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-14570 Lustre <p>Running e2fsck on a DNE filesystem where LFSCK was run reported:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Entry '..' in &lt;195395086&gt;/&lt;195395122&gt; (195395122) has an incorrect filetype (was 18, should be 1). Entry '..' in &lt;602879868&gt;/&lt;602879869&gt; (602879869) has an incorrect filetype (was 18, should be 1). Entry '..' in &lt;134818057&gt;/&lt;134818059&gt; (134818059) has an incorrect filetype (was 18, should be 1). Entry '..' in &lt;134818057&gt;/&lt;134818064&gt; (134818064) has an incorrect filetype (was 18, should be 1). Entry '..' in &lt;134818057&gt;/&lt;134818066&gt; (134818066) has an incorrect filetype (was 18, should be 1). </pre> </div></div> <p>This is because the entry <tt>file_type</tt> has a flag <tt>EXT2_DIRENT_LUFID</tt> when the <tt>dirdata</tt> feature stores the FID in the directory entry, and it should be masked when checking the file type.</p> LU-14570

e2fsck reports "Entry '..' an incorrect filetype (was 18, should be 1)"

Bug Minor Open Unresolved Andreas Dilger Andreas Dilger e2fsck Sun, 28 Mar 2021 09:06:47 +0000 Mon, 14 Nov 2022 16:14:12 +0000 0 6 <p>The trail on this issue went a bit cold, but I'm adding some notes of what I remember before it is lost completely:</p> <ul class="alternate" type="square"> <li>the fix is not as clear as it initially seemed, because the "<tt>..</tt>" entry was actually pointing to an inode that is a <b>regular file</b></li> <li>that is of course bad, because it means that there is a problem with the directory structure itself</li> <li>the fix is not to change the file type in the <tt>..</tt> dirent here, but to "fix" the parent directory itself so that it is a directory</li> <li>it isn't clear in this case whether the type of the parent directory was lost/incorrect in the inode, and it <em>should</em> be a directory, or if that is some random file?</li> <li>if it is a random file, it would be better to reconnect this directory to <tt>lost+found</tt> rather than trying to repair the dirent type, <b>unless</b> the parent directory inode itself has the wrong type. There is a "try as directory" check in e2fsck that could be used to see if the parent is really a valid directory</li> </ul> <p>We have faced with the quite the same issue using rename stress test. Without LFSCK </p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> Entry <span class="code-quote">'14,37275pp37273,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhh'</span> in /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0 (4014289161) has an incorrect filetype (was 17, should be 2). Fix? no   </pre> </div></div> <p> </p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-quote">'..'</span> in /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0/14,37275pp37273,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhh (4014289162) is /REMOTE_PARENT_DIR (4030089985), should be /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0 (4014289161). Fix? no</pre> </div></div> <p>Another symptoms that looks related are</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> Entry <span class="code-quote">'0x24006b05d:0xa4c8:0x0'</span> in /REMOTE_PARENT_DIR (4030089985) is a link to directory /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0/14,37275pp37273,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhh (4014289162 fid=[0x20006a4b1:0x42c6:0x0]). Clear? no Entry <span class="code-quote">'0x24006afb0:0x3075:0x0'</span> in /REMOTE_PARENT_DIR (4030089985) is a link to directory /REMOTE_PARENT_DIR/0x24006497a:0x12a59:0x0/27,4155pp4153,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhhhhhhhhh,iiiiiiiiii,jjjjjjjjjj,kkkkkkkkkk,llllllllll, (2072103563). Clear? no</pre> </div></div> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-quote">'..'</span> in /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0/14,37275pp37273,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhh (4014289162) is /REMOTE_PARENT_DIR (4030089985), should be /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0 (4014289161). Fix? no ... <span class="code-quote">'..'</span> in /REMOTE_PARENT_DIR/0x24006497a:0x12a59:0x0/27,4155pp4153,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhhhhhhhhh,iiiiiiiiii,jjjjjjjjjj,kkkkkkkkkk,llllllllll, (2072103563) is /REMOTE_PARENT_DIR (4030089985), should be /REMOTE_PARENT_DIR/0x24006497a:0x12a59:0x0 (2072103562). Fix? no</pre> </div></div> Duplicate Related LU-15913 Development Rank 1|i01qrz: Rank (Obsolete) 9223372036854775807 Severity