Looking to confirm issue and seek advice on fix for inode btree fragmentation
Pippin Wallace
nippip at gmail.com
Thu Aug 13 18:35:31 CDT 2015
I am writing to confirm the issue I think I have and get advice on the best
short term and long term “fixes”.
In reading the following threads and others I am pretty sure I have inode
btree fragmentation and I have included detailed output below to help
confirm this.
Is XFS suitable for 350 million files on 20TB storage?
http://oss.sgi.com/archives/xfs/2014-09/msg00046.html
Bad performance on touch/cp file on XFS system
http://oss.sgi.com/archives/xfs/2014-08/msg00348.html
Extremely slow file creation/deletion after xfs ran full
http://oss.sgi.com/archives/xfs/2015-01/msg00203.html
In addition to diagnosis I want to insure I take the right steps to improve
performance in the short term and fix it correctly and thoroughly for the
long term.
Our workload is heavy write/delete and light reads. Most files are
smallish and we cannot mount xfs with inode64 as our primary app is 32
bit. Our hosts are running as VM’s on a KVM hypervisor.
Suggestion from Dave in post
http://oss.sgi.com/archives/xfs/2014-08/msg00349.html
If this is still the best short term fix would you please direct me to the
“How To” for doing this?
*“filling in all the holes (by creating a bunch of zero length files in the*
*appropriate AGs) might take some time, but it should make the*
*problem go away until you remove more filesystem and create random*
*free inode holes again...”*
Is this also a possible short term fix?
http://osvault.blogspot.com/2011/03/fixing-1tbyte-inode-problem-in-xfs-file.html
Long term fix is upgrade kernel to >= 3.16, xfsprogs >=3.2.1 and rebuild fs
with new finobt structure.
# mkfs.xfs -m crc=1,finobt=1 <dev>
Here is info others have asked for in previous threads and further below
that is data collected based on “What information should I include when
reporting a problem?” from your FAQ.
If a command line in bold below starts with a VM then this command was run
on the Virtual Machine or guest OS and if it starts with a HV then it was
run on the physical HyperVisor machine that is hosting the guest OS.
*VM# perf top*
Samples: 378K of event 'cpu-clock', Event count (approx.): 188377
14.10% [kernel] [k] xfs_inobt_get_rec
9.58% [kernel] [k] xfs_btree_increment
9.08% [kernel] [k] xfs_btree_get_rec
8.83% [kernel] [k] _xfs_buf_find
5.84% [kernel] [k] xfs_btree_get_block
3.91% [kernel] [k] xfs_btree_rec_offset
3.85% [kernel] [k] xfs_dialloc_ag
3.64% [kernel] [k] xfs_btree_readahead
3.15% [kernel] [k] _raw_spin_unlock_irqrestore
2.97% [kernel] [k] xfs_btree_rec_addr
2.31% [kernel] [k] xfs_trans_buf_item_match
1.67% [kernel] [k] xfs_btree_setbuf
*VM# time xfs_db -r -c "frag" /dev/vdc1 *
actual 80103457, ideal 79500897, fragmentation factor 0.75%
real 53m19.167s
user 0m35.050s
sys 3m35.390s
*VM# xfs_db -r -c "frag -d" /dev/vdc1*
actual 8947229, ideal 8406330, fragmentation factor 6.05%
*VM# df -i /dev/vdc1*
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vdc1 6,442,426,368 152,347,297 6,290,079,071 3% /exports
*VM# for i in `seq 0 $((16-1))`; do echo "freespace in ag$i"; xfs_db -r -c
"freesp -s -a $i" /dev/vdc1 | grep "total free" | sed 's/^/ /g'; done*
freespace in ag0
total free extents 611688
total free blocks 45590165
freespace in ag1
total free extents 606085
total free blocks 45576240
freespace in ag2
total free extents 606482
total free blocks 45571903
freespace in ag3
total free extents 604576
total free blocks 45572111
freespace in ag4
total free extents 74367
total free blocks 15129234
freespace in ag5
total free extents 172955
total free blocks 17015698
freespace in ag6
total free extents 176759
total free blocks 14716774
freespace in ag7
total free extents 170481
total free blocks 15031152
freespace in ag8
total free extents 173346
total free blocks 15677354
freespace in ag9
