Oracle ZFS Storage Appliance: Four second delay seen for automount directories

Asset ID:	1-72-1989085.1
Update Date:	2016-01-13
Keywords:

Solution Type Problem Resolution Sure

Solution 1989085.1 : Oracle ZFS Storage Appliance: Four second delay seen for automount directories

Related Items


Sun ZFS Storage 7420
 Oracle ZFS Storage ZS3-2
 Oracle ZFS Storage ZS4-4
 Sun ZFS Storage 7120
 Oracle ZFS Storage ZS3-4
 Sun ZFS Storage 7320
 Oracle ZFS Storage Appliance Racked System ZS4-4
 Oracle ZFS Storage ZS3-BA

Related Categories


PLA-Support>Sun Systems>DISK>ZFS Storage>SN-DK: 7xxx NAS

In this Document

Symptoms

Cause

Solution

References

Created from <SR 3-10085083361>

Applies to:

Sun ZFS Storage 7420 - Version All Versions and later
Sun ZFS Storage 7320 - Version All Versions and later
Sun ZFS Storage 7120 - Version All Versions and later
Oracle ZFS Storage ZS3-2 - Version All Versions and later
Oracle ZFS Storage ZS3-BA - Version All Versions and later
7000 Appliance OS (Fishworks)

Symptoms

When automounter from a client mounts a filesystem delays of 4 seconds or greater are seen.

Cause

The client automount configuration had 3 paths to the array defined.

In the customers network configuration not all paths defined from client to array were consistently available.

Automount checks all paths and any that are not responding will have a 4 second timeout.

Solution

The customers network configuration was checked and corrected such that access from the client to the array was available on all paths.

References

<NOTE:1175804.1> - NFS and NIS Interaction with Network Firewalls
<NOTE:1433313.1> - Why is my nfs mount not showing rsize and wsize to despite setting 1MB mount options?
<NOTE:1004583.1> - Increasing ncsize solves nfs performance problem on Solaris

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