount type: ldiskfs
Flags: 0x72
(OST needs_index first_time update )
Persistent mount opts: errors=remount-ro,extents,mballoc,force_over_16tb
Parameters: mgsnode=192.168.77.1@o2ib
device size = 134217728MB
2 6 18
formatting backing filesystem ldiskfs on /dev/large_vg/ost_lv
target name largefs-OSTffff
4k blocks 34359738368
options -t ext4 -i 1058576 -J size=400 -I 256 -q -O dir_index,extents,uninit_groups -F
mkfs_cmd = mke2fs -j -b 4096 -L largefs-OSTffff -t ext4 -i 1058576 -J size=400 -I 256 -q -O dir_index,extents,uninit_groups -F /dev/large_vg/ost_lv 34359738368
Writing CONFIGS/mountdata
real 1m22.322s
user 0m6.786s
sys 0m33.467s
=========== dump the super block information on /dev/large_vg/ost_lv ===========
# dumpe2fs -h /dev/large_vg/ost_lv
dumpe2fs 1.41.90.wc1 (18-Mar-2011)
Filesystem volume name: largefs-OSTffff
Last mounted on: /tmp/mnt6d98sv/tmp/mnt6d98sv
Filesystem UUID: 5e2a898b-da07-48a4-93cf-1c3a3159b517
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr dir_index filetype extent 64bit flex_bg sparse_super huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 134217728
Block count: 34359738368
Reserved block count: 1717986918
Free blocks: 34348675033
Free inodes: 134217715
First block: 0
Block size: 4096
Fragment size: 4096
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 128
Inode blocks per group: 8
Flex block group size: 16
Filesystem created: Fri May 13 00:45:38 2011
Last mount time: Fri May 13 00:47:00 2011
Last write time: Fri May 13 00:47:01 2011
Mount count: 1
Maximum mount count: 20
Last checked: Fri May 13 00:45:38 2011
Check interval: 0 (<none>)
Lifetime writes: 34 GB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 32b48ffa-1ae0-4da0-9cfd-6d0edbeece5a
Journal backup: inode blocks
Journal features: FEATURE_I1
Journal size: 400M
Journal length: 102400
Journal sequence: 0x00000004
Journal start: 0
========= mount the OST /dev/large_vg/ost_lv as an ldiskfs filesystem =========
# mount -t ldiskfs -o extents,mballoc,force_over_16tb /dev/large_vg/ost_lv /mnt/ost1
/dev/mapper/large_vg-ost_lv on /mnt/ost1 type ldiskfs (rw,extents,mballoc,force_over_16tb)
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/large_vg-ost_lv
128T 401M 122T 1% /mnt/ost1
===== run llverfs in partial mode on the OST ldiskfs filesystem /mnt/ost1 =====
# time llverfs -vpl /mnt/ost1
Timestamp: 1305272823
write File name: /mnt/ost1/dir00000/file000
write File name: /mnt/ost1/dir00010/file000
write File name: /mnt/ost1/dir00164/file000
write File name: /mnt/ost1/dir00391/file000
write File name: /mnt/ost1/dir00626/file000
write File name: /mnt/ost1/dir00863/file000
write File name: /mnt/ost1/dir01120/file000
write File name: /mnt/ost1/dir01397/file000
write File name: /mnt/ost1/dir01687/file000
write File name: /mnt/ost1/dir01959/file000
write File name: /mnt/ost1/dir02244/file000
write File name: /mnt/ost1/dir02508/file000
write File name: /mnt/ost1/dir02701/file000
write File name: /mnt/ost1/dir02914/file000
write File name: /mnt/ost1/dir03168/file000
write File name: /mnt/ost1/dir03473/file000
write File name: /mnt/ost1/dir03766/file000
write File name: /mnt/ost1/dir04067/file000
write File name: /mnt/ost1/dir04358/file000
write File name: /mnt/ost1/dir04650/file000
write File name: /mnt/ost1/dir04815/file000
write File name: /mnt/ost1/dir05048/file000
write File name: /mnt/ost1/dir05349/file000
write File name: /mnt/ost1/dir05627/file000
write File name: /mnt/ost1/dir05924/file000
