for i in $(ls /dev/sd*); do echo trying $i ; /lib/udev/vol_id $i; done
trying /dev/sda
/dev/sda: unknown volume type
trying /dev/sda1
ID_FS_USAGE=filesystem
ID_FS_TYPE=ext3
ID_FS_VERSION=1.0
ID_FS_UUID=5167cc86-3404-4d15-8b51-ce7cc68d6726
ID_FS_UUID_ENC=5167cc86-3404-4d15-8b51-ce7cc68d6726
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=
trying /dev/sda2
/dev/sda2: unknown volume type
trying /dev/sda5
ID_FS_USAGE=filesystem
ID_FS_TYPE=vfat
ID_FS_VERSION=FAT32
ID_FS_UUID=47A0-1305
ID_FS_UUID_ENC=47A0-1305
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=
trying /dev/sda6
ID_FS_USAGE=filesystem
ID_FS_TYPE=ext3
ID_FS_VERSION=1.0
ID_FS_UUID=93e4d873-269b-4dd8-83d0-79fba20a3bb1
ID_FS_UUID_ENC=93e4d873-269b-4dd8-83d0-79fba20a3bb1
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=
trying /dev/sda7
ID_FS_USAGE=other
ID_FS_TYPE=swap
ID_FS_VERSION=2
ID_FS_UUID=7bbaebd3-a9b4-4e96-803d-beb52f00a067
ID_FS_UUID_ENC=7bbaebd3-a9b4-4e96-803d-beb52f00a067
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=
trying /dev/sdb
/dev/sdb: unknown volume type
trying /dev/sdb1
ID_FS_USAGE=filesystem
ID_FS_TYPE=ext3
ID_FS_VERSION=1.0
ID_FS_UUID=8577e4a7-681f-4db2-84dd-3dff568c9137
ID_FS_UUID_ENC=8577e4a7-681f-4db2-84dd-3dff568c9137
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=
trying /dev/sdb2
ID_FS_USAGE=other
ID_FS_TYPE=swap
ID_FS_VERSION=2
ID_FS_UUID=39cf4500-cef7-4df4-8699-de1065580ecb
ID_FS_UUID_ENC=39cf4500-cef7-4df4-8699-de1065580ecb
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=
trying /dev/sdb3
/dev/sdb3: unknown volume type
trying /dev/sdb5
ID_FS_USAGE=filesystem
ID_FS_TYPE=ext3
ID_FS_VERSION=1.0
ID_FS_UUID=9f767d6e-a761-4a39-aa8a-dc6a326c3e78
ID_FS_UUID_ENC=9f767d6e-a761-4a39-aa8a-dc6a326c3e78
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=
trying /dev/sdb6
ID_FS_USAGE=filesystem
ID_FS_TYPE=ext3
ID_FS_VERSION=1.0
ID_FS_UUID=f84751e8-e546-49f6-97de-103d73bbf4f6
ID_FS_UUID_ENC=f84751e8-e546-49f6-97de-103d73bbf4f6
ID_FS_LABEL=
ID_FS_LABEL_ENC=
ID_FS_LABEL_SAFE=