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AchilleTalon
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PostPosted: Wed Sep 03, 2014 8:43 pm    Post subject: [SOLVED] lvm2 and systemd thrown in rescue shell after ... Reply with quote

I've just updated LVM2 to sys-fs/lvm2-2.02.109 and since then, when I am booting systemd isn't capable to activate other volume groups than the first in the volume_list list. I am thrown in the rescue mode and I just issue a vgchange -a y myvg and everything is activated properly the filesystems are fsck'd and mounted and systemctl default continue to boot and everything seems fine.

Why am I thrown in the rescue mode and why systemd isn't capable to activate the other VGs?

/etc/lvm/lvm.conf:
Code:
config {
    checks = 1
    abort_on_errors = 0
    profile_dir = "/etc/lvm/profile"
}
devices {
    dir = "/dev"
    scan = [ "/dev" ]
    obtain_device_list_from_udev = 1
    preferred_names = [ ]
    filter = [ "r|/dev/nbd.*|", "a/.*/" ]
    cache_dir = "/etc/lvm/cache"
    cache_file_prefix = ""
    write_cache_state = 1
    sysfs_scan = 1
    multipath_component_detection = 1
    md_component_detection = 1
    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 = "  "
    debug_classes = [ "memory", "devices", "activation", "allocation",
            "lvmetad", "metadata", "cache", "locking" ]
}
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
    fallback_to_lvm1 = 0
    proc = "/proc"
    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"
    use_lvmetad = 1
}
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
    volume_list = [ "racinevg", "donneesvg", "bb10vg" ]
    raid_region_size = 512
    readahead = "auto"
    raid_fault_policy = "warn"
    mirror_log_fault_policy = "allocate"
    mirror_image_fault_policy = "remove"
    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"
}
metadata {
}
dmeventd {
    mirror_library = "libdevmapper-event-lvm2mirror.so"
    snapshot_library = "libdevmapper-event-lvm2snapshot.so"
    thin_library = "libdevmapper-event-lvm2thin.so"
}


In the log (journalctl -xb), here is what I am getting at this point:
Code:
Sep 02 23:23:17 localhost systemd[1]: Job dev-donneesvg-data.device/start timed out.
Sep 02 23:23:17 localhost systemd[1]: Timed out waiting for device dev-donneesvg-data.device.
-- Subject: Unit dev-donneesvg-data.device has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dev-donneesvg-data.device has failed.
--
-- The result is timeout.
Sep 02 23:23:17 localhost systemd[1]: Dependency failed for /data.
-- Subject: Unit data.mount has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit data.mount has failed.
--
-- The result is dependency.
Sep 02 23:23:17 localhost systemd[1]: Dependency failed for Local File Systems.
-- Subject: Unit local-fs.target has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit local-fs.target has failed.
--
-- The result is dependency.
Sep 02 23:23:17 localhost systemd[1]: Triggering OnFailure= dependencies of local-fs.target.
Sep 02 23:23:17 localhost systemd[1]: Dependency failed for File System Check on /dev/donneesvg/data.
-- Subject: Unit systemd-fsck@dev-donneesvg-data.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit systemd-fsck@dev-donneesvg-data.service has failed.
--
-- The result is dependency.
...

And so on for each logical volume in the volume group.

Any hints?
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Last edited by AchilleTalon on Tue Nov 04, 2014 12:35 am; edited 1 time in total
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sebB
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PostPosted: Thu Sep 04, 2014 4:58 pm    Post subject: Reply with quote

Do you use genkernel to generate your initramfs?
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AchilleTalon
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PostPosted: Thu Sep 04, 2014 6:21 pm    Post subject: Reply with quote

No, I use dracut.
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PostPosted: Mon Sep 08, 2014 5:31 pm    Post subject: Reply with quote

I remade the initramfs image and it didn't change anything.
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PostPosted: Wed Sep 10, 2014 9:56 pm    Post subject: Reply with quote

Can you post your /boot/grub/grub.cfg
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AchilleTalon
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PostPosted: Wed Sep 10, 2014 10:30 pm    Post subject: Reply with quote

Here it is, I am still using grub-0.97

Code:
default 0
timeout 30
splashimage=(hd0,0)/boot/grub/splash.xpm.gz

title Gentoo Linux 3.14.14-gentoo-nvidia
root (hd0,0)
kernel /boot/kernel-3.14.14-gentoo-nvidia rd.lvm.lv=racinevg/usr resume=UUID=c35105db-706e-4245-a8bb-7061072612e7 root=UUID=b5985a22-efef-4e06-85db-c561266dd955 rootflags=rw,noatime,iocharset=utf8 rootfstype=jfs rd.shell init=/usr/lib/systemd/systemd
initrd /boot/initramfs-3.14.14-gentoo-nvidia.img


I must say this was working previously. I didn't change anything in this file.
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PostPosted: Thu Sep 11, 2014 3:31 pm    Post subject: Reply with quote

Can you try replacing
Code:
rd.lvm.lv=racinevg/usr

by (I suppose racinevg is the name of your vg)
Code:
rd.lvm.vg=racinevg

If this don't work, remove rd.lvm.vg and try adding every lvm you want to mount in your grub
Code:
rd.lvm.lv=racinevg/home rd.lvm.lv=racinevg/usr ...

Afetr every change remade the initramfs
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AchilleTalon
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PostPosted: Thu Sep 11, 2014 8:52 pm    Post subject: Reply with quote

I don't see the point to remake the initramfs after changing the grub configuration, the content of the initramfs does not depends on the content of the grub configuration. Both the grub configuration and the initramfs contents depends on what modules are required, but dracut does not read the grub configuration to make the image.
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PostPosted: Fri Sep 12, 2014 9:34 am    Post subject: Reply with quote

I confused with genkernel for the initramfs.

Did you try simply replacing what I said?

For some raison, I prefer genkernel-next to dracut.
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PostPosted: Wed Sep 17, 2014 3:02 pm    Post subject: Reply with quote

I didn't have time to test your suggestion. However, after rereading it I believe you missed what my problem is. I have no problem to have everything on racinevg, yes it is my root vg, mounted. What is not mounted is the stuff on the other vgs, donneesvg for instance.
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PostPosted: Tue Nov 04, 2014 12:37 am    Post subject: Reply with quote

sebB wrote:
I confused with genkernel for the initramfs.

Did you try simply replacing what I said?

For some raison, I prefer genkernel-next to dracut.


Okay, what fixed the problem is adding rd.lvm.vg=racinevg rd.lvm.vg=donneesvg rd.lvm.vg=bb10vg which are my three volume groups.

What I understand now is we have to add all the volume groups we want to be activated at boot time by dracut on the kernel command line using rd.lvm.vg stanza which can be repeated.

THX
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