0→1 に アンマウント状態で xfs_admin コマンドで bigtime を 0→1 にする 1 アンマウントしておく 2 xfs_admin コマンドで bigtime を 1 に設定する $ sudo umount /mnt $ sudo xfs_admin -O bigtime=1 ./disk.img Running xfs_repair to upgrade filesystem. Cannot get host filesystem geometry. Repair may fail if there is a sector size mismatch between the image and the host filesystem. Phase 1 - find and verify superblock... Cannot get host filesystem geometry. Repair may fail if there is a sector size mismatch between the image and the host filesystem. Phase 2 - using internal log - zero log... - scan filesystem freespace and inode maps... - found root inode chunk Adding large timestamp support to filesystem. 1 2 19 / 29
./disk.img Running xfs_repair to upgrade filesystem. Cannot get host filesystem geometry. Repair may fail if there is a sector size mismatch between the image and the host filesystem. Phase 1 - find and verify superblock... Only one AG detected - cannot validate filesystem geometry. Use the -o force_geometry option to proceed. 23 / 29