Lab nfs speeds

Recovered from the older tannerjc.net wiki snapshot dated January 23, 2016.

• Netapp and Linux** [http://media.netapp.com/documents/tr3483.pdf]

• Netapp thin provisioning** [http://media.netapp.com/documents/tr-3183.pdf]

• nfs performance tuning** [http://nfs.sourceforge.net/nfs-howto/ar01s05.html]

• http://www.techrepublic.com/blog/opensource/tuning-nfs-for-better-performance/64

Testing speed

time dd if=/dev/zero of=bigfile bs=1024 count=10000000

Mounting NFS

Linux:

mount 192.168.1.3:/exports /mnt/nfs

Solaris:

mount -F nfs -o vers=3 192.168.1.3:/exports /mnt/nfs

LINUX: 10GB file created over NFS w/ sync option from RHEL 4u7 to Fedora 8 Host

[root@dhcp243-189 mnt]#  mount 10.11.243.16:/exports nfs
[root@dhcp243-189 nfs]# df -h ./
Filesystem            Size  Used Avail Use% Mounted on
10.11.243.16:/exports
                       76G   16G   57G  22% /mnt/nfs

[root@dhcp243-189 nfs]# time dd if=/dev/zero of=bigfile bs=1024 count=10000000
10000000+0 records in
10000000+0 records out

real    15m57.921s
user    0m4.451s
sys     0m20.739s

LINUX: 10GB file created over NFS w/ async option from RHEL 4u7 to Fedora 8 Host

[root@dhcp243-189 mnt]# mount -o async 10.11.243.16:/exports nfs
[root@dhcp243-189 mnt]# cd nfs
[root@dhcp243-189 nfs]# df -h ./
Filesystem            Size  Used Avail Use% Mounted on
10.11.243.16:/exports
                       76G   16G   57G  22% /mnt/nfs

[root@dhcp243-189 nfs]# time dd if=/dev/zero of=bigfile bs=1024 count=10000000
10000000+0 records in
10000000+0 records out

real    15m43.311s
user    0m4.562s
sys     0m19.825s

LINUX: 10GB file created on local filesystem - Fedora 8

[root@localhost exports]# pwd
/exports
[root@localhost exports]# df -h ./
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-lv.root
                       76G   26G   47G  36% /
[root@localhost exports]# ls
bigfile
[root@localhost exports]# rm bigfile
rm: remove regular file `bigfile'? y
[root@localhost exports]# time dd if=/dev/zero of=bigfile bs=1024 count=10000000
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 205.778 s, 49.8 MB/s

real    3m26.395s
user    0m5.203s
sys     0m58.910s
[root@localhost exports]#

SOLARIS: 10GB file created over NFS (no options) from Solaris 10 to Ubuntu 8.04

-bash-3.2# mount -F nfs -o vers=3  192.168.1.3:/exports /mnt/nfs
-bash-3.2# cd nfs
-bash-3.2# df -h ./
Filesystem             size   used  avail capacity  Mounted on
192.168.1.3:/exports   142G    27G   108G    20%    /mnt/nfs
-bash-3.2# time dd if=/dev/zero of=bigfile bs=1024 count=10000000
10000000+0 records in
10000000+0 records out

real    8m57.486s
user    0m23.795s
sys     1m52.813s
-bash-3.2# uname -a
SunOS opensolaris 5.11 snv_86 i86pc i386 i86pc

LINUX: 10GB file created on local filesystem - Ubuntu 8.04

mootxk@graybox:/exports$ time dd if=/dev/zero of=bigfile bs=1024 count=10000000
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 244.274 s, 41.9 MB/s

real    4m4.489s
user    0m2.972s
sys     1m17.325s
mootxk@graybox:/exports$ uname -a
Linux graybox 2.6.24-21-generic #1 SMP Mon Aug 25 17:32:09 UTC 2008 i686 GNU/Linux

LINUX 10GB file created over NFS w/ sync option from RHEL 5u2 to Ubuntu 8.04 Host

[root@localhost mnt]# mount  192.168.1.3:/exports /mnt/nfs
[root@localhost mnt]# cd nfs
[root@localhost nfs]# time dd if=/dev/zero of=bigfile bs=1024 count=10000000
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 284.549 seconds, 36.0 MB/s

real	4m44.655s
user	0m7.502s
sys	0m54.633s
[root@localhost nfs]# df -h ./
Filesystem            Size  Used Avail Use% Mounted on
192.168.1.3:/exports  143G   37G   99G  27% /mnt/nfs
[root@localhost nfs]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.2 (Tikanga)

LINUX 10GB file created over NFS from RHEL 4u8 to Fedora 11 Host

[root@rhel4box mnt]# time dd if=/dev/zero of=/mnt/fedora/bigfile bs=1024 count=10000000
10000000+0 records in
10000000+0 records out

real	10m46.831s
user	0m19.281s
sys	1m21.928s

LINUX 10GB file created over NFS from RHEL 5u4 to Fedora 11 Host

[root@rhel5box mnt]# time dd if=/dev/zero of=/mnt/fedora/bigfile2 bs=1024 count=10000000
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 587.972 seconds, 17.4 MB/s

real	9m48.091s
user	0m18.392s
sys	2m56.262s