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For a quick way to investigate the performance of an Isilon cluster when InsightIQ is not available, there is a wealth of statistics that are available through the Isilon CLI, which can be accessed using SSH to any Isilon node.
This first command shows the highest level of statistics. Note that units are in bytes/sec so in the example below Node 1 is sending (NetOut) 2.9 GBytes/sec to clients.
isilon-1# isi statistics system --nodes all --format top
Node CPU SMB FTP HTTP NFS HDFS Total NetIn NetOut DiskIn DiskOut
All 72.7% 0.0 0.0 0.0 10.0G 0.0 10.0G 304.4M 10.4G 315.4M 10.8G
1 79.2% 0.0 0.0 0.0 2.9G 0.0 2.9G 295.0M 2.9G 70.5M 2.3G
2 80.6% 0.0 0.0 0.0 2.7G 0.0 2.7G 3.2M 2.7G 95.5M 2.8G
3 71.9% 0.0 0.0 0.0 2.4G 0.0 2.4G 3.4M 2.6G 75.5M 2.8G
4 59.2% 0.0 0.0 0.0 2.0G 0.0 2.0G 2.9M 2.1G 73.9M 2.9G
The following commands shows more details related to NFS. All statistics are aggregated over all nodes.
isilon-1 # isi statistics pstat --format top
__________________________NFS3 Operations Per Second___________________________
access 2.33/s commit 0.00/s create 0.75/s
fsinfo 0.00/s getattr 2.09/s link 0.00/s
lookup 0.99/s mkdir 0.00/s mknod 0.00/s
noop 0.00/s null 0.00/s pathconf 0.00/s
read 18865.24/s readdir 0.00/s readdirplus 0.00/s
readlink 0.00/s remove 0.00/s rename 0.75/s
rmdir 0.00/s setattr 0.00/s statfs 0.00/s
symlink 0.00/s write 0.75/s
Total 18872.91/s
___CPU Utilization___ _____OneFS Stats_____
user 1.4% In 73.81 kB/s
system 72.5% Out 8.96 GB/s
idle 26.1% Total 8.96 GB/s
____Network Input____ ___Network Output____ ______Disk I/O_______
MB/s 12.64 MB/s 9868.11 Disk 272334.03 iops
Pkt/s 150368.20 Pkt/s 6787182.27 Read 11.73 GB/s
Errors/s 0.00 Errors/s 0.00 Write 99.63 MB/s