The root filesystem on an 5200/5220/5230 appliance is 100% full

Article:TECH217535  |  Created: 2014-05-15  |  Updated: 2014-07-18  |  Article URL
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Article Type
Technical Solution



The root (/) filesystem is filling up, or is 100% full.


The /tmp filesystem cleanup script only removes specific files, resulting in a full root filesystem after several days due to Callhome telemetry files filling the root filesystem

If attempting to access a maintenance shell via the CLISH (Support > Maintenance > elevate) commands, you may encounter the following error:
<!-- Maintenance Mode --!> Use of chdir('') or chdir(undef) as chdir() is deprecated at /opt/NBUAppliance/scripts/ line 129.


NetBackup 5200/5220/5230 appliances running or


Under &, Callhome telemetry archive files (/tmp/nbtelemetry*) can be quite large, and are not removed automatically.

Under certain conditions, this can result in a full root filesystem within 4 days of enabling the Callhome feature.

For example:
my-nbu5220:/tmp # ls -lat | grep nbtelemetry
drwx------ 3 root root 4096 Jan 9 05:43 nbtelemetry_201401090543Ffs
drwx------ 3 root root 4096 Jan 9 05:28 nbtelemetry_201401090528LcG
drwx------ 3 root root 4096 Jan 9 05:13 nbtelemetry_201401090513ZMV


Symantec Corporation has acknowledged the the above-mentioned issue (ETrack 3413740) is present in the current version(s) of the product(s) mentioned in this article. Symantec Corporation is committed to product quality and satisfied customers.  This issue was scheduled to be addressed in the following release(s):

  • NetBackup Appliances

When NetBackup Appliances is released, please visit this link for download and README information:

Please note that Symantec Corporation reserves the right to remove any fix from the targeted release if it does not pass quality assurance tests or introduces new risks to overall code stability. Symantec's plans are subject to change and any action taken by you based on the above information or your reliance upon the above information is made at your own risk.

Download and install appropriate the EEB (Emergency Engineering Binary) hotfix attached to this document for the Appliance version.

Instructions for installing this EEB can be found in the Related Article linked below.


SYMC_NBAPP_EEB_ET3413740- is a hotfix for NetBackup 5200/5220 Appliances
SYMC_NBAPP_EEB_ET3413740- (48 kBytes)
SYMC_NBAPP_EEB_ET3515245- is a hotfix for NetBackup 5200/5220 Appliances
SYMC_NBAPP_EEB_ET3515245- (40 kBytes)

Supplemental Materials


callhome script generates 40000 files in /tmp on vmware backup host appliance and then times out

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