total free extents 177170
total free blocks 14914037
freespace in ag10
total free extents 169536
total free blocks 16267638
freespace in ag11
total free extents 173325
total free blocks 14618827
freespace in ag12
total free extents 174743
total free blocks 14634872
freespace in ag13
total free extents 173378
total free blocks 16412626
freespace in ag14
total free extents 171388
total free blocks 15198251
freespace in ag15
total free extents 170986
total free blocks 13790690
*“What information should I include when reporting a problem?”*
*VM# uname -a *
Linux 3.8.13-55.1.2.el6uek.x86_64 #2 SMP Thu Dec 18 00:15:51 PST 2014
x86_64 x86_64 x86_64 GNU/Linux
*HV# uname -a*
Linux 2.6.32-431.el6.x86_64 #1 SMP Wed Nov 20 23:56:07 PST 2013 x86_64
x86_64 x86_64 GNU/Linux
*VM# xfs_repair -V *
xfs_repair version 3.1.11
*VM# dmidecode |grep -A3 Product*
Product Name: KVM
Version: RHEL 6.5.0 PC
*HV# dmidecode |egrep -A4 "Product|Processor"*
Product Name: SUN SERVER X4-2L
Processor Information
Socket Designation: P0
Family: Xeon
Signature: Type 0, Family 6, Model 62, Stepping 4
Processor Information
Socket Designation: P1
Family: Xeon
Signature: Type 0, Family 6, Model 62, Stepping 4
*VM# cat /proc/cpuinfo (Total of 16 virtual cpu’s all with the same
settings as cpu 0 below.)*
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
microcode : 0x1
cpu MHz : 2693.508
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pse36 clflush mmx fxsr sse sse2 syscall nx lm nopl pni cx16 hypervisor
lahf_lm
bogomips : 5387.01
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
*VM# cat /proc/meminfo *
MemTotal: 49463428 kB
MemFree: 931832 kB
Buffers: 81504 kB
Cached: 16499856 kB
SwapCached: 0 kB
Active: 21534272 kB
Inactive: 10518940 kB
Active(anon): 13615056 kB
Inactive(anon): 1859060 kB
Active(file): 7919216 kB
Inactive(file): 8659880 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 2096124 kB
SwapFree: 2096124 kB
Dirty: 117192 kB
Writeback: 0 kB
AnonPages: 15468324 kB
Mapped: 39484 kB
Shmem: 3888 kB
Slab: 7883016 kB
SReclaimable: 6149288 kB
SUnreclaim: 1733728 kB
KernelStack: 11000 kB
PageTables: 180756 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 26827836 kB
Committed_AS: 21133332 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 112668 kB
VmallocChunk: 34359623568 kB
HardwareCorrupted: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 10224 kB
DirectMap2M: 50321408 kB
*VM# cat /proc/mounts *
rootfs / rootfs rw 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
devtmpfs /dev devtmpfs
rw,relatime,size=24719668k,nr_inodes=6179917,mode=755 0 0
devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /dev/shm tmpfs rw,relatime 0 0
/dev/vda3 / ext3
rw,relatime,errors=continue,user_xattr,acl,barrier=1,data=ordered 0 0
proc /rhel3/proc proc rw,relatime 0 0
/dev/vda5 /tmp ext3
rw,relatime,errors=continue,user_xattr,acl,barrier=1,data=ordered 0 0
/dev/vda1 /boot ext3
rw,relatime,errors=continue,user_xattr,acl,barrier=1,data=ordered 0 0
*/dev/vdc1 /exports xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0*
/dev/vdb1 /mnt xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
/dev/vdc1 /www xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
/dev/vdc1 /rhel3/www xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
/dev/vdc1 /chroot xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
/dev/vdc1 /home xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
/dev/vdc1 /nfscommon xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
/dev/vdc1 /opt xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
/dev/vdc1 /scratch xfs
rw,noatime,attr2,inode32,nobarrier,logbsize=256k,sunit=512,swidth=11264,noquota
0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0
nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
10.140.110.106:/export/nfs/qa /nfs/qa nfs
