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-15229 Lustre <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> 219 regular files 139 directories 0 character device files 0 block device files 0 fifos 0 links 0 symbolic links (0 fast symbolic links) 0 sockets ------------ 358 files Memory used: 272k/0k (82k/191k), time: 11.09/ 0.06/ 0.01 I/O read: 6MB, write: 1MB, rate: 0.54MB/s lm0321: resize2fs 1.45.6.cr1 (14-Aug-2020) lm0321: resize2fs: MMP: e2fsck being run <span class="code-keyword">while</span> trying to open /dev/vdb pdsh@lm0327: lm0321: ssh exited with exit code 1 Couldn't find valid filesystem superblock. </pre> </div></div> LU-15229

conf-sanity test_78: FAIL: shrink mds1 to 307837 failed

Bug Minor Open Unresolved WC Triage Elena Gryaznova Mon, 15 Nov 2021 14:59:01 +0000 Mon, 15 Nov 2021 21:30:57 +0000 Lustre 2.15.0 0 2 <p>Per SEA-77:</p> <blockquote> <p>It turns out resize2fs doesn't reset the MMP block back to the clean state after running it on a device that has MMP feature enabled:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># dumpe2fs -h /dev/disk/by-id/scsi-1IET_00020001 | grep mmp dumpe2fs 1.42.13.wc5 (15-Apr-2016) Filesystem features: has_journal ext_attr resize_inode dir_index filetype mmp flex_bg dirdata sparse_super large_file huge_file uninit_bg dir_nlink quota # resize2fs -P /dev/disk/by-id/scsi-1IET_00020001 resize2fs 1.42.13.wc5 (15-Apr-2016) Estimated minimum size of the filesystem: 80788 # resize2fs -P /dev/disk/by-id/scsi-1IET_00020001 resize2fs 1.42.13.wc5 (15-Apr-2016) resize2fs: MMP: fsck being run while trying to open /dev/disk/by-id/scsi-1IET_00020001 Couldn't find valid filesystem superblock. </pre> </div></div> <p>So, this is a defect in resize2fs. I'll investigate how to resolve the issue.</p> <p>A workaround is to run the following command after running resize2fs:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># tune2fs -f -E clear-mmp /dev/disk/by-id/scsi-1IET_00020001 </pre> </div></div></blockquote> Related Development Rank 1|i029x3: Rank (Obsolete) 9223372036854775807 Severity