write File name: /mnt/ost1/dir06245/file000
write File name: /mnt/ost1/dir06546/file000
write File name: /mnt/ost1/dir06815/file000
write File name: /mnt/ost1/dir07121/file000
write File name: /mnt/ost1/dir07439/file000
write File name: /mnt/ost1/dir07750/file000
write File name: /mnt/ost1/dir08057/file000
write File name: /mnt/ost1/dir08224/file000
write File name: /mnt/ost1/dir08317/file000
write File name: /mnt/ost1/dir08636/file000
write File name: /mnt/ost1/dir08948/file000
write File name: /mnt/ost1/dir09268/file000
write File name: /mnt/ost1/dir09592/file000
write File name: /mnt/ost1/dir09907/file000
write File name: /mnt/ost1/dir10221/file000
write File name: /mnt/ost1/dir10537/file000
write File name: /mnt/ost1/dir10865/file000
write File name: /mnt/ost1/dir11171/file000
write File name: /mnt/ost1/dir11483/file000
write File name: /mnt/ost1/dir11643/file000
write File name: /mnt/ost1/dir11749/file000
write File name: /mnt/ost1/dir12031/file000
write File name: /mnt/ost1/dir12345/file000
write File name: /mnt/ost1/dir12692/file000
write File name: /mnt/ost1/dir13028/file000
write File name: /mnt/ost1/dir13333/file000
write File name: /mnt/ost1/dir13630/file000
write File name: /mnt/ost1/dir13929/file000
write File name: /mnt/ost1/dir14256/file000
write File name: /mnt/ost1/dir14591/file000
write File name: /mnt/ost1/dir14921/file000
write File name: /mnt/ost1/dir15096/file000
write File name: /mnt/ost1/dir15197/file000
write File name: /mnt/ost1/dir15538/file000
write File name: /mnt/ost1/dir15880/file000
write File name: /mnt/ost1/dir16222/file000
write File name: /mnt/ost1/dir16534/file000
write File name: /mnt/ost1/dir16859/file000
write File name: /mnt/ost1/dir17184/file000
write File name: /mnt/ost1/dir17509/file000
write File name: /mnt/ost1/dir17829/file000
write File name: /mnt/ost1/dir18157/file000
write File name: /mnt/ost1/dir18499/file000
write File name: /mnt/ost1/dir18671/file000
write File name: /mnt/ost1/dir18758/file000
write File name: /mnt/ost1/dir19067/file000
write File name: /mnt/ost1/dir19383/file000
write File name: /mnt/ost1/dir19708/file000
write File name: /mnt/ost1/dir20044/file000
write File name: /mnt/ost1/dir20380/file000
write File name: /mnt/ost1/dir20704/file000
write File name: /mnt/ost1/dir21030/file000
write File name: /mnt/ost1/dir21355/file000
write File name: /mnt/ost1/dir21666/file000
write File name: /mnt/ost1/dir22003/file000
write File name: /mnt/ost1/dir22156/file000
write File name: /mnt/ost1/dir22266/file000
write File name: /mnt/ost1/dir22597/file000
write File name: /mnt/ost1/dir22931/file000
write File name: /mnt/ost1/dir23255/file000
write File name: /mnt/ost1/dir23579/file000
write File name: /mnt/ost1/dir23914/file000
write File name: /mnt/ost1/dir24232/file000
write File name: /mnt/ost1/dir24546/file000
write File name: /mnt/ost1/dir24871/file000
write File name: /mnt/ost1/dir25191/file000
write File name: /mnt/ost1/dir25517/file000
write File name: /mnt/ost1/dir25674/file000
write File name: /mnt/ost1/dir25800/file000
write File name: /mnt/ost1/dir26122/file000
write File name: /mnt/ost1/dir26456/file000
write File name: /mnt/ost1/dir26810/file000
write File name: /mnt/ost1/dir27164/file000
write File name: /mnt/ost1/dir27509/file000
write File name: /mnt/ost1/dir27806/file000
write File name: /mnt/ost1/dir28098/file000
write File name: /mnt/ost1/dir28440/file000
write File name: /mnt/ost1/dir28780/file000
write File name: /mnt/ost1/dir29106/file000
