== sanity test 54c: block device works in lustre =============================================================================== 06:52:15 (1743504735)
make a loop file system with /mnt/lustre/f54c.sanity on /mnt/lustre/loop54c (3).
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4096 bytes (4.1 kB, 4.0 KiB) copied, 0.010422 s, 393 kB/s
mke2fs 1.47.1-wc2 (08-Nov-2024)
Discarding device blocks: 4099/4100         done                            
Creating filesystem with 4100 1k blocks and 1024 inodes

Allocating group tables: 0/1   done                            
Writing inode tables: 0/1   done                            
Writing superblocks and filesystem accounting information: 0/1   done

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122880 bytes (123 kB, 120 KiB) copied, 0.0158174 s, 7.8 MB/s
Filesystem          1K-blocks  Used Available Use% Mounted on
/mnt/lustre/loop54c      3823   135      3483   4% /mnt/lustre/d54c.sanity
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122880 bytes (123 kB, 120 KiB) copied, 0.00098586 s, 125 MB/s
losetup: /mnt/lustre/loop54c: detach failed: No such device or address
losetup: /dev/loop3: detach failed: No such device or address