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Bug 520738 - sys-fs/lvm2-2.02.109 - Error: /run/lvm/lvmetad.socket: connect failed: No such file or directory
Summary: sys-fs/lvm2-2.02.109 - Error: /run/lvm/lvmetad.socket: connect failed: No suc...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Robin Johnson
URL:
Whiteboard:
Keywords:
: 521350 (view as bug list)
Depends on:
Blocks:
 
Reported: 2014-08-24 08:21 UTC by Norman Back
Modified: 2014-08-29 19:06 UTC (History)
4 users (show)

See Also:
Package list:
Runtime testing required: ---


Attachments
rc.log (rc.log,6.30 KB, text/x-log)
2014-08-29 19:06 UTC, Norman Back
Details

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Description Norman Back 2014-08-24 08:21:14 UTC
sys-fs/lvm2-2.02.109 with 'use_lvmetad = 1' in /etc/lvm/lvm.conf fails to connect to lvmetad with error message '/run/lvm/lvmetad.socket: connect failed: No such file or directory'. The issue appears to be the line 'pidfile="/run/lvmetad.pid"' in /etc/init.d/lvmetad

Reproducible: Always

Steps to Reproduce:
1. emerge sys-fs/lvm2-2.02.109
2. edit /etc/lvm/lvm.conf and set use_lvmetad = 1
3. reboot
Actual Results:  
* Starting lvmetad ...
 [ ok ]
 * Setting up the Logical Volume Manager ...
  /run/lvm/lvmetad.socket: connect failed: No such file or directory
  WARNING: Failed to connect to lvmetad. Falling back to internal scanning.
 [ ok ]


Expected Results:  
lvm connects to lvmetad successfully.