write File name: /mnt/ost1/dir29266/file000
write File name: /mnt/ost1/dir29397/file000
write File name: /mnt/ost1/dir29712/file000
write File name: /mnt/ost1/dir29998/file000
write complete
read File name: /mnt/ost1/dir00194/file000
read File name: /mnt/ost1/dir00562/file000
read File name: /mnt/ost1/dir00859/file000
read File name: /mnt/ost1/dir01248/file000
read File name: /mnt/ost1/dir01623/file000
read File name: /mnt/ost1/dir02070/file000
read File name: /mnt/ost1/dir02536/file000
read File name: /mnt/ost1/dir02940/file000
read File name: /mnt/ost1/dir03383/file000
read File name: /mnt/ost1/dir03701/file000
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read File name: /mnt/ost1/dir04355/file000
read File name: /mnt/ost1/dir04710/file000
read File name: /mnt/ost1/dir04981/file000
read File name: /mnt/ost1/dir05300/file000
read File name: /mnt/ost1/dir05677/file000
read File name: /mnt/ost1/dir06034/file000
read File name: /mnt/ost1/dir06292/file000
read File name: /mnt/ost1/dir06628/file000
read File name: /mnt/ost1/dir12455/file000
read File name: /mnt/ost1/dir25781/file000
read File name: /mnt/ost1/dir26116/file000
read File name: /mnt/ost1/dir26442/file000
read File name: /mnt/ost1/dir26810/file000
read File name: /mnt/ost1/dir26862/file000
read File name: /mnt/ost1/dir29006/file000
read File name: /mnt/ost1/dir29359/file000
read File name: /mnt/ost1/dir29731/file000
read File name: /mnt/ost1/dir29998/file000
read complete
real 11m23.279s
user 0m1.217s
sys 1m33.825s
===================== unmount the OST /dev/large_vg/ost_lv =====================
# umount /mnt/ost1
================== run e2fsck on device /dev/large_vg/ost_lv ==================
# time e2fsck -fy -tt /dev/large_vg/ost_lv
e2fsck 1.41.90.wc1 (18-Mar-2011)
Pass 1: Checking inodes, blocks, and sizes
Pass 1: Memory used: 276k/166364k (71k/206k), time: 208.19/ 3.52/ 3.93
Pass 1: I/O read: 118MB, write: 1MB, rate: 0.57MB/s
Pass 2: Checking directory structure
Pass 2: Memory used: 276k/202552k (64k/213k), time: 318.25/ 0.91/ 1.27
Pass 2: I/O read: 118MB, write: 0MB, rate: 0.37MB/s
Pass 3: Checking directory connectivity
Peak memory: Memory used: 16624k/202552k (16449k/176k), time: 533.78/ 6.95/ 8.32
Pass 3A: Memory used: 16624k/202552k (16448k/177k), time: 0.00/ 0.00/ 0.00
Pass 3A: I/O read: 0MB, write: 0MB, rate: 0.00MB/s
Pass 3: Memory used: 16624k/202200k (64k/16561k), time: 0.01/ 0.01/ 0.01
Pass 3: I/O read: 1MB, write: 0MB, rate: 74.33MB/s
Pass 4: Checking reference counts
Pass 4: Memory used: 16624k/110620k (64k/16561k), time: 2.63/ 2.62/ 0.00
Pass 4: I/O read: 0MB, write: 0MB, rate: 0.00MB/s
Pass 5: Checking group summary information
Pass 5: Memory used: 24816k/77844k (16448k/8369k), time: 492.52/54.49/ 4.83
Pass 5: I/O read: 259MB, write: 0MB, rate: 0.53MB/s
largefs-OSTffff: 60012/134217728 files (0.2% non-contiguous), 18773235/34359738368 blocks
Memory used: 24816k/77844k (16448k/8369k), time: 1029.31/64.43/13.15
I/O read: 558MB, write: 1MB, rate: 0.54MB/s
real 17m9.881s
user 1m4.495s
sys 0m13.575s
====== mount the OST /dev/large_vg/ost_lv as an ldiskfs filesystem again ======
# mount -t ldiskfs -o extents,mballoc,force_over_16tb /dev/large_vg/ost_lv /mnt/ost1
/dev/mapper/large_vg-ost_lv on /mnt/ost1 type ldiskfs (rw,extents,mballoc,force_over_16tb)
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/large_vg-ost_lv
128T 30G 122T 1% /mnt/ost1
# time rm -rf /mnt/ost1/{*.filecount,dir*}
real 18m36.392s
