Sun Storage 7000 Unified Storage System: Performance issues

Asset ID:	1-75-1213705.1
Update Date:	2012-05-29
Keywords:

Solution Type Troubleshooting Sure

Solution 1213705.1 : Sun Storage 7000 Unified Storage System: Performance issues - Framing the problem

Applies to:

Sun Storage 7110 Unified Storage System - Version Not Applicable and later
Sun Storage 7210 Unified Storage System - Version Not Applicable and later
Sun ZFS Storage 7420 - Version Not Applicable and later
Sun ZFS Storage 7320 - Version Not Applicable and later
Sun Storage 7310 Unified Storage System - Version Not Applicable and later
7000 Appliance OS (Fishworks)
NAS head revision : [not dependent]
BIOS revision : [not dependent]
ILOM revision : [not dependent]
JBODs Model : [not dependent]
CLUSTER related : [not dependent]

Purpose

To guide the user in collecting the relevant data/information to provide a problem 'context' to assist in troubleshooting Series 7000 performance issues.

To discuss this information further with Oracle experts and industry peers, we encourage you to review, join or start a discussion in the My Oracle Support Community - 7000 Series ZFS Appliances

Troubleshooting Steps

In order to produce a quick and comprehensive resolution for any Series 7000 performance issue, it is helpful to provide a clear and concise problem statement (when engaging Oracle support services) - detailing what the specific issue is and the 'context' in which the problem is seen.

The questions below will guide the reader in collecting the relevant information to 'frame' the problem.

Please provide as much detail as possible when responding to these questions:

System Configuration

This can be retrieved thanks to a supportfile bundle but it's worth confirming.

What is your server type [7110|7210|7310|7410|7120|7320|7420] ?
Is this a cluster ?
What appliance firmware release are you running ?
What is the total number of connected JBODS ?
Do you have a single or multiple JBOD 'chains' ?
Are the JBODs fully populated ?
How many read SSDs (readzillas) are configured on the server ?
How many write SSDs (logzillas) are configured in the JBODs ?
What is the RAID configuration of the pool(s) ?
What is the ZFS record size ('Database record size' on the share creation screen in the BUI) ?
Please provide details of any appliance functionality in use

replication ?
snapshot schedule ?
dedup ?
compression ?

Details of the workload

What protocols are being used (NFS/CIFS/iSCSI/FC/Infiniband) ?
Is it a predominantly READ workload ?
Is it a predominantly WRITE workload ?
Is it a mixed READ/WRITE workload ? (approximate mix ?)
Is it a RANDOM access workload ?
Is it a SEQUENTIAL access workload ?
Is it a mixed 'access type' workload ? (approximate mix ?)
Please provide details of the connected client systems:

number of clients
client configuration (including operating system version)
Virtual machines : Vmware, VDI, ...
If Virtual machines, which OS : Windows, Linux, Solaris ...

Outline of the issue

What performance issue are you seeing ?
What performance are you expecting to see ?
How does the performance issue manifest itself ?

low network throughput/high network latency
low disk activity
high disk latency
high CPU load
high iSCSI|NFS|CIFS|FC|ftp Latency
etc ...

Where are you seeing the issue ?

ONE client or ALL clients ?
Still able to access/manage the system via BUI ?
Still able to access/manage the system via SSH/CLI ?

When was the issue seen ?

Certain times of the day ?
Continuous or periodic/intermittent, for how long ?
After changes to hardware/configuration ?

After firmware upgraded ?
After functionality enabled (snapshots, dedup etc.) ?

Back to <Document 1331769.1> Sun Storage 7000 Unified Storage System: How to Troubleshoot Performance Issues.

References

<NOTE:1331769.1> - Sun Storage 7000 Unified Storage System: How to Troubleshoot Performance Issues

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