Please consider moving this question as-is (no need to recreate) to the proper forum for maximum visibility. Questions written to the users' own "Discussions" space don't get the same amount of attention and questions can go unanswered for a long time.
You can do so by selecting "Move" under ACTIONS along the upper-right. Then search for and select: "VNX Support Forum" which would be the most relevant for this question.
To answer your question, your specific question is answered in the "Unisphere Host Software/CLI and Utilities for VNX OE for Block Release Notes"
For Linux (and each of the other supported Unix OS's), the agentID.txt file (case-sensitive) by default is only read from the root ('/') of the file system. If you prefer a different location, as described in the document, then you can set the env variable: EV_AGENTID_DIRECTORY. It also walks you through the required contents of the file.
What it doesn't mention though, once saved, you'll also want to restart the Unisphere Agent which on a Linux system can be accomplished as follows:
christopher_ime
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July 27th, 2013 23:00
Please consider moving this question as-is (no need to recreate) to the proper forum for maximum visibility. Questions written to the users' own "Discussions" space don't get the same amount of attention and questions can go unanswered for a long time.
You can do so by selecting "Move" under ACTIONS along the upper-right. Then search for and select: "VNX Support Forum" which would be the most relevant for this question.
To answer your question, your specific question is answered in the "Unisphere Host Software/CLI and Utilities for VNX OE for Block Release Notes"
https://support.emc.com/search/?resource=DOC_LIB&ThisExactPhrase=Unisphere%20Host%20Software%2FCLI%20and%20Utilities%20for%20VNX%20OE%20for%20Block%20Release%20Notes%20Version&SearchWithin=true&adv=y
For Linux (and each of the other supported Unix OS's), the agentID.txt file (case-sensitive) by default is only read from the root ('/') of the file system. If you prefer a different location, as described in the document, then you can set the env variable: EV_AGENTID_DIRECTORY. It also walks you through the required contents of the file.
What it doesn't mention though, once saved, you'll also want to restart the Unisphere Agent which on a Linux system can be accomplished as follows:
/etc/init.d/naviagent stop
/etc/init.d/naviagent start