user 0m0.743s
sys 0m9.191s
===================== unmount the OST /dev/large_vg/ost_lv =====================
# umount /mnt/ost1
========================= setup the Lustre filesystem =========================
# mount -t lustre -o user_xattr,acl /dev/large_vg/mdt_lv /mnt/mds1
/dev/large_vg/mdt_lv on /mnt/mds1 type lustre (rw,user_xattr,acl)
Filesystem Size Used Avail Use% Mounted on
/dev/large_vg/mdt_lv 1.8T 471M 1.7T 1% /mnt/mds1
# mount -t lustre -o extents,mballoc,force_over_16tb /dev/large_vg/ost_lv /mnt/ost1
/dev/large_vg/ost_lv on /mnt/ost1 type lustre (rw,extents,mballoc,force_over_16tb)
Filesystem Size Used Avail Use% Mounted on
/dev/large_vg/ost_lv 128T 401M 122T 1% /mnt/ost1
# mount -t lustre -o user_xattr,acl,flock 192.168.77.1@o2ib:/largefs /mnt/lustre
192.168.77.1@o2ib:/largefs on /mnt/lustre type lustre (rw,user_xattr,acl,flock)
Filesystem Size Used Avail Use% Mounted on
192.168.77.1@o2ib:/largefs
128T 401M 122T 1% /mnt/lustre
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
9.1G 3.3G 5.4G 38% /
/dev/hda1 99M 20M 75M 21% /boot
tmpfs 16G 0 16G 0% /dev/shm
/dev/large_vg/mdt_lv 1.8T 471M 1.7T 1% /mnt/mds1
/dev/large_vg/ost_lv 128T 401M 122T 1% /mnt/ost1
192.168.77.1@o2ib:/largefs
128T 401M 122T 1% /mnt/lustre
# lfs df -h /mnt/lustre
UUID bytes Used Available Use% Mounted on
largefs-MDT0000_UUID 1.7T 470.1M 1.6T 0% /mnt/lustre[MDT:0]
largefs-OST0000_UUID 128.0T 400.8M 121.6T 0% /mnt/lustre[OST:0]
filesystem summary: 128.0T 400.8M 121.6T 0% /mnt/lustre
# lfs df -i /mnt/lustre
UUID Inodes IUsed IFree IUse% Mounted on
largefs-MDT0000_UUID 469606378 25 469606353 0% /mnt/lustre[MDT:0]
largefs-OST0000_UUID 134217728 56 134217672 0% /mnt/lustre[OST:0]
filesystem summary: 469606378 25 469606353 0% /mnt/lustre
lnet.debug=0x33f0404
lnet.subsystem_debug=0xffb7e3ff
lnet.debug_mb=10
=========== dump the super block information on /dev/large_vg/ost_lv ===========
# dumpe2fs -h /dev/large_vg/ost_lv
dumpe2fs 1.41.90.wc1 (18-Mar-2011)
Filesystem volume name: largefs-OST0000
Last mounted on: /
Filesystem UUID: 5e2a898b-da07-48a4-93cf-1c3a3159b517
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr dir_index filetype needs_recovery extent 64bit flex_bg sparse_super huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 134217728
Block count: 34359738368
Reserved block count: 1717986918
Free blocks: 34348674877
Free inodes: 134217715
First block: 0
Block size: 4096
Fragment size: 4096
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 128
Inode blocks per group: 8
Flex block group size: 16
Filesystem created: Fri May 13 00:45:38 2011
Last mount time: Fri May 13 01:34:34 2011
Last write time: Fri May 13 01:34:34 2011
Mount count: 3
Maximum mount count: 20
Last checked: Fri May 13 00:58:32 2011
Check interval: 0 (<none>)
Lifetime writes: 34 GB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 32b48ffa-1ae0-4da0-9cfd-6d0edbeece5a
Journal backup: inode blocks
Journal features: journal_incompat_revoke FEATURE_I1
Journal size: 400M
Journal length: 102400
Journal sequence: 0x00000173
Journal start: 1
======= run llverfs in partial mode on the Lustre filesystem /mnt/lustre =======
# time llverfs -vpl /mnt/lustre
Timestamp: 1305275704
write File name: /mnt/lustre/dir00000/file000
write File name: /mnt/lustre/dir00509/file000
write File name: /mnt/lustre/dir01090/file000
write File name: /mnt/lustre/dir01663/file000
write File name: /mnt/lustre/dir02225/file000
write File name: /mnt/lustre/dir02787/file000
