<span style=" font-size:10pt;font-family:sans-serif">Hi</span><br><br><span style=" font-size:10pt;font-family:sans-serif">Do u run mmbackup
on snapshot , which is read only ?<br></span><br><span style=" font-size:9pt;font-family:Arial"> </span><br><span style=" font-size:10pt;font-family:Arial">Regards</span><br><span style=" font-size:9pt;font-family:Arial"> </span><br><table width=780 style="border-collapse:collapse;"><tr height=8><td width=780 colspan=4 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><div align=center><hr noshade></div><br><span style=" font-size:1pt;font-family:Arial"> </span><tr height=8><td width=780 colspan=4 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:1pt;font-family:Arial"> </span><tr height=8><td width=516 colspan=2 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:blue;font-family:Arial"><b>Yaron
Daniel</b></span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial"> 94
Em Ha'Moshavot Rd</span><td width=96 rowspan=3 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><div align=right><img align=bottom src=cid:_1_0C9372140C936C60006FF189C22582D1 style="border:0px solid;"></div><tr height=8><td width=516 colspan=2 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:blue;font-family:Arial"><b>Storage
Architect – IL Lab Services (Storage)</b></span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial"> Petach
Tiqva, 49527</span><tr height=8><td width=516 colspan=2 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:blue;font-family:Arial"><b>IBM
Global Markets, Systems HW Sales</b></span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial"> Israel</span><tr height=8><td width=516 colspan=2 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:blue;font-family:Arial"><b> </b></span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial"> </span><td width=96 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:9pt;font-family:Arial"> </span><tr height=8><td width=90 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">Phone:</span><td width=426 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">+972-3-916-5672</span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial"> </span><td width=96 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt"> </span><tr height=8><td width=90 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">Fax:</span><td width=426 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">+972-3-916-5672</span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">
</span><td width=96 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt"> </span><tr height=8><td width=90 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">Mobile:</span><td width=426 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">+972-52-8395593</span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">
</span><td width=96 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt"> </span><tr height=8><td width=90 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">e-mail:</span><td width=426 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">yard@il.ibm.com</span><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">
</span><td width=96 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt"> </span><tr height=8><td width=516 colspan=2 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><a href="http://www.ibm.com/il/he/"><span style=" font-size:10pt;color:blue;font-family:Arial"><u>IBM
Israel</u></span></a><td width=168 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt;color:#5f5f5f;font-family:Arial">
</span><td width=96 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:10pt"> </span><tr height=8><td width=780 colspan=4 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:9pt;color:#5f5f5f;font-family:Arial"> </span><tr height=8><td width=780 colspan=4 style="border-style:none none none none;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><span style=" font-size:9pt;color:#5f5f5f;font-family:Arial"> </span></table><p style="margin-top:0px;margin-Bottom:0px"></p><br><img src=cid:_1_0C9302DC0C92FECC006FF189C22582D1 alt="IBM Storage Strategy and Solutions v1" style="border:0px solid;"><img src=cid:_1_0C9304E40C92FECC006FF189C22582D1 alt="IBM Storage Management and Data Protection v1" style="border:0px solid;"><img src=cid:_1_0C9306EC0C92FECC006FF189C22582D1 style="border:0px solid;"><img src=cid:_1_0C9308F40C92FECC006FF189C22582D1 style="border:0px solid;"><span style=" font-size:12pt"> </span><img src=cid:_1_0C930B140C92FECC006FF189C22582D1 alt="https://acclaim-production-app.s3.amazonaws.com/images/6c2c3858-6df8-45be-ac2b-f93b8da74e20/Data%2BDriven%2BMulti%2BCloud%2BStrategy%2BV1%2Bver%2B4.png" style="border:0px solid;"><span style=" font-size:12pt">
</span><img src=cid:_2_0C930D600C92FECC006FF189C22582D1 alt="Related image" style="border:0px solid;"><br><br><br><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">From:
</span><span style=" font-size:9pt;font-family:sans-serif">Peter
Childs <p.childs@qmul.ac.uk></span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">To:
</span><span style=" font-size:9pt;font-family:sans-serif">"gpfsug-discuss@spectrumscale.org"
<gpfsug-discuss@spectrumscale.org></span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">Date:
</span><span style=" font-size:9pt;font-family:sans-serif">07/10/2018
05:51 PM</span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">Subject:
</span><span style=" font-size:9pt;font-family:sans-serif">[gpfsug-discuss]
Same file opened by many nodes / processes</span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">Sent
by: </span><span style=" font-size:9pt;font-family:sans-serif">gpfsug-discuss-bounces@spectrumscale.org</span><br><hr noshade><br><br><br><tt><span style=" font-size:10pt">We have an situation where the same
file is being read by around 5000<br>"jobs" this is an array job in uge with a tc set, so the file
in<br>question is being opened by about 100 processes/jobs at the same time.<br><br>Its a ~200GB file so copying the file locally first is not an easy<br>answer, and these jobs are causing issues with mmbackup scanning the<br>file system, in that the scan is taking 3 hours instead of the normal<br>40-60 minutes.<br><br>This is read only access to the file, I don't know the specifics about<br>the job.<br><br>It looks like the metanode is moving around a fair amount (given what I<br>can see from mmfsadm saferdump file)<br><br>I'm wondering if we there is anything we can do to improve things or<br>that can be tuned within GPFS, I'm don't think we have an issue with<br>token management, but would increasing maxFileToCache on our token<br>manager node help say?<br><br>Is there anything else I should look at, to try and attempt to allow<br>GPFS to share this file better.<br><br>Thanks in advance<br><br>Peter Childs<br><br>-- <br>Peter Childs<br>ITS Research Storage<br>Queen Mary, University of London<br>_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br></span></tt><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss"><tt><span style=" font-size:10pt">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</span></tt></a><tt><span style=" font-size:10pt"><br><br></span></tt><br><br><BR>