meta-data=/dev/sdb isize=512 agcount=4, agsize=1966080 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=1 = reflink=1 bigtime=1 inobtcount=1 nrext64=1 = exchange=0 data = bsize=4096 blocks=7864320, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0, ftype=1, parent=0 log =internal log bsize=4096 blocks=16384, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 umount: /mnt/test/078.mnt: not mounted. _check_xfs_filesystem: filesystem on /dev/loop0 has dirty log *** xfs_logprint -t output *** xfs_logprint: external log device not specified Usage: xfs_logprint [options...] Options: -c try to continue if error found in log -C copy the log from the filesystem to filename -d dump the log in log-record format -e exit when an error is found in the log -f specified device is actually a file -l filename of external log -n don't try and interpret log data -o print buffer data in hex -s block # to start printing -v print "overwrite" data -t print out transactional view -b in transactional view, extract buffer info -i in transactional view, extract inode info -q in transactional view, extract quota info -D print only data; no decoding -V print version information *** end xfs_logprint output _check_xfs_filesystem: filesystem on /dev/loop0 is inconsistent (r) *** xfs_repair -n output *** Phase 1 - find and verify superblock... bad primary superblock - bad magic number !!! attempting to find secondary superblock... ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Sorry, could not find valid secondary superblock Exiting now. *** end xfs_repair output *** mount output *** /dev/nvme0n1p4 on / type btrfs (rw,relatime,seclabel,compress=zstd:1,ssd,space_cache=v2,subvolid=256,subvol=/root) devtmpfs on /dev type devtmpfs (rw,nosuid,seclabel,size=31885180k,nr_inodes=7971295,mode=755,inode64) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,seclabel,inode64) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,seclabel,gid=5,mode=620,ptmxmode=000) sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime,seclabel) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,seclabel,nsdelegate,memory_recursiveprot) none on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime,seclabel) efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime) bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700) configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) tmpfs on /run type tmpfs (rw,nosuid,nodev,seclabel,size=12776768k,nr_inodes=819200,mode=755,inode64) selinuxfs on /sys/fs/selinux type selinuxfs (rw,nosuid,noexec,relatime) systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=36,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=5790) mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime,seclabel) hugetlbfs on /dev/hugepages type hugetlbfs (rw,nosuid,nodev,relatime,seclabel,pagesize=2M) debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime,seclabel) tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime,seclabel) tmpfs on /run/credentials/systemd-journald.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,seclabel,size=1024k,nr_inodes=1024,mode=700,inode64,noswap) fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime) /dev/nvme0n1p4 on /home type btrfs (rw,relatime,seclabel,compress=zstd:1,ssd,space_cache=v2,subvolid=257,subvol=/home) tmpfs on /tmp type tmpfs (rw,nosuid,nodev,seclabel,nr_inodes=1048576,inode64) /dev/nvme0n1p4 on /var type btrfs (rw,relatime,seclabel,compress=zstd:1,ssd,space_cache=v2,subvolid=258,subvol=/var) /dev/nvme0n1p3 on /boot type ext4 (rw,relatime,seclabel) /dev/nvme0n1p2 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=ascii,shortname=winnt,errors=remount-ro) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime) tmpfs on /run/credentials/getty@tty1.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,seclabel,size=1024k,nr_inodes=1024,mode=700,inode64,noswap) tmpfs on /run/credentials/serial-getty@ttyS0.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,seclabel,size=1024k,nr_inodes=1024,mode=700,inode64,noswap) tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,seclabel,size=6388380k,nr_inodes=1597095,mode=700,inode64) /dev/sda on /mnt/test type xfs (rw,relatime,context=system_u:object_r:root_t:s0,inode64,logbufs=8,logbsize=32k,noquota) *** end mount output umount: /mnt/test/078.mnt: not mounted. umount: /dev/sdb: not mounted. umount: /dev/sdb: not mounted.