[linux-lvm] [dm-crypt] LVM on LUKS: volumes missing
fauno
fauno at partidopirata.com.ar
Tue May 31 13:17:26 UTC 2016
On 31/05/16 04:53, Ondrej Kozina wrote:
> Hi fauno,
>
> provided the driver was unlocked successfully it seems unrelated to
> cryptsetup/LUKS to me. Could we move the discussion to lvm mail list?
ok :)
> On 05/30/2016 11:54 PM, fauno wrote:
>> Hi, maybe I'm too shocked but I couldn't find anything on this issue :)
>>
>> I have a fully encrypted HD using the LVM on LUKS method from
>> ArchWiki[^0], with the LUKS header and key file on an external device.
>>
>> Today I started having some disk failures (root remounted ro, xfs
>> partition giving errors), and after I decided to reboot to run fsck, I
>> can't find anything.
>
> Could you paste here output of pvscan -vvvv --cache
> /dev/mapper/insert_the_unlocked_device_name?
#libdm-config.c:863 Setting activation/monitoring to 0
#lvmcmdline.c:1093 Processing: pvscan -vvvv --cache
/dev/mapper/system
#lvmcmdline.c:1096 O_DIRECT will be used
#libdm-config.c:799 Setting global/locking_type to 1
#libdm-config.c:799 Setting global/wait_for_locks to 1
#locking/locking.c:242 File-based locking selected.
#libdm-config.c:768 Setting global/locking_dir to /run/lock/lvm
#libdm-config.c:863 Setting global/prioritise_write_locks to 1
#locking/file_locking.c:236 Locking /run/lock/lvm/P_global RB
#locking/file_locking.c:141 _do_flock /run/lock/lvm/P_global:aux WB
#locking/file_locking.c:51 _undo_flock /run/lock/lvm/P_global:aux
#locking/file_locking.c:141 _do_flock /run/lock/lvm/P_global RB
#pvscan.c:150 Using physical volume(s) on command line
#device/dev-cache.c:347 /dev/mapper/system: Added to device cache
#locking/file_locking.c:74 Unlocking /run/lock/lvm/P_global
#locking/file_locking.c:51 _undo_flock /run/lock/lvm/P_global
Command failed with status code 5.
> Together with your
> /etc/lvm/lvm.conf file? If it's a device with rootfs we're talking about
> you will most probably have to extract /etc/lvm/lvm.conf file from
> initramfs image.
this is the lvm.conf from the initramfs (removed comments)
config {
checks = 1
abort_on_errors = 0
profile_dir = "/etc/lvm/profile"
}
devices {
dir = "/dev"
scan = [ "/dev" ]
obtain_device_list_from_udev = 1
external_device_info_source = "none"
cache_dir = "/etc/lvm/cache"
cache_file_prefix = ""
write_cache_state = 1
sysfs_scan = 1
multipath_component_detection = 1
md_component_detection = 1
fw_raid_component_detection = 0
md_chunk_alignment = 1
data_alignment_detection = 1
data_alignment = 0
data_alignment_offset_detection = 1
ignore_suspended_devices = 0
ignore_lvm_mirrors = 1
disable_after_error_count = 0
require_restorefile_with_uuid = 1
pv_min_size = 2048
issue_discards = 0
}
allocation {
maximise_cling = 1
use_blkid_wiping = 1
wipe_signatures_when_zeroing_new_lvs = 1
mirror_logs_require_separate_pvs = 0
cache_pool_metadata_require_separate_pvs = 0
thin_pool_metadata_require_separate_pvs = 0
}
log {
verbose = 0
silent = 0
syslog = 1
overwrite = 0
level = 0
indent = 1
command_names = 0
prefix = " "
activation = 0
debug_classes = [ "memory", "devices", "activation", "allocation",
"lvmetad", "metadata", "cache", "locking", "lvmpolld" ]
}
backup {
backup = 1
backup_dir = "/etc/lvm/backup"
archive = 1
archive_dir = "/etc/lvm/archive"
retain_min = 10
retain_days = 30
}
shell {
history_size = 100
}
global {
umask = 077
test = 0
units = "h"
si_unit_consistency = 1
suffix = 1
activation = 1
proc = "/proc"
etc = "/etc"
locking_type = 1
wait_for_locks = 1
fallback_to_clustered_locking = 1
fallback_to_local_locking = 1
locking_dir = "/run/lock/lvm"
prioritise_write_locks = 1
abort_on_internal_errors = 0
detect_internal_vg_cache_corruption = 0
metadata_read_only = 0
mirror_segtype_default = "raid1"
raid10_segtype_default = "raid10"
sparse_segtype_default = "thin"
use_lvmetad = 1
use_lvmlockd = 0
system_id_source = "none"
use_lvmpolld = 0
}
activation {
checks = 0
udev_sync = 1
udev_rules = 1
verify_udev_operations = 0
retry_deactivation = 1
missing_stripe_filler = "error"
use_linear_target = 1
reserved_stack = 64
reserved_memory = 8192
process_priority = -18
raid_region_size = 512
readahead = "auto"
raid_fault_policy = "warn"
mirror_image_fault_policy = "remove"
mirror_log_fault_policy = "allocate"
snapshot_autoextend_threshold = 100
snapshot_autoextend_percent = 20
thin_pool_autoextend_threshold = 100
thin_pool_autoextend_percent = 20
use_mlockall = 0
monitoring = 1
polling_interval = 15
activation_mode = "degraded"
}
dmeventd {
mirror_library = "libdevmapper-event-lvm2mirror.so"
snapshot_library = "libdevmapper-event-lvm2snapshot.so"
thin_library = "libdevmapper-event-lvm2thin.so"
}
> Well, generally, if disk sectors accommodating PV header are damaged,
> lvm2 won't recognise the device...
:(
--
http://utopia.partidopirata.com.ar/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 585 bytes
Desc: OpenPGP digital signature
URL: <http://listman.redhat.com/archives/linux-lvm/attachments/20160531/d78ab8ff/attachment.sig>
More information about the linux-lvm
mailing list