What is the file /tmp/qlsdm.dat and how critical is it on RHEL 6

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Linux (RHEL) 6
  • qlogic

Issue

  • What is the file /tmp/qlsdm.dat and how critical is it?
  • Can it be deleted to clean /tmp space?

Resolution

  • Typically files in /tmp are not critical to the operating system and can safely be removed.

Root Cause

  • It has been observed that this file is used during the install of some libraries by QLogic for their HBA (qla2xxx).

Diagnostic Steps

  • This file can be quite large.
  • The lsof command does not often show the file as open.
  • It appears to be related to the QLogic Corporation's product SAN/Device Mgt. & HBA Common Library for linux.

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