write File name: /mnt/lustre/dir03341/file000
write File name: /mnt/lustre/dir03900/file000
write File name: /mnt/lustre/dir04450/file000
write File name: /mnt/lustre/dir05003/file000
write File name: /mnt/lustre/dir05553/file000
write File name: /mnt/lustre/dir06103/file000
write File name: /mnt/lustre/dir06642/file000
write File name: /mnt/lustre/dir07180/file000
write File name: /mnt/lustre/dir07718/file000
write File name: /mnt/lustre/dir08243/file000
write File name: /mnt/lustre/dir08766/file000
write File name: /mnt/lustre/dir09296/file000
write File name: /mnt/lustre/dir09819/file000
write File name: /mnt/lustre/dir10339/file000
write File name: /mnt/lustre/dir10856/file000
write File name: /mnt/lustre/dir11365/file000
write File name: /mnt/lustre/dir11880/file000
write File name: /mnt/lustre/dir12387/file000
write File name: /mnt/lustre/dir12894/file000
write File name: /mnt/lustre/dir13412/file000
write File name: /mnt/lustre/dir13924/file000
write File name: /mnt/lustre/dir14440/file000
write File name: /mnt/lustre/dir14942/file000
write File name: /mnt/lustre/dir15448/file000
write File name: /mnt/lustre/dir15955/file000
write File name: /mnt/lustre/dir16459/file000
write File name: /mnt/lustre/dir16960/file000
write File name: /mnt/lustre/dir17467/file000
write File name: /mnt/lustre/dir17962/file000
write File name: /mnt/lustre/dir18462/file000
write File name: /mnt/lustre/dir18956/file000
write File name: /mnt/lustre/dir19459/file000
write File name: /mnt/lustre/dir19962/file000
write File name: /mnt/lustre/dir20462/file000
write File name: /mnt/lustre/dir20964/file000
write File name: /mnt/lustre/dir21464/file000
write File name: /mnt/lustre/dir21966/file000
write File name: /mnt/lustre/dir22465/file000
write File name: /mnt/lustre/dir22964/file000
write File name: /mnt/lustre/dir23464/file000
write File name: /mnt/lustre/dir23968/file000
write File name: /mnt/lustre/dir24462/file000
write File name: /mnt/lustre/dir24960/file000
write File name: /mnt/lustre/dir25458/file000
write File name: /mnt/lustre/dir25959/file000
write File name: /mnt/lustre/dir26448/file000
write File name: /mnt/lustre/dir26947/file000
write File name: /mnt/lustre/dir27438/file000
write File name: /mnt/lustre/dir27929/file000
write File name: /mnt/lustre/dir28423/file000
write File name: /mnt/lustre/dir28920/file000
write File name: /mnt/lustre/dir29410/file000
write File name: /mnt/lustre/dir29896/file000
write File name: /mnt/lustre/dir29998/file000
write complete
read File name: /mnt/lustre/dir00217/file000
read File name: /mnt/lustre/dir00395/file000
read File name: /mnt/lustre/dir00510/file000
read File name: /mnt/lustre/dir00685/file000
read File name: /mnt/lustre/dir00939/file000
read File name: /mnt/lustre/dir01183/file000
read File name: /mnt/lustre/dir01407/file000
read File name: /mnt/lustre/dir01649/file000
read File name: /mnt/lustre/dir01908/file000
read File name: /mnt/lustre/dir02153/file000
read File name: /mnt/lustre/dir02394/file000
read File name: /mnt/lustre/dir02654/file000
read File name: /mnt/lustre/dir02879/file000
read File name: /mnt/lustre/dir03092/file000
read File name: /mnt/lustre/dir03330/file000
read File name: /mnt/lustre/dir03568/file000
read File name: /mnt/lustre/dir03823/file000
read File name: /mnt/lustre/dir04090/file000
read File name: /mnt/lustre/dir04330/file000
read File name: /mnt/lustre/dir04563/file000
read File name: /mnt/lustre/dir04814/file000
