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-1546 Lustre <p>An open file with no links reports link count 1, even 1 hour after the unlink(). I believe the issue is that the PENDING link is being erroneously reported to the client.</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># cd /mnt/lustre # ls -a . .. .lustre # touch FILE # stat FILE File: `FILE' Size: 0 Blocks: 0 IO Block: 2097152 regular empty file Device: 2c54f966h/743766374d Inode: 144115205255725057 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2012-06-20 12:51:48.000000000 -0500 Modify: 2012-06-20 12:51:48.000000000 -0500 Change: 2012-06-20 12:51:48.000000000 -0500 # exec 3&lt;FILE # stat -L /proc/self/fd/3 File: `/proc/self/fd/3' Size: 0 Blocks: 0 IO Block: 2097152 regular empty file Device: 2c54f966h/743766374d Inode: 144115205255725057 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2012-06-20 12:51:48.000000000 -0500 Modify: 2012-06-20 12:51:48.000000000 -0500 Change: 2012-06-20 12:51:48.000000000 -0500 # rm FILE # stat -L /proc/self/fd/3 File: `/proc/self/fd/3' Size: 0 Blocks: 0 IO Block: 2097152 regular empty file Device: 2c54f966h/743766374d Inode: 144115205255725057 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2012-06-20 12:51:48.000000000 -0500 Modify: 2012-06-20 12:51:48.000000000 -0500 Change: 2012-06-20 12:52:33.000000000 -0500 # lsof /mnt/lustre COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME bash 5579 root cwd DIR 1273,181606 4096 25003 /mnt/lustre bash 5579 root 3r REG 1273,181606 0 144115205255725057 /mnt/lustre/FILE (deleted) lsof 10806 root cwd DIR 1273,181606 4096 25003 /mnt/lustre lsof 10807 root cwd DIR 1273,181606 4096 25003 /mnt/lustre # sleep 3600 # stat -L /proc/self/fd/3 File: `/proc/self/fd/3' Size: 0 Blocks: 0 IO Block: 2097152 regular empty file Device: 2c54f966h/743766374d Inode: 144115205255725057 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2012-06-20 12:51:48.000000000 -0500 Modify: 2012-06-20 12:51:48.000000000 -0500 Change: 2012-06-20 12:52:33.000000000 -0500 </pre> </div></div> # uname -r<br/> 2.6.32-220.13.1.el6.l22.x86_64<br/> # cat /proc/fs/lustre/version <br/> lustre: 2.2.55<br/> kernel: patchless_client<br/> build: 2.2.55-gef32640-CHANGED-2.6.32-220.13.1.el6.l22.x86_64<br/> LU-1546

stat returns link count 1 for unlinked but open files

Bug Minor Resolved Fixed Zhenyu Xu John Hammond patch Wed, 20 Jun 2012 21:55:06 +0000 Thu, 18 Apr 2013 18:44:29 +0000 Thu, 18 Apr 2013 18:44:29 +0000 Lustre 2.3.0 Lustre 2.1.2 Lustre 2.4.0 0 2 <p>Please see <a href="http://review.whamcloud.com/3154" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/3154</a>.</p> <p>Patch landed.</p> Development Rank 1|hzvoif: Rank (Obsolete) 7792 Severity