# cryptsetup 1.6.3 processing "cryptsetup --debug -d /dev/mapper/keyfile luksOpen /dev/sdb4 rpool-crypt1"
# Running command open.
# Locking memory.
# Installing SIGINT/SIGTERM handler.
# Unblocking interruption on signal.
# Allocating crypt device /dev/sdb4 context.
# Trying to open and read device /dev/sdb4.
# Initialising device-mapper backend library.
# Trying to load LUKS1 crypt type from device /dev/sdb4.
# Crypto backend (gcrypt 1.5.3) initialized.
# Reading LUKS header of size 1024 from device /dev/sdb4
# Key length 32, device size 780322959 sectors, header size 2050 sectors.
# Timeout set to 0 miliseconds.
# Password retry count set to 3.
# Password verification disabled.
# Iteration time set to 1000 miliseconds.
# Password retry count set to 1.
# Activating volume rpool-crypt1 [keyslot -1] using keyfile /dev/mapper/keyfile.
# Detected kernel Linux 3.2.41-2 x86_64.
# dm version   OF   [16384] (*1)
# dm versions   OF   [16384] (*1)
# Detected dm-crypt version 1.11.1, dm-ioctl version 4.22.0.
# Device-mapper backend running with UDEV support enabled.
# dm status rpool-crypt1  OF   [16384] (*1)
# File descriptor passphrase entry requested.
# Trying to open key slot 0 [ACTIVE_LAST].
# Reading key slot 0 area.
# Calculated device size is 250 sectors (RW), offset 8.
# DM-UUID is CRYPT-TEMP-temporary-cryptsetup-1652
# Udev cookie 0xd4de9bd (semid 524288) created
# Udev cookie 0xd4de9bd (semid 524288) incremented to 1
# Udev cookie 0xd4de9bd (semid 524288) incremented to 2
# Udev cookie 0xd4de9bd (semid 524288) assigned to CREATE task(0) with flags DISABLE_SUBSYSTEM_RULES DISABLE_DISK_RULES DISABLE_OTHER_RULES (0xe)
# dm create temporary-cryptsetup-1652 CRYPT-TEMP-temporary-cryptsetup-1652 OF   [16384] (*1)
# dm reload temporary-cryptsetup-1652  OFRW    [16384] (*1)
# dm resume temporary-cryptsetup-1652  OFRW    [16384] (*1)
# temporary-cryptsetup-1652: Stacking NODE_ADD (254,2) 0:0 0600 [verify_udev]
# temporary-cryptsetup-1652: Stacking NODE_READ_AHEAD 256 (flags=1)
# Udev cookie 0xd4de9bd (semid 524288) decremented to 1
# Udev cookie 0xd4de9bd (semid 524288) waiting for zero
# Udev cookie 0xd4de9bd (semid 524288) destroyed
# temporary-cryptsetup-1652: Processing NODE_ADD (254,2) 0:0 0600 [verify_udev]
# temporary-cryptsetup-1652: Processing NODE_READ_AHEAD 256 (flags=1)
# temporary-cryptsetup-1652 (254:2): read ahead is 256
# temporary-cryptsetup-1652 (254:2): Setting read ahead to 256
# Udev cookie 0xd4deb6c (semid 557056) created
# Udev cookie 0xd4deb6c (semid 557056) incremented to 1
# Udev cookie 0xd4deb6c (semid 557056) incremented to 2
# Udev cookie 0xd4deb6c (semid 557056) assigned to REMOVE task(2) with flags (0x0)
# dm remove temporary-cryptsetup-1652  OFT    [16384] (*1)
# temporary-cryptsetup-1652: Stacking NODE_DEL [verify_udev]
# Udev cookie 0xd4deb6c (semid 557056) decremented to 1
# Udev cookie 0xd4deb6c (semid 557056) waiting for zero
# Udev cookie 0xd4deb6c (semid 557056) destroyed
# temporary-cryptsetup-1652: Processing NODE_DEL [verify_udev]
Key slot 0 unlocked.
# Calculated device size is 780318863 sectors (RW), offset 4096.
# DM-UUID is CRYPT-LUKS1-9257a147b9714920b0ff79e0a14e110e-rpool-crypt1
# Udev cookie 0xd4d4f72 (semid 589824) created
# Udev cookie 0xd4d4f72 (semid 589824) incremented to 1
# Udev cookie 0xd4d4f72 (semid 589824) incremented to 2
# Udev cookie 0xd4d4f72 (semid 589824) assigned to CREATE task(0) with flags (0x0)
# dm create rpool-crypt1 CRYPT-LUKS1-9257a147b9714920b0ff79e0a14e110e-rpool-crypt1 OF   [16384] (*1)
# dm reload rpool-crypt1  OFW    [16384] (*1)
# dm resume rpool-crypt1  OFW    [16384] (*1)
# rpool-crypt1: Stacking NODE_ADD (254,2) 0:0 0600 [verify_udev]
# rpool-crypt1: Stacking NODE_READ_AHEAD 256 (flags=1)
# Udev cookie 0xd4d4f72 (semid 589824) decremented to 1
# Udev cookie 0xd4d4f72 (semid 589824) waiting for zero
# Udev cookie 0xd4d4f72 (semid 589824) destroyed
# rpool-crypt1: Processing NODE_ADD (254,2) 0:0 0600 [verify_udev]
# rpool-crypt1: Processing NODE_READ_AHEAD 256 (flags=1)
# rpool-crypt1 (254:2): read ahead is 256
# rpool-crypt1 (254:2): Setting read ahead to 256
# Releasing crypt device /dev/sdb4 context.
# Releasing device-mapper backend.
# Unlocking memory.
Command successful.