read File name: /mnt/lustre/dir05077/file000
read File name: /mnt/lustre/dir05332/file000
read File name: /mnt/lustre/dir05582/file000
read File name: /mnt/lustre/dir05845/file000
read File name: /mnt/lustre/dir06096/file000
read File name: /mnt/lustre/dir06366/file000
read File name: /mnt/lustre/dir06635/file000
read File name: /mnt/lustre/dir06893/file000
read File name: /mnt/lustre/dir07157/file000
read File name: /mnt/lustre/dir07423/file000
read File name: /mnt/lustre/dir07685/file000
read File name: /mnt/lustre/dir07943/file000
read File name: /mnt/lustre/dir08200/file000
read File name: /mnt/lustre/dir08457/file000
read File name: /mnt/lustre/dir08739/file000
read File name: /mnt/lustre/dir09006/file000
read File name: /mnt/lustre/dir09277/file000
read File name: /mnt/lustre/dir09562/file000
read File name: /mnt/lustre/dir09839/file000
read File name: /mnt/lustre/dir10102/file000
read File name: /mnt/lustre/dir10373/file000
read File name: /mnt/lustre/dir10646/file000
read File name: /mnt/lustre/dir10895/file000
read File name: /mnt/lustre/dir11174/file000
read File name: /mnt/lustre/dir11421/file000
read File name: /mnt/lustre/dir11685/file000
read File name: /mnt/lustre/dir11957/file000
read File name: /mnt/lustre/dir12213/file000
read File name: /mnt/lustre/dir12479/file000
read File name: /mnt/lustre/dir12744/file000
read File name: /mnt/lustre/dir13000/file000
read File name: /mnt/lustre/dir13255/file000
read File name: /mnt/lustre/dir13525/file000
read File name: /mnt/lustre/dir13782/file000
read File name: /mnt/lustre/dir14051/file000
read File name: /mnt/lustre/dir14319/file000
read File name: /mnt/lustre/dir14573/file000
read File name: /mnt/lustre/dir14823/file000
read File name: /mnt/lustre/dir15086/file000
read File name: /mnt/lustre/dir15330/file000
read File name: /mnt/lustre/dir15561/file000
read File name: /mnt/lustre/dir15825/file000
read File name: /mnt/lustre/dir16086/file000
read File name: /mnt/lustre/dir16344/file000
read File name: /mnt/lustre/dir16612/file000
read File name: /mnt/lustre/dir16892/file000
read File name: /mnt/lustre/dir17160/file000
read File name: /mnt/lustre/dir17425/file000
read File name: /mnt/lustre/dir17690/file000
read File name: /mnt/lustre/dir17958/file000
read File name: /mnt/lustre/dir18237/file000
read File name: /mnt/lustre/dir18500/file000
read File name: /mnt/lustre/dir18772/file000
read File name: /mnt/lustre/dir19053/file000
read File name: /mnt/lustre/dir19315/file000
read File name: /mnt/lustre/dir19596/file000
read File name: /mnt/lustre/dir19875/file000
read File name: /mnt/lustre/dir20142/file000
read File name: /mnt/lustre/dir20414/file000
read File name: /mnt/lustre/dir20681/file000
read File name: /mnt/lustre/dir20964/file000
read File name: /mnt/lustre/dir21233/file000
read File name: /mnt/lustre/dir21488/file000
read File name: /mnt/lustre/dir21755/file000
read File name: /mnt/lustre/dir22021/file000
read File name: /mnt/lustre/dir22293/file000
read File name: /mnt/lustre/dir22555/file000
read File name: /mnt/lustre/dir22815/file000
read File name: /mnt/lustre/dir23112/file000
read File name: /mnt/lustre/dir23401/file000
read File name: /mnt/lustre/dir23687/file000
read File name: /mnt/lustre/dir23972/file000
read File name: /mnt/lustre/dir24236/file000
read File name: /mnt/lustre/dir24507/file000
read File name: /mnt/lustre/dir24773/file000
read File name: /mnt/lustre/dir25048/file000
read File name: /mnt/lustre/dir25321/file000
