https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-13843 Lustre <p> </p> <p> </p> <p>Steps to reproduce:</p> <p> </p> <p>Check that cache is not configured. Empty list.</p> <ol> <li>lctl pcc list /mnt/lustre</li> </ol> <p>#</p> <p> </p> <p>Try to delete any cache</p> <ol> <li>lctl pcc del /mnt/lustre /mnt/pccro/</li> </ol> <ol> <li>echo $?</li> </ol> <p>0</p> <p> </p> <p>Try for any word</p> <ol> <li>lctl pcc del /mnt/lustre abc</li> </ol> <ol> <li>echo $?</li> </ol> <p>0</p> <p> </p> <p>This is not critical, but it is good to have proper return codes for scripting or control that this is expected.</p> LU-13843

removing non existing path with lctl pcc del returns 0 (success) exit code without error message

Bug Minor Closed Fixed WC Triage Vikentsi Lapa PCC Fri, 31 Jul 2020 06:53:57 +0000 Wed, 5 Aug 2020 08:49:39 +0000 Wed, 5 Aug 2020 08:49:39 +0000 Lustre 2.14.0 0 3 <p>I tried the test in my local system, It reported errors as expected.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> [root@qian tests]# ../utils/lctl pcc add /mnt/lustre /mnt/pcc -p <span class="code-quote">"projid={100} rwid=2"</span> [root@qian tests]# ../utils/lctl pcc del /mnt/lustre /mnt/pcc2 || echo $? lctl pcc pcc: error: setting llite.lustre-ffff9ebf38692800.pcc=<span class="code-quote">'del /mnt/pcc2'</span>: No such file or directory (2) 2 [root@qian tests]# ../utils/lctl pcc del /mnt/lustre /mnt/pcc2            lctl pcc pcc: error: setting llite.lustre-ffff9ebf38692800.pcc=<span class="code-quote">'del /mnt/pcc2'</span>: No such file or directory (2) [root@qian tests]# ../utils/lctl pcc del /mnt/lustre /kkk      lctl pcc pcc: error: setting llite.lustre-ffff9ebf38692800.pcc=<span class="code-quote">'del /kkk'</span>: No such file or directory (2) [root@qian tests]# echo $? 2 [root@qian tests]# ../utils/lctl pcc del /mnt/lustre abc  lctl pcc pcc: error: setting llite.lustre-ffff9ebf38692800.pcc=<span class="code-quote">'del abc'</span>: Invalid argument (22) [root@qian tests]# ../utils/lctl pcc del /mnt/lustre /mnt/pcc [root@qian tests]# echo $? 0 [root@qian tests]# ../utils/lctl pcc del /mnt/lustre /mnt/pcc lctl pcc pcc: error: setting llite.lustre-ffff9ebf38692800.pcc=<span class="code-quote">'del /mnt/pcc'</span>: No such file or directory (2) [root@qian tests]# ../utils/lctl pcc list /mnt/lustre          [root@qian tests]# ../utils/lctl pcc del /mnt/lustre /mnt/pcc lctl pcc pcc: error: setting llite.lustre-ffff9ebf38692800.pcc=<span class="code-quote">'del /mnt/pcc'</span>: No such file or directory (2) [root@qian tests]#  </pre> </div></div> <p>I am using  versions below for test, can you provide your build version?</p> <p>rpm -qa | grep lustre<br/> kmod-lustre-client-2.13.55_3_gaaa3279-1.el7.x86_64<br/> lustre-client-2.13.55_3_gaaa3279-1.el7.x86_64<br/> lustre-iokit-2.13.55_3_gaaa3279-1.el7.x86_64<br/> lustre-client-tests-2.13.55_3_gaaa3279-1.el7.x86_64</p> <p>1. Check that something attached to the cache</p> <p>lctl pcc list /mnt/lustre<br/> pcc:<br/> -<br/> pccpath: /mnt/pccro_tst<br/> hsmtool: posix<br/> rwid: 5<br/> roid: 5<br/> flags: 3e<br/> autocache: projid={100}<br/> -<br/> pccpath: /mnt/pccro<br/> hsmtool: posix<br/> rwid: 4<br/> roid: 4<br/> flags: 3e<br/> autocache: projid={100}</p> <p>2.  Than check delete option</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> [root@trevis-59vm12 ~]# lctl pcc del /mnt/lustre abc [root@trevis-59vm12 ~]# echo $? 0 </pre> </div></div> <p>This bug was introduced in <a href="https://jira.whamcloud.com/browse/LU-12373" title="detach and delete the PCC cached files when remove a PCC backend from a client" class="issue-link" data-issue-key="LU-12373">LU-12373</a>. The patch I tested was <a href="https://review.whamcloud.com/#/c/38305/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/38305/</a>.</p> <p>I have fixed this bug in </p> <p><a href="https://review.whamcloud.com/38352" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38352</a> <a href="https://jira.whamcloud.com/browse/LU-12373" title="detach and delete the PCC cached files when remove a PCC backend from a client" class="issue-link" data-issue-key="LU-12373">LU-12373</a> pcc: uncache the pcc copies when remove a PCC backend</p> <p>Please try again!</p> <p> </p> <p>Thanks,</p> <p>Qian</p> <p>Verified with lustre-2.13.55_3_g066eec1-1.el7.x86_64</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> # lctl pcc del /mnt/lustre abc del: failed to delete <span class="code-quote">'abc'</span> on <span class="code-quote">'/mnt/lustre'</span>: No such file or directory [root@trevis-59vm9 ~]# echo $? 2 </pre> </div></div> <p> </p> Related LU-10499 Development Rank 1|i016nr: Rank (Obsolete) 9223372036854775807 Severity