<html><body><p>Daniel,<br><br>as you know, we can't discuss future / confidential items on a mailing list. <br>what i presented as an outlook to future releases hasn't changed from a technical standpoint, we just can't share a release date until we announce it official.<br>there are multiple ways today to limit the impact on restripe and other tasks, the best way to do this is to run the task ( using -N) on a node (or very small number of nodes) that has no performance critical role. while this is not perfect, it should limit the impact significantly. .<br><br>sven<br><br>------------------------------------------<br>Sven Oehme <br>Scalable Storage Research <br>email: oehmes@us.ibm.com <br>Phone: +1 (408) 824-8904 <br>IBM Almaden Research Lab <br>------------------------------------------<br><br><img width="16" height="16" src="cid:1__=07BBF4E6DFDDF49C8f9e8a93df938690918c07B@" border="0" alt="Inactive hide details for Daniel Vogel ---07/01/2015 03:29:11 AM---Hi Years ago, IBM made some plan to do a implementation "QoS"><font color="#424282">Daniel Vogel ---07/01/2015 03:29:11 AM---Hi Years ago, IBM made some plan to do a implementation "QoS for mmrestripefs, mmdeldisk...". If a "</font><br><br><font size="2" color="#5F5F5F">From: </font><font size="2">Daniel Vogel <Daniel.Vogel@abcsystems.ch></font><br><font size="2" color="#5F5F5F">To: </font><font size="2">"'gpfsug-discuss@gpfsug.org'" <gpfsug-discuss@gpfsug.org></font><br><font size="2" color="#5F5F5F">Date: </font><font size="2">07/01/2015 03:29 AM</font><br><font size="2" color="#5F5F5F">Subject: </font><font size="2">[gpfsug-discuss] GPFS 4.1.1 without QoS for mmrestripefs?</font><br><font size="2" color="#5F5F5F">Sent by: </font><font size="2">gpfsug-discuss-bounces@gpfsug.org</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><font face="Calibri">Hi</font><br><font face="Calibri"> </font><br><font face="Calibri">Years ago, IBM made some plan to do a implementation “QoS for mmrestripefs, mmdeldisk…”. If a “mmfsrestripe” is running, very poor performance for NFS access.</font><br><font face="Calibri">I opened a PMR to ask for QoS in version 4.1.1 (Spectrum Scale).</font><br><font face="Calibri"> </font><br><font face="Calibri">PMR 61309,113,848:</font><br><i><font face="Arial">I discussed the question of QOS with the development team. These <br>command changes that were noticed are not meant to be used as GA code<br>which is why they are not documented. I cannot provide any further <br>information from the support perspective. </font></i><font face="Arial"><br></font><br><font face="Calibri"> </font><br><font face="Calibri">Anybody knows about QoS? The last hope was at “GPFS Workshop Stuttgart März 2015” with Sven Oehme as speaker.</font><br><font face="Calibri"> </font><br><font face="Calibri">Daniel Vogel</font><br><font face="Calibri">IT Consultant</font><br><font face="Calibri"> </font><br><b><font face="Calibri">ABC SYSTEMS AG</font></b><br><font face="Calibri">Hauptsitz Zürich</font><br><font face="Calibri">Rütistrasse 28</font><br><font face="Calibri">CH - 8952 Schlieren</font><br><font face="Calibri">T +41 43 433 6 433</font><br><font face="Calibri">D +41 43 433 6 467</font><br><font face="Calibri"><a href="http://www.abcsystems.ch">http://www.abcsystems.ch</a></font><br><font face="Calibri"> </font><br><b><i><font color="#1F497D" face="Calibri">ABC - A</font></i></b><i><font color="#1F497D" face="Calibri">lways </font></i><b><i><font color="#1F497D" face="Calibri">B</font></i></b><i><font color="#1F497D" face="Calibri">etter </font></i><b><i><font color="#1F497D" face="Calibri">C</font></i></b><i><font color="#1F497D" face="Calibri">oncepts. </font></i><b><i><font color="#1F497D" face="Calibri">A</font></i></b><i><font color="#1F497D" face="Calibri">pproved </font></i><b><i><font color="#1F497D" face="Calibri">B</font></i></b><i><font color="#1F497D" face="Calibri">y </font></i><b><i><font color="#1F497D" face="Calibri">C</font></i></b><i><font color="#1F497D" face="Calibri">ustomers since 1981.</font></i><br><font face="Calibri"> </font><tt>_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at gpfsug.org<br></tt><tt><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></tt><tt><br></tt><br><br><BR>
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