dmesg | tail 
[ 2385.066483] sd 7:0:0:0: [sdb] No Caching mode page found
[ 2385.066490] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 2385.174125]  sdb: sdb1 sdb2 sdb3 sdb4 < sdb5 sdb6 sdb7 sdb8 sdb9 >
[ 2385.207842] sd 7:0:0:0: [sdb] Attached SCSI disk
[ 2592.404120] EXT4-fs (sdb9): VFS: Can't find ext4 filesystem
[ 2592.404742] EXT4-fs (sdb9): VFS: Can't find ext4 filesystem
[ 2592.405364] EXT4-fs (sdb9): VFS: Can't find ext4 filesystem
[ 2592.405992] FAT-fs (sdb9): bogus number of reserved sectors
[ 2592.405996] FAT-fs (sdb9): Can't find a valid FAT filesystem
[ 2609.180752] EXT4-fs (sdb9): VFS: Can't find ext4 filesystem