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<p class="MsoNormal"><span style="font-size:11.0pt">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">We are looking at providing an AFM cache of a home which has a number of cloned files. From the docs:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><a href="https://www.ibm.com/support/knowledgecenter/en/STXKQY_5.0.0/com.ibm.spectrum.scale.v5r00.doc/bl1ins_afmandafmdrlimitations.htm">https://www.ibm.com/support/knowledgecenter/en/STXKQY_5.0.0/com.ibm.spectrum.scale.v5r00.doc/bl1ins_afmandafmdrlimitations.htm</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:0cm;text-indent:-18.0pt;mso-list:l0 level1 lfo1;background:white;vertical-align:baseline">
<![if !supportLists]><span style="font-size:10.0pt;font-family:Symbol;color:#323232"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt">We can see that “</span><span style="font-family:"Helvetica Neue";color:#323232">The <b><span style="border:none windowtext 1.0pt;padding:0cm">mmclone</span></b> command is not supported on AFM cache
and AFM DR primary filesets. Clones created at home for AFM filesets are treated as separate files in the cache.”<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">So it’s no surprise that when we pre-cache the files, they space consumed is different.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">What I’m not clear on is what happens if we update a clone file at home? I know AFM is supposed to only transfer the exact bytes updated, does this work with clones? i.e. at home do we just get the bytes updated
in the copy-on-write clone, or do we accidentally end up shipping the whole file back?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">(note we are using IW mode)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Simon<o:p></o:p></span></p>
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