emerge --info
Portage 2.2.8-r1 (default/linux/amd64/13.0/desktop, gcc-4.7.3, glibc-2.19-r1, 3.16.1-gentoo-65 x86_64)
=================================================================
System uname: Linux-3.16.1-gentoo-65-x86_64-AMD_Phenom-tm-_II_X4_965_Processor-with-gentoo-2.2
KiB Mem:    16446020 total,  14693920 free
KiB Swap:   34602996 total,  34602996 free
Timestamp of tree: Sun, 24 Aug 2014 01:45:01 +0000
ld GNU ld (GNU Binutils) 2.23.2
distcc 3.1 x86_64-pc-linux-gnu [disabled]
ccache version 3.1.9 [disabled]
app-shells/bash:          4.2_p45
dev-java/java-config:     2.2.0
dev-lang/python:          2.7.7, 3.3.5-r1
dev-util/ccache:          3.1.9-r3                                                                                                                                   
dev-util/cmake:           2.8.12.2-r1                                                                                                                                
dev-util/pkgconfig:       0.28-r1                                                                                                                                    
sys-apps/baselayout:      2.2                                                                                                                                        
sys-apps/openrc:          0.12.4                                                                                                                                     
sys-apps/sandbox:         2.6-r1                                                                                                                                     
sys-devel/autoconf:       2.13, 2.69                                                                                                                                 
sys-devel/automake:       1.9.6-r3, 1.11.6, 1.12.6, 1.13.4                                                                                                           
sys-devel/binutils:       2.23.2                                                                                                                                     
sys-devel/gcc:            4.6.4, 4.7.3-r1                                                                                                                            
sys-devel/gcc-config:     1.7.3                                                                                                                                      
sys-devel/libtool:        2.4.2-r1
sys-devel/make:           3.82-r4
sys-kernel/linux-headers: 3.13 (virtual/os-headers)
sys-libs/glibc:           2.19-r1
Repositories: gentoo local ikelos systemd
Installed sets: @kde-4.12, @kernels
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=amdfam10 -mtune=amdfam10 -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/themes/oxygen-gtk/gtk-2.0 /var/lib/hsqldb"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.5/ext-active/ /etc/php/cgi-php5.5/ext-active/ /etc/php/cli-php5.5/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-march=amdfam10 -mtune=amdfam10 -O2 -pipe"
DISTDIR="/mnt/portage.autofs/distfiles"
EMERGE_DEFAULT_OPTS="--with-bdeps=y -j9 --load-average=8 --quiet-build=y"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs buildpkg config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch parallel-install preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://mirror.qubenet.net/mirror/gentoo/ http://mirrors.linuxant.fr/distfiles.gentoo.org/ ftp://mirror.qubenet.net/mirror/gentoo/ http://www.mirrorservice.org/sites/www.ibiblio.org/gentoo/ http://ftp.snt.utwente.nl/pub/os/linux/gentoo ftp://ftp.free.fr/mirrors/ftp.gentoo.org/ http://mirror.leaseweb.com/gentoo/ http://gentoo.modulix.net/gentoo/ http://linux.rz.ruhr-uni-bochum.de/download/gentoo-mirror/ ftp://mirror.bytemark.co.uk/gentoo/"
LANG="en_GB.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j9 --load-average=8"
PKGDIR="/mnt/portage.autofs/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage /var/lib/layman/ikelos /var/lib/layman/systemd"
SYNC="rsync://datastoreone/gentoo-portage"
USE="3dnow X a52 aac accessibility acl acpi alsa amarok amd64 amr authdaemond bash-completion berkdb bluetooth bluray branding bzip2 cairo caps cdda cdr cli consolekit cracklib crypt cups cxx dbus dri dts dv dvd dvdr dvdread emboss encode exif fam firefox flac fortran gdbm gif gpm gtk iconv ieee1394 ipv6 jpeg kde lcms ldap libnotify lm_sensors lock mad mmx mng modules mp3 mp4 mpeg multilib mysql ncurses network nls nptl ofx ogg opengl openmp oss pam pango pcre pdf png policykit ppds qt3 qt3support qt4 readline samba sasl sdl semantic-desktop session spell sse sse2 ssl startup-notification svg tcpd thunar tiff truetype udev udisks uk_bleb uk_rt unicode upower usb v4l v4l2 vdpau vorbis wxwidgets x264 xcb xine xinerama xml xv xvid xvmc zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="actions alias auth_basic auth_digest authn_anon authn_dbd authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock dbd deflate dir disk_cache env expires ext_filter file_cache filter headers ident imagemap include info log_config logio mem_cache mime mime_magic negotiation proxy proxy_ajp proxy_balancer proxy_connect proxy_http rewrite setenvif so speling status unique_id userdir usertrack vhost_alias cgi cgid" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" DRACUT_MODULES="lvm syslog" DVB_CARDS="usb-dib0700" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="pc" INPUT_DEVICES="evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en en_GB" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="i386 x86_64" RUBY_TARGETS="ruby19 ruby20" SANE_BACKENDS="hp5590 hp net abaton agfafocus apple artec artec_eplus48u as6e avision bh canon canon630u canon_dr canon_pp cardscan coolscan coolscan2 coolscan3 dc210 dc240 dc25 dell1600n_net dmc epjitsu epson epson2 fujitsu genesys gt68xx hp3500 hp3900 hp4200 hp5400 hpljm1005 hpsj5s hs2p ibm kodak kvs1025 kvs20xx leo lexmark ma1509 magicolor matsushita microtek microtek2 mustek mustek_pp mustek_usb nec niash p5 pie pixma plustek plustek_pp pnm qcam ricoh rts8891 s9036 sceptre sharp sm3600 sm3840 snapscan sp15c st400 stv680 tamarack teco1 teco2 teco3 test u12 umax umax1220u umax_pp xerox_mfp" USERLAND="GNU" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
Comment 1 KK 2014-08-27 14:15:50 UTC
The same issue with the startup error message here (using 3.15.5.8-hardened).

It's probably worth mentioning that the socket /run/lvm/lvmetad.socket does actually exist (checked with ls) and there is also an lvmetad process listening on that socket (checked with netstat) on my system *after* booting has finished.

One other interesting observation I can't really make much sense of:
lvmetad, according to an on-screen boot message reading "Starting lvmeatd ...", is started *prior* to lvm (which itself is linked to the the boot runlevel). That would make perfect sense as lvmeatd is listed as a "need" dependency in lvm's init script (NOTE: lvmetad is currently *NOT* explicitly listed in any runlevel on my system).

However, further down the boot sequence after displaying "INIT: Entering runlevel: 3" there's another line reading "Starting lvmeatd ..." - which I don't understand as there's no other dependency that requires lvmetad - so I don't get where that's triggered from.

