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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks – and sorry – my comment on “verbose” was for the command, not about your info </span><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D">J</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></a></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Case closed, thanks all for answers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">That was quick
</span><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D">J</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Colin Faber [mailto:cfaber@gmail.com]
<br>
<b>Sent:</b> Tuesday, April 07, 2015 3:54 PM<br>
<b>To:</b> Hebenstreit, Michael<br>
<b>Subject:</b> Re: [lustre-discuss] file distribution over OSTs<o:p></o:p></span></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal">On Tue, Apr 7, 2015 at 3:50 PM, Hebenstreit, Michael <<a href="mailto:michael.hebenstreit@intel.com" target="_blank">michael.hebenstreit@intel.com</a>> wrote:<o:p></o:p></p>
<p class="MsoNormal">That is not really very verbose – an example<o:p></o:p></p>
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<p class="MsoNormal">Heh, sorry I'll try and be in less of a hurry the next time around =)<o:p></o:p></p>
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[mhebenst@ehs141 ~]$ lfs getstripe /lfs/lfs10s/mhebenst/IOR.00000001<br>
/lfs/lfs10s/mhebenst/IOR.00000001<br>
lmm_stripe_count: 1<br>
lmm_stripe_size: 1048576<br>
lmm_pattern: 1<br>
lmm_layout_gen: 0<br>
lmm_stripe_offset: 8<br>
obdidx objid objid group<br>
8 4989642 0x4c22ca 0<br>
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Does that mean the file is only present on OST8 of 11<o:p></o:p></p>
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<p class="MsoNormal">Yes, as the stripe count is 1<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">(there are 12 OSTs)? What if the stripesize 2 or higher? Will the distribution be exactly round robin over the listed OSTs?<o:p></o:p></p>
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<p class="MsoNormal">It would be striped across 2 OST's in as balanced a way as possible. Not exactly round robin, more balanced (or attempted balanced as much as possible) depending on OST usage. <o:p></o:p></p>
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<p class="MsoNormal">-cf<o:p></o:p></p>
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Thanks<br>
Michael<br>
<br>
<br>
From: Colin Faber [mailto:<a href="mailto:cfaber@gmail.com">cfaber@gmail.com</a>]<br>
Sent: Tuesday, April 07, 2015 3:45 PM<br>
To: Hebenstreit, Michael<br>
Cc: <a href="mailto:lustre-discuss@lists.lustre.org">lustre-discuss@lists.lustre.org</a><br>
Subject: Re: [lustre-discuss] file distribution over OSTs<o:p></o:p></p>
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"lfs getstripe" is the command you're looking for.<br>
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On Tue, Apr 7, 2015 at 3:43 PM, Hebenstreit, Michael <<a href="mailto:michael.hebenstreit@intel.com">michael.hebenstreit@intel.com</a>> wrote:<br>
Can I find out how a file (size 130GB, stripesize 1MB) is distributed over OSTs?<br>
<br>
thanks<br>
Michael<br>
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------------------------------------------------------------------------<br>
Michael Hebenstreit Senior Cluster Architect<br>
Intel Corporation, MS: RR1-105/H14 Software and Services Group/DCE<br>
4100 Sara Road Tel.: <a href="tel:%2B1%20505-794-3144">+1 505-794-3144</a><br>
Rio Rancho, NM 87124<br>
UNITED STATES E-mail: <a href="mailto:michael.hebenstreit@intel.com">
michael.hebenstreit@intel.com</a><br>
<br>
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