<html><body><p><font size="2">My Admin guide says:</font><br><br>The loss percentage and period are set via the configuration<br>variables <b>fileHeatLossPercent </b>and <b>fileHeatPeriodMinutes</b>. By default, the file access temperature is not<br>tracked. To use access temperature in policy, the tracking must first be enabled. To do this, set the two<br>configuration variables as follows:<b><br>fileHeatLossPercent</b><br>The percentage (between 0 and 100) of file access temperature dissipated over the<b><br>fileHeatPeriodMinutes </b>time. The default value is 10.<font size="1"><br>Chapter 25. Information lifecycle management for IBM Spectrum Scale </font><b>361</b><b><br>fileHeatPeriodMinutes</b><br>The number of minutes defined for the recalculation of file access temperature. To turn on<br>tracking, <b>fileHeatPeriodMinutes </b>must be set to a nonzero value. The default value is 0 <font size="2"><br></font><br><br><font size="2">SO Try setting both!</font><br><font size="2"><br>ALSO to take effect you may have to mmshutdown and mmstartup, at least on the (client gpfs) nodes that are accessing the files of interest.</font><br><br><img width="16" height="16" src="cid:1__=0ABB0EC7DFD91C2D8f9e8a93df938690918c0AB@" border="0" alt="Inactive hide details for Ulrich Sibiller ---08/12/2019 06:50:13 AM---Hello, I am having difficulties with Spectrum Scale's fil"><font size="2" color="#424282">Ulrich Sibiller ---08/12/2019 06:50:13 AM---Hello, I am having difficulties with Spectrum Scale's fileheat feature on Spectrum Scale 5.0.2/5.0.3</font><br><br><font size="2" color="#5F5F5F">From: </font><font size="2">Ulrich Sibiller <u.sibiller@science-computing.de></font><br><font size="2" color="#5F5F5F">To: </font><font size="2">gpfsug-discuss@gpfsug.org</font><br><font size="2" color="#5F5F5F">Date: </font><font size="2">08/12/2019 06:50 AM</font><br><font size="2" color="#5F5F5F">Subject: </font><font size="2">[EXTERNAL] [gpfsug-discuss] Fileheat</font><br><font size="2" color="#5F5F5F">Sent by: </font><font size="2">gpfsug-discuss-bounces@spectrumscale.org</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><tt><font size="2">Hello,<br><br>I am having difficulties with Spectrum Scale's fileheat feature on Spectrum Scale 5.0.2/5.0.3:<br><br>The config has it activated:<br><br># mmlsconfig | grep fileHeat<br>fileHeatPeriodMinutes 720<br><br>Now everytime I look at the files using mmapplypolicy I only see 0 for the fileheat. I have both <br>tried reading files via nfs and locally. No difference, the fileheat always stays at zero.<br><br>What could be wrong here? How to debug?<br><br>We are exporting the filesystem using kernel NFS which is working fine. However, the documentation <br>states that root access is not taken into account for fileheat, so I am wondering if that setup is <br>supposed to work at all?<br><br>Thx,<br><br>Uli<br><br>-- <br>Science + Computing AG<br>Vorstandsvorsitzender/Chairman of the board of management:<br>Dr. Martin Matzke<br>Vorstand/Board of Management:<br>Matthias Schempp, Sabine Hohenstein<br>Vorsitzender des Aufsichtsrats/<br>Chairman of the Supervisory Board:<br>Philippe Miltin<br>Aufsichtsrat/Supervisory Board:<br>Martin Wibbe, Ursula Morgenstern<br>Sitz/Registered Office: Tuebingen<br>Registergericht/Registration Court: Stuttgart<br>Registernummer/Commercial Register No.: HRB 382196<br>_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br></font></tt><tt><font size="2"><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></font></tt><tt><font size="2"> <br><br></font></tt><br><br><BR>
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