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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Olaf, thanks. Yes the plan is to have SSD’s for the system pool ultimately but this is just a test system that I’m using to try and understand teiring better. The files (10 or so of them)
are each 200MB in size.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Mark<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black"><gpfsug-discuss-bounces@spectrumscale.org> on behalf of Olaf Weiser <olaf.weiser@de.ibm.com><br>
<b>Reply-To: </b>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Date: </b>Thursday, July 7, 2016 at 8:12 AM<br>
<b>To: </b>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Subject: </b>Re: [gpfsug-discuss] Migration policy confusion<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"sans-serif","serif"">HI ,
</span><br>
<span style="font-size:10.0pt;font-family:"sans-serif","serif"">first of all, given by the fact, that the MetaData is stored in system pool .. system should be the "fastest" pool / underlaying disks ... you have..
</span><br>
<span style="font-size:10.0pt;font-family:"sans-serif","serif"">with a "slow" access to the MD, access to data is very likely affected.. (except for cached data, where MD is cached)
</span><br>
<br>
<span style="font-size:10.0pt;font-family:"sans-serif","serif"">in addition.. tell us, how "big" your test files are ? .. you moved by mmapplypolicy
</span><br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"sans-serif","serif"">Mit freundlichen Grüßen / Kind regards</span><br>
<br>
<span style="font-size:10.0pt;font-family:"sans-serif","serif""> <br>
Olaf Weiser<br>
<br>
EMEA Storage Competence Center Mainz, German / IBM Systems, Storage Platform,<br>
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IBM Deutschland<br>
IBM Allee 1<br>
71139 Ehningen<br>
Phone: +49-170-579-44-66<br>
E-Mail: olaf.weiser@de.ibm.com<br>
-------------------------------------------------------------------------------------------------------------------------------------------<br>
IBM Deutschland GmbH / Vorsitzender des Aufsichtsrats: Martin Jetter<br>
Geschäftsführung: Martina Koederitz (Vorsitzende), Susanne Peter, Norbert Janzen, Dr. Christian Keller, Ivo Koerner, Markus Koerner</span><span style="font-size:10.0pt;font-family:MingLiU"><br>
</span><span style="font-size:10.0pt;font-family:"sans-serif","serif"">Sitz der Gesellschaft: Ehningen / Registergericht: Amtsgericht Stuttgart, HRB 14562 / WEEE-Reg.-Nr. DE 99369940
</span><br>
<br>
<br>
<br>
<span style="font-size:7.5pt;font-family:"sans-serif","serif";color:#5F5F5F">From: </span><span style="font-size:7.5pt;font-family:"sans-serif","serif"">"Mark.Bush@siriuscom.com" <Mark.Bush@siriuscom.com></span><br>
<span style="font-size:7.5pt;font-family:"sans-serif","serif";color:#5F5F5F">To: </span><span style="font-size:7.5pt;font-family:"sans-serif","serif"">gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></span><br>
<span style="font-size:7.5pt;font-family:"sans-serif","serif";color:#5F5F5F">Date: </span><span style="font-size:7.5pt;font-family:"sans-serif","serif"">07/07/2016 03:00 PM</span><br>
<span style="font-size:7.5pt;font-family:"sans-serif","serif";color:#5F5F5F">Subject: </span><span style="font-size:7.5pt;font-family:"sans-serif","serif"">[gpfsug-discuss] Migration policy confusion</span><br>
<span style="font-size:7.5pt;font-family:"sans-serif","serif";color:#5F5F5F">Sent by: </span><span style="font-size:7.5pt;font-family:"sans-serif","serif"">gpfsug-discuss-bounces@spectrumscale.org</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:Calibri">Hello all, I’m struggling trying to understand tiering and policies in general in SpecScale. I have a single filesystem with two pools defined (system, GOLD). The GOLD pool is made up of some faster disks
than the system pool. The policy I’m trying to get working is as follows</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri">RULE 'go_gold'</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> MIGRATE</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> FROM POOL 'system'</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> TO POOL 'GOLD'</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> WHERE (LOWER(NAME) LIKE '%.perf')</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri">I’m simply trying to get the data to move the NDS’s in GOLD pool.</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri">When I do an mmapplypolicy, mmlsattr shows that it’s now in the GOLD pool but when I do a mmdf the data shows 100% free still. I tried a mmrestripefs as well and no change to the mmdf output. Am I missing
something here? Is this just normal behavior and the blocks will get moved at some other time? I guess I was expecting instant gratification and that those files would have been moved to the correct NSD.</span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri"> </span><br>
<span style="font-size:10.0pt;font-family:Calibri;color:#002F80">Mark R. Bush</span><span style="font-size:10.0pt;font-family:Calibri">| Solutions Architect<br>
Mobile: 210.237.8415 | mark.bush@siriuscom.com<br>
Sirius Computer Solutions | </span><a href="http://www.siriuscom.com/"><span style="font-size:10.0pt;font-family:Calibri">www.siriuscom.com</span></a><span style="font-size:10.0pt;font-family:Calibri"><br>
10100 Reunion Place, Suite 500, San Antonio, TX 78216 </span><br>
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