rw,noatime,nodiratime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,nocto,noacl,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.140.110.106,mountvers=3,mountport=36653,mountproto=udp,local_lock=none,addr=10.140.110.106
0 0
10.140.110.106:/export/nfs/install /nfs/install nfs
rw,noatime,nodiratime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,nocto,noacl,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.140.110.106,mountvers=3,mountport=36653,mountproto=udp,local_lock=none,addr=10.140.110.106
0 0
10.140.110.105:/export/home /nfs/users nfs
rw,noatime,nodiratime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,nocto,noacl,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.140.110.105,mountvers=3,mountport=37692,mountproto=udp,local_lock=none,addr=10.140.110.105
0 0
10.140.110.105:/export/nfs/project /nfs/project nfs
rw,noatime,nodiratime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,nocto,noacl,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.140.110.105,mountvers=3,mountport=37692,mountproto=udp,local_lock=none,addr=10.140.110.105
0 0
10.140.110.105:/export/nfs/data /nfs/data nfs
rw,noatime,nodiratime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,nocto,noacl,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.140.110.105,mountvers=3,mountport=37692,mountproto=udp,local_lock=none,addr=10.140.110.105
0 0
none /sys/kernel/debug debugfs rw,relatime 0 0
*VM# cat /proc/partitions *
major minor #blocks name
251 0 104857600 vda
251 1 204800 vda1
251 2 2096128 vda2
251 3 16595968 vda3
251 4 1 vda4
251 5 85958656 vda5
251 16 6442450944 vdb
251 17 6442434560 vdb1
251 32 6442450944 vdc
251 33 6442426368 vdc1
*VM# xfs_info /dev/vdc1*
meta-data=/dev/vdc1 isize=256 agcount=32, agsize=50331456
blks
= sectsz=512 attr=2, projid32bit=1
= crc=0
data = bsize=4096 blocks=1610606592, imaxpct=25
= sunit=64 swidth=1408 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal bsize=4096 blocks=521728, version=2
= sectsz=512 sunit=64 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
*VM# iostat -x -d -m 5*
Linux 3.8.13-55.1.2.el6uek.x86_64 (hmswebdv01.int.dv.lan)
08/13/2015 _x86_64_
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.13 23.96 4.69 9.77 0.08 0.13
29.83 0.17 11.64 2.64 3.81
vda1 0.00 0.01 0.00 0.00 0.00 0.00
86.76 0.00 7.73 4.22 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
14.68 0.00 2.08 1.81 0.00
vda3 0.13 19.58 4.65 8.29 0.08 0.11
29.68 0.15 11.36 2.79 3.60
vda4 0.00 0.00 0.00 0.00 0.00 0.00
7.67 0.00 29.50 29.50 0.00
vda5 0.01 4.37 0.04 1.44 0.00 0.02
32.06 0.02 14.22 2.41 0.35
vdb 0.00 0.00 36.47 0.13 0.28 0.04
17.96 0.11 3.09 2.87 10.50
vdb1 0.00 0.00 36.47 0.13 0.28 0.04
17.96 0.11 3.09 2.87 10.50
vdc 56.10 85.36 447.04 461.48 9.21 10.85
45.20 1.29 1.42 0.99 89.77
vdc1 56.10 85.36 447.04 461.48 9.21 10.85
45.20 1.28 1.42 0.99 89.77
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 13.20 1.40 3.00 0.01 0.06
33.45 0.01 2.91 2.32 1.02
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 10.00 1.40 2.60 0.01 0.05
29.60 0.01 3.20 2.55 1.02
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 3.20 0.00 0.40 0.00 0.01
72.00 0.00 0.00 0.00 0.00
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 0.00 0.00 1222.80 60.60 45.01 5.81
81.10 7.49 5.79 0.78 100.00
vdc1 0.00 0.00 1222.80 60.60 45.01 5.81
81.10 7.49 5.79 0.78 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 10.20 1.20 17.60 0.04 0.11
16.51 0.06 2.96 0.66 1.24
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 9.40 1.20 13.20 0.04 0.09
18.78 0.05 3.57 0.86 1.24
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 0.80 0.00 4.20 0.00 0.02
9.52 0.00 1.00 0.05 0.02
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 0.00 0.40 928.00 432.40 23.05 13.05
54.35 9.65 7.14 0.74 100.00
vdc1 0.00 0.40 928.00 432.40 23.05 13.05
54.35 9.65 7.14 0.74 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 7.60 0.00 2.40 0.00 0.04
32.00 0.10 41.67 16.33 3.92
