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--></style></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt'>I am looking for the various policy rules which can be applied for Lustre Persistent Client Cache. In the docs, I see below example using projid, fname and uid. Where can I find a complete list of supported rules. <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'>Also is there a way for PCC to only cache content of few folders <o:p></o:p></span></p><p class=MsoNormal><a href="http://doc.lustre.org/lustre_manual.xhtml#pcc.design.rules">http://doc.lustre.org/lustre_manual.xhtml#pcc.design.rules</a><o:p></o:p></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'><o:p> </o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:13.5pt;font-family:Times;color:black'>The following command adds a PCC backend on a client:<o:p></o:p></span></p><p class=MsoNormal style='background:#E0E0E0'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>client# lctl pcc add /mnt/lustre /mnt/pcc --param "projid={500,1000}&fname={*.h5},uid=1001 rwid=2"<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:13.5pt;font-family:Times;color:black'>The first substring of the config parameter is the auto-cache rule, where "&" represents the logical AND operator while "," represents the logical OR operator. The example rule means that new files are only auto cached if either of the following conditions are satisfied:<o:p></o:p></span></p><ul type=disc><li class=MsoNormal style='color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span style='font-size:13.5pt;font-family:Times'>The project ID is either 500 or 1000 and the suffix of the file name is "h5";<o:p></o:p></span></li><li class=MsoNormal style='color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span style='font-size:13.5pt;font-family:Times'>The user ID is 1001;<o:p></o:p></span></li></ul><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p></div></body></html>