[Faccus] Resolved: MATLAB license server reliability issue

William Lewis rwlewis at uwaterloo.ca
Thu Oct 23 16:15:21 EDT 2014


The MATLAB research license server has now been running for 24 hours with no further crashes. The recent reliability issue appears to be resolved.

Will

--
R. William Lewis
Computing Consultant
Client Services - Information System & Technology
University of Waterloo

519-888-4567 x36422

From: William Lewis
Sent: Thursday, October 23, 2014 10:16 AM
To: ist-webstore at lists.uwaterloo.ca
Cc: isthd-bounces at lists.uwaterloo.ca; faccus at lists.uwaterloo.ca
Subject: Update: MATLAB license server reliability issue

We believe that the recent MATLAB license manager instability is being caused by a bug in the R2014b version of the license manager provided by the Mathworks. Wednesday afternoon we implemented an alternate version of the license manager (32-bit instead of 64-bit) with some configuration changes recommended by the vendor's technical support. The MATLAB license manager has been stable overnight, and we will be monitoring today as load increases. If we go 24 hours without another crash, then we'll consider this issue resolved.

If there are further crashes we will send another update and re-engage Mathworks support to try to find another workaround.

Will

From: William Lewis <rwlewis at uwaterloo.ca<mailto:rwlewis at uwaterloo.ca>>
Date: Tuesday, October 21, 2014 at 1:38 PM
To: "ist-webstore at lists.uwaterloo.ca<mailto:ist-webstore at lists.uwaterloo.ca>" <ist-webstore at lists.uwaterloo.ca<mailto:ist-webstore at lists.uwaterloo.ca>>
Cc: "isthd-bounces at lists.uwaterloo.ca<mailto:isthd-bounces at lists.uwaterloo.ca>" <isthd-bounces at lists.uwaterloo.ca<mailto:isthd-bounces at lists.uwaterloo.ca>>, "faccus at lists.uwaterloo.ca<mailto:faccus at lists.uwaterloo.ca>" <faccus at lists.uwaterloo.ca<mailto:faccus at lists.uwaterloo.ca>>
Subject: MATLAB license server reliability issue

To all MATLAB users:

The Matlab research license server had to be upgraded recently to accommodate the latest release R2014B. Unfortunately the license service has become unstable, restarting frequently and sometimes not coming back up at all. A case has been opened with the Mathworks. We suspect that this behaviour may have resulted from a bug introduced in the new license server software. Rolling back to the previous version would disable newly installed instances of version R2014B. We are trying to resolve this issue with as little disruption to users as possible. We apologize for the inconvenience and ask for your patience.

If you get an error, please wait 5 to 10 minutes and then try again. To report issues please send email to request at uwaterloo.ca<mailto:request at uwaterloo.ca>. It is helpful to include your user id, the date and time, the error message and number, and when it was last working.

Will
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