I do however suspect that only the second incarnation of lvmetad creates the socket and the first one fails for whatever reason - though without issuing an error message. This seems to be supported by a quick test I did: I added
    ewaitfile 5 /run/lvm/lvmetad.socket
prior to the following line in /etc/init.d/lvm (to rule out timing issues):
    printf "%b\n" "${lvm_commands}" | $lvm_path /proc/self/fd/0 --config ...

A reboot resulted in a 5 seconds delay (the timeout value) before prining the error messages.

To me it seems that the inital start of lvmetad (as a dependency of lvm) fails and/or does not create the socket, whereas the second start (which happens for reasons unknown to me) succeeds and/or creates the socket.

I hope that helps KK
Comment 2 Marko Weber Bürgermeister 2014-08-28 09:24:50 UTC
After upgrading to sys-fs/lvm2-2.02.109......

my lvm partitions was not mounted...ufff
Ahh, okay i see - i added use_lvmetad =1 to lvm.conf, reboot AHHH
all is fine again.

BUT:

pvdisplay:

# pvdisplay
  No device found for PV tGtthZ-oH7j-V6rc-YP1a-t9aE-4HHF-vrFdAE.

vgdisplay:

# vgdisplay
  No device found for PV tGtthZ-oH7j-V6rc-YP1a-t9aE-4HHF-vrFdAE.
  No volume groups found

lvdisplay

# lvdisplay
  No device found for PV tGtthZ-oH7j-V6rc-YP1a-t9aE-4HHF-vrFdAE.
  No volume groups found


tGtthZ-oH7j-V6rc-YP1a-t9aE-4HHF-vrFdAE is the PhysicalVolume.



when i fire up blkid:


/dev/md3: UUID="tGtthZ-oH7j-V6rc-YP1a-t9aE-4HHF-vrFdAE" TYPE="LVM2_member"


So what?!?!?!
md3 has the right UUID, why is LVM telling it cant find any device?

Is this a bug?
Can i secure create new logical volumes?
Is data lose possible?
Comment 3 Samuli Suominen (RETIRED) gentoo-dev 2014-08-29 05:31:50 UTC
(In reply to Marko Weber Bürgermeister from comment #2)
> After upgrading to sys-fs/lvm2-2.02.109......
> 
> my lvm partitions was not mounted...ufff
> Ahh, okay i see - i added use_lvmetad =1 to lvm.conf, reboot AHHH
> all is fine again

'use_lvmetad = 1' was used as default configuration for systemd users since 2.02.108'ish, but now it's also used for non-systemd users starting with 2.02.110

Does 2.02.110 solve everything you are experiencing?
Comment 4 Samuli Suominen (RETIRED) gentoo-dev 2014-08-29 05:32:52 UTC
*** Bug 521350 has been marked as a duplicate of this bug. ***
Comment 5 Marko Weber Bürgermeister 2014-08-29 15:07:49 UTC
(In reply to Samuli Suominen from comment #3)
> (In reply to Marko Weber Bürgermeister from comment #2)
> > After upgrading to sys-fs/lvm2-2.02.109......
> > 
> > my lvm partitions was not mounted...ufff
> > Ahh, okay i see - i added use_lvmetad =1 to lvm.conf, reboot AHHH
> > all is fine again
> 
> 'use_lvmetad = 1' was used as default configuration for systemd users since
> 2.02.108'ish, but now it's also used for non-systemd users starting with
> 2.02.110
> 
> Does 2.02.110 solve everything you are experiencing?


Hello,

all fine with 2.02.110.
pvdisplay
vgdisplay
lvdisplay
works now without error.

marko
Comment 6 Norman Back 2014-08-29 18:53:29 UTC
I've tried 2.02.110, it is an improvement, in that pvs vgs & lvs are found but I still get an error in /var/log/rc.log

* Starting lvmetad ...
 [ ok ]
 * Setting up the Logical Volume Manager ...
  /run/lvm/lvmetad.socket: connect failed: No such file or directory
  WARNING: Failed to connect to lvmetad. Falling back to internal scanning.
 [ ok ]
Comment 7 Norman Back 2014-08-29 19:06:23 UTC
Created attachment 383930 [details]
rc.log