read File name: /mnt/lustre/dir25587/file000
read File name: /mnt/lustre/dir25867/file000
read File name: /mnt/lustre/dir26135/file000
read File name: /mnt/lustre/dir26411/file000
read File name: /mnt/lustre/dir26684/file000
read File name: /mnt/lustre/dir26957/file000
read File name: /mnt/lustre/dir27245/file000
read File name: /mnt/lustre/dir27517/file000
read File name: /mnt/lustre/dir27789/file000
read File name: /mnt/lustre/dir28050/file000
read File name: /mnt/lustre/dir28320/file000
read File name: /mnt/lustre/dir28583/file000
read File name: /mnt/lustre/dir28849/file000
read File name: /mnt/lustre/dir29125/file000
read File name: /mnt/lustre/dir29391/file000
read File name: /mnt/lustre/dir29665/file000
read File name: /mnt/lustre/dir29938/file000
read File name: /mnt/lustre/dir29998/file000
read complete
real 14m26.419s
user 0m1.484s
sys 7m27.234s
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
9.1G 3.3G 5.4G 38% /
/dev/hda1 99M 20M 75M 21% /boot
tmpfs 16G 0 16G 0% /dev/shm
/dev/large_vg/mdt_lv 1.8T 588M 1.7T 1% /mnt/mds1
/dev/large_vg/ost_lv 128T 30G 122T 1% /mnt/ost1
192.168.77.1@o2ib:/largefs
128T 30G 122T 1% /mnt/lustre
# lfs df -h /mnt/lustre
UUID bytes Used Available Use% Mounted on
largefs-MDT0000_UUID 1.7T 587.9M 1.6T 0% /mnt/lustre[MDT:0]
largefs-OST0000_UUID 128.0T 29.7G 121.5T 0% /mnt/lustre[OST:0]
filesystem summary: 128.0T 29.7G 121.5T 0% /mnt/lustre
# lfs df -i /mnt/lustre
UUID Inodes IUsed IFree IUse% Mounted on
largefs-MDT0000_UUID 469636214 60024 469576190 0% /mnt/lustre[MDT:0]
largefs-OST0000_UUID 134217728 30072 134187656 0% /mnt/lustre[OST:0]
filesystem summary: 469636214 60024 469576190 0% /mnt/lustre
======================== cleanup the Lustre filesystem ========================
# umount /mnt/lustre
# umount /mnt/mds1
# umount /mnt/ost1
================== run e2fsck on device /dev/large_vg/ost_lv ==================
# time e2fsck -fy -tt /dev/large_vg/ost_lv
e2fsck 1.41.90.wc1 (18-Mar-2011)
Pass 1: Checking inodes, blocks, and sizes
Pass 1: Memory used: 276k/164368k (88k/189k), time: 209.41/ 2.93/ 3.82
Pass 1: I/O read: 125MB, write: 1MB, rate: 0.60MB/s
Pass 2: Checking directory structure
Pass 2: Memory used: 276k/201728k (65k/212k), time: 0.07/ 0.04/ 0.02
Pass 2: I/O read: 2MB, write: 0MB, rate: 28.45MB/s
Pass 3: Checking directory connectivity
Peak memory: Memory used: 16660k/201728k (16449k/212k), time: 215.09/ 5.62/ 6.69
Pass 3A: Memory used: 16660k/201728k (16449k/212k), time: 0.00/ 0.00/ 0.00
Pass 3A: I/O read: 0MB, write: 0MB, rate: 0.00MB/s
Pass 3: Memory used: 16660k/201728k (64k/16597k), time: 0.01/ 0.00/ 0.01
Pass 3: I/O read: 1MB, write: 0MB, rate: 113.26MB/s
Pass 4: Checking reference counts
Pass 4: Memory used: 16660k/110620k (64k/16597k), time: 2.41/ 2.41/ 0.00
Pass 4: I/O read: 0MB, write: 0MB, rate: 0.00MB/s
Pass 5: Checking group summary information
Pass 5: Memory used: 24816k/77844k (16448k/8369k), time: 492.69/55.35/ 4.35
Pass 5: I/O read: 261MB, write: 0MB, rate: 0.53MB/s
largefs-OST0000: 30072/134217728 files (18.7% non-contiguous), 18743454/34359738368 blocks
Memory used: 24816k/77844k (16448k/8369k), time: 710.55/63.70/11.04
I/O read: 452MB, write: 1MB, rate: 0.64MB/s
real 11m51.076s
user 1m3.763s
sys 0m11.424s
======================== cleanup the Lustre filesystem ========================
============================= test duration: 8304s =============================
================ test stopped at: Fri May 13 02:01:38 PDT 2011 ================