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 7.60 0.00 2.00 0.00 0.04
38.40 0.09 46.60 16.20 3.24
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
vdc 0.00 293.20 352.20 1753.00 8.38 43.34
50.32 71.98 33.91 0.48 100.00
vdc1 0.00 293.20 352.20 1753.00 8.38 43.34
50.32 71.98 33.91 0.48 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 15.00 1.20 6.40 0.04 0.08
32.00 0.42 55.29 23.24 17.66
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 14.40 1.20 5.80 0.04 0.08
33.60 0.39 55.77 20.97 14.68
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 0.60 0.00 0.40 0.00 0.00
20.00 0.02 60.50 60.50 2.42
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 0.20 676.20 20.40 3131.60 0.20 26.83
17.56 144.45 45.74 0.32 100.00
vdc1 0.20 676.20 20.40 3131.60 0.20 26.83
17.56 144.45 45.74 0.32 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 3.60 2.80 2.60 0.02 0.02
17.78 0.48 89.63 52.41 28.30
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 3.60 2.80 2.60 0.02 0.02
17.78 0.48 89.63 52.41 28.30
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 1.40 518.00 51.80 3012.00 0.62 25.65
17.56 149.01 48.58 0.33 100.00
vdc1 1.40 518.00 51.80 3012.00 0.62 25.65
17.56 149.01 48.58 0.33 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 2.60 0.00 2.20 0.00 0.02
16.73 0.05 22.73 19.91 4.38
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 2.60 0.00 2.00 0.00 0.02
18.40 0.02 9.60 6.50 1.30
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 3.40 62.00 65.40 1936.20 1.84 9.35
11.45 153.92 76.42 0.50 100.00
vdc1 3.40 62.00 65.40 1936.20 1.84 9.35
11.45 153.92 76.42 0.50 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 3.80 0.20 2.80 0.00 0.02
17.07 0.17 55.47 30.87 9.26
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 3.80 0.20 2.40 0.00 0.02
19.69 0.15 58.69 30.31 7.88
vda4 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
vda5 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 1.00 224.20 379.20 1752.60 5.32 14.94
19.46 100.70 47.71 0.47 100.00
vdc1 1.00 224.20 379.20 1752.60 5.32 14.94
19.46 100.70 47.71 0.47 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 15.00 3.20 7.00 0.04 0.09
25.25 0.04 4.29 2.49 2.54
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 15.00 3.20 6.80 0.04 0.09
25.76 0.04 4.38 2.54 2.54
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 0.40 45.00 390.60 1060.60 8.16 8.61
23.66 80.59 56.24 0.68 99.20
vdc1 0.40 45.00 390.60 1060.60 8.16 8.61
23.66 80.59 56.24 0.68 99.20
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 91.40 3.00 48.20 0.03 0.55
23.00 0.11 2.20 0.33 1.70
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 66.00 3.00 38.40 0.03 0.41
21.64 0.10 2.34 0.41 1.68
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 25.40 0.00 9.80 0.00 0.14
28.73 0.02 1.61 0.08 0.08
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 0.00 0.20 863.60 191.60 30.72 13.77
86.35 6.17 5.85 0.95 99.86
vdc1 0.00 0.20 863.60 191.60 30.72 13.77
86.35 6.17 5.85 0.95 99.86
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 32.20 0.00 13.80 0.00 0.18
26.55 1.20 86.84 6.93 9.56
vda1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 32.20 0.00 13.60 0.00 0.18
26.94 1.20 88.10 7.01 9.54
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 0.00 0.60 791.00 359.00 16.53 36.44
94.34 25.17 21.87 0.87 100.00
vdc1 0.00 0.60 791.00 359.00 16.53 36.44
94.34 25.17 21.87 0.87 100.00
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz
avgqu-sz await svctm %util
vda 0.00 16.80 0.80 23.00 0.00 0.15
13.58 0.03 1.08 0.24 0.58
vda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
vda2 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda3 0.00 11.00 0.80 17.20 0.00 0.11
12.98 0.02 1.26 0.31 0.56
vda4 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vda5 0.00 5.80 0.00 5.40 0.00 0.04
16.59 0.00 0.59 0.07 0.04
