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[kernel] Problème de détection du système RAID
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sylvain.bonnemaison
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PostPosted: Fri Sep 02, 2011 7:41 am    Post subject: [kernel] Problème de détection du système RAID Reply with quote

Bonjour,

J'utilise mdadm 3.1.4.

Lorsque j'utilise le noyau 2.6.39, j'ai une erreur au boot qui indique que la partition /dev/md/3_00 n'est pas un point de montage racine. Quel est la cause de ce problème ?

Pour quelle raison mdadm utilise /dev/md/3_00 alors que jusque là il utilisait /dev/md3 ?

Dois-je modifier le fichier /etc/mdadm.conf lequel référence /dev/md3 ? Je ne souhaite pas faire de changement sans être certains du résultat sinon je risque de ne plus pouvoir utiliser le kernel actuel.

Merci
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DuF
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PostPosted: Fri Sep 02, 2011 11:32 pm    Post subject: Reply with quote

Bonjour,

Histoire d'être sûr, le problème se produit-il seulement avec le noyau 2.6.39 ? Cela a-t-il déjà fonctionné auparavant avec le noyau 2.6.39 ?

Quelle version de mdadm utilises-tu ?

Quand tu boot sur le 2.6.39, peux-tu voir ce qu'il te présente pour /dev/md* ?

Cdt,
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sylvain.bonnemaison
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PostPosted: Sat Sep 03, 2011 6:11 am    Post subject: Reply with quote

Cela se produit uniquement avec le noyau 2.6.39.

La version installée est mdadm-3.1.4.

Il ya une différence sur le /dev/md. Avec le kernel 2.6.38, le système affiche /dev/md3. Avec le kernel 2.6.38, le système affiche /dev/md/3_00.
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netfab
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PostPosted: Sat Sep 03, 2011 10:11 am    Post subject: Reply with quote

Donne ton emerge --info, tu utilises genkernel ?
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sylvain.bonnemaison
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PostPosted: Sun Sep 04, 2011 8:09 pm    Post subject: Reply with quote

J'utilise genkernel-3.4.16. Voici la configuration du système:
Quote:
Portage 2.1.10.11 (default/linux/amd64/10.0/desktop/gnome, gcc-4.4.5, glibc-2.12.2-r0, 2.6.38-gentoo-r6 x86_64)
=================================================================
System uname: Linux-2.6.38-gentoo-r6-x86_64-Intel-R-_Core-TM-_i7_CPU_860_@_2.80GHz-with-gentoo-2.0.3
Timestamp of tree: Fri, 02 Sep 2011 06:45:01 +0000
app-shells/bash: 4.1_p9
dev-java/java-config: 2.1.11-r3
dev-lang/python: 2.7.1-r1, 3.1.3-r1
dev-util/cmake: 2.8.4-r1
dev-util/pkgconfig: 0.26
sys-apps/baselayout: 2.0.3
sys-apps/openrc: 0.9.1
sys-apps/sandbox: 2.4
sys-devel/autoconf: 2.13, 2.68
sys-devel/automake: 1.9.6-r3, 1.10.3, 1.11.1
sys-devel/binutils: 2.21.1-r1
sys-devel/gcc: 4.4.5
sys-devel/gcc-config: 1.4.1-r1
sys-devel/libtool: 2.4-r1
sys-devel/make: 3.82-r1
sys-kernel/linux-headers: 2.6.36.1 (virtual/os-headers)
sys-libs/glibc: 2.12.2
Repositories: gentoo sunrise zugaina bazaar x-portage
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=native -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt /usr/share/maven-bin-2.2/conf /usr/share/openvpn/easy-rsa /var/lib/hsqldb"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.3/ext-active/ /etc/php/cgi-php5.3/ext-active/ /etc/php/cli-php5.3/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-O2 -march=native -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests binpkg-logs distlocks ebuild-locks fixlafiles fixpackages news parallel-fetch protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="ftp://ftp.free.fr/mirrors/ftp.gentoo.org http://mirror.ovh.net/gentoo-distfiles http://gentoo.osuosl.org http://distfiles.gentoo.org http://www.ibiblio.org/pub/Linux/distributions/gentoo"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="fr en"
MAKEOPTS="-j9"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/var/lib/layman/sunrise /var/lib/layman/zugaina /var/lib/layman/bazaar /usr/local/portage"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="7zip X a52 aac acl acpi alsa amd64 avahi berkdb bluetooth branding bzip2 cairo cdda cdr cli consolekit cracklib crypt cups cxx dbus dmraid dri dts dvd dvdr emboss encode evo exif fam ffmpeg firefox flac gdbm gdu gif gnome gnome-keyring gnutls gpm gstreamer gtk http iconv iproute2 ipsec ipv6 java java6 jpeg lcms ldap libnotify mad mdadm mmx mng modules mp3 mp4 mpeg mudflap multilib nautilus ncurses networkmanager nls nptl nptlonly nsplugin ntfs nvidia ogg opengl openmp openssh openssl osc oss pam pango pcre pdf perl png policykit ppds pppd python qt3support qt4 readline sdl session spell sse sse2 ssl startup-notification svg sysfs tcpd tiff truetype ttf udev unicode usb v4l v4l2 virtualbox vorbis wmf x264 xcb xml xorg xulrunner xv xvid zlib" 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" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" 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 ubx" INPUT_DEVICES="evdev keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="fr en" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" SANE_BACKENDS="pixma" USERLAND="GNU" VIDEO_CARDS="nvidia v4l vesa" 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, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
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netfab
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PostPosted: Mon Sep 05, 2011 9:33 am    Post subject: Reply with quote

sylvain.bonnemaison wrote:
J'utilise genkernel-3.4.16.

Cela me fait donc penser au bug #372567 (sans en être certain).
Edit : je vais tout de même citer la chose qui me paraît intéressante :
Quote:

Also, autodetect *should* create sane defaults. The problem here is that
upstream has gone from having a somewhat persistant /dev/md* to a somewhat
persistant /dev/md/* instead. And they really urge people to use
/dev/md/<name>, LABEL or UUID when addressing or mounting a raid, as a dynamic
/dev has to much troubles with everything else.

Je n'utilise pas genkernel et tout roule ici avec mdadm 3.1.4.
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