vdb 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdb1 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
vdc 0.00 0.00 1143.40 12.40 40.78 3.05
77.67 6.23 5.39 0.87 100.02
vdc1 0.00 0.00 1143.40 12.40 40.78 3.05
77.67 6.23 5.39 0.87 100.02
*VM# vmstat 5 12 *
procs -----------memory---------- ---swap-- -----io---- --system--
-----cpu-----
r b swpd free buff cache si so bi bo in cs us sy id
wa st
6 3 0 1022148 77808 16266636 0 0 618 712 0 0 4 10
80 6 0
4 1 0 1086272 77384 16232348 0 0 24294 39514 19557 15659 2 24
54 20 0
0 4 0 1079320 77324 16239100 0 0 4667 25202 8772 11317 1 5
74 20 0
3 3 0 1094136 77308 16234064 0 0 1102 27323 8101 12963 3 4
79 14 0
5 10 0 1178908 77296 16156332 0 0 1370 18625 9776 11009 1 8
64 27 0
4 5 0 1387024 77020 15991676 0 0 10094 3260 19037 14185 1 23
61 14 0
4 3 0 1300224 77028 15920712 0 0 3219 20062 17265 14902 7 18
63 12 0
1 11 0 1522772 77064 15796712 0 0 1095 23720 13740 15666 7 11
50 32 0
6 1 0 1557288 77172 15810492 0 0 4626 31199 16900 14040 6 18
53 23 0
5 2 0 1529284 77204 15850112 0 0 9396 6547 17183 13949 2 21
57 20 0
3 1 0 1480028 77212 15881516 0 0 10033 3002 20339 14766 1 26
64 9 0
6 2 0 1447844 77228 15915300 0 0 10855 4226 19170 14180 3 23
65 9 0
*HV# /opt/MegaRAID/MegaCli/MegaCli64 -LdPdInfo -a0 *
Adapter #0
Number of Virtual Disks: 2
Virtual Drive: 0 (Target Id: 0)
Name :
RAID Level : Primary-6, Secondary-0, RAID Level Qualifier-3
Size : 45.998 GB
Parity Size : 4.181 GB
State : Optimal
Strip Size : 256 KB
Number Of Drives : 24
Span Depth : 1
Default Cache Policy: WriteBack, ReadAhead, Direct, No Write Cache if Bad
BBU
Current Cache Policy: WriteBack, ReadAhead, Direct, No Write Cache if Bad
BBU
Default Access Policy: Read/Write
Current Access Policy: Read/Write
Disk Cache Policy : Disabled
Encryption Type : None
Is VD Cached: No
Number of Spans: 1
Span: 0 - Number of PDs: 24
PD: 0 Information
Enclosure Device ID: 34
Slot Number: 0
Drive's postion: DiskGroup: 0, Span: 0, Arm: 0
Enclosure position: 0
Device Id: 35
WWN: 5000CCA01D350CC3
Sequence Number: 2
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
PD Type: SAS
Raw Size: 1.090 TB [0x8bba0cb0 Sectors]
Non Coerced Size: 1.090 TB [0x8baa0cb0 Sectors]
Coerced Size: 1.089 TB [0x8b94f800 Sectors]
Firmware state: Online, Spun Up
Is Commissioned Spare : NO
Device Firmware Level: A600
Shield Counter: 0
Successful diagnostics completion on : N/A
SAS Address(0): 0x5000cca01d350cc1
SAS Address(1): 0x0
Connected Port Number: 0(path0)
Inquiry Data: HGST H101212SESUN1.2TA6001404DY5EPE
FDE Enable: Disable
Secured: Unsecured
Locked: Unlocked
Needs EKM Attention: No
Foreign State: None
Device Speed: 6.0Gb/s
Link Speed: 6.0Gb/s
Media Type: Hard Disk Device
Drive Temperature :26C (78.80 F)
PI Eligibility: No
Drive is formatted for PI information: No
PI: No PI
Drive's write cache : Disabled
Port-0 :
Port status: Active
Port's Linkspeed: 6.0Gb/s
Port-1 :
Port status: Active
Port's Linkspeed: Unknown
Drive has flagged a S.M.A.R.T alert : No
*KERNEL OPTIONS: Which of these kernels should I choose for the best XFS
support for this issue?*
kernel-3.16.7-3.16.y.20141114.ol6.x86_64.rpm 14-Nov-2014 17:55
27.7 M
kernel-3.17.3-3.17.y.20141114.ol6.x86_64.rpm 14-Nov-2014 23:55
26.6 M
kernel-3.17.3-3.17.y.20141118.ol6.x86_64.rpm 18-Nov-2014 09:13
26.6 M
kernel-3.17.8-3.17.y.20150113.ol6.x86_64.rpm 14-Jan-2015 06:50
27.9 M
kernel-3.18.6-3.18.y.20150210.ol6.x86_64.rpm 10-Feb-2015 09:52
30.9 M
kernel-3.18.7-3.18.y.20150217.ol6.x86_64.rpm 17-Feb-2015 09:53
30.9 M
kernel-3.18.8-3.18.y.20150303.ol6.x86_64.rpm 03-Mar-2015 09:55
30.9 M
kernel-3.19.5-3.19.y.20150421.ol6.x86_64.rpm 22-Apr-2015 05:42
31.1 M
kernel-3.19.6-3.19.y.20150505.ol6.x86_64.rpm 06-May-2015 05:41
29.8 M
kernel-3.19.8-3.19.y.20150512.ol6.x86_64.rpm 13-May-2015 05:42
29.8 M
Thank you for your time and comments.
Regards,
Pippin Wallace
Bozeman Montana
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