Bug#770002: initramfs-tools: the mdadm runs arrays when all disks are not yet ready.
Andrey Nikitin
andrey.d.nikitin at gmail.com
Tue Nov 18 19:38:54 UTC 2014
Package: initramfs-tools
Version: 0.116
Severity: normal
Tags: upstream
See my comments on the filtered output of dmsg bellow, please.
$ dmesg | egrep '(sd|md)'
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.16.0-4-amd64 root=UUID=a43dc4c9-5ca1-4286-973c-94e372f35323 ro rootdelay=10 quiet
....
[ 0.314745] systemd-udevd[71]: starting version 215
....
[ 0.701347] sd 0:0:0:0: [sda] 312579695 512-byte logical blocks: (160 GB/149 GiB)
[ 0.767308] sd 0:0:0:0: [sda] Attached SCSI disk
/dev/sda - ready (my root fs)
Note: rootdelay=10
[ 14.363303] systemd-udevd[189]: starting version 215
....
[ 17.321287] sd 2:0:0:0: [sdb] 781422768 512-byte logical blocks: (400 GB/372 GiB)
[ 17.334830] sd 2:0:0:0: [sdb] Attached SCSI disk
Ready 1st disk (sdb) used by mdadm.
[ 17.967843] md: md0 stopped.
[ 17.968505] md: bind<sdb1>
[ 18.000399] md: raid1 personality registered for level 1
[ 18.000789] md/raid1:md0: active with 1 out of 2 mirrors
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
mdadm run /dev/md0 with non-ready /dev/sdc (see below)
[ 18.000838] md0: detected capacity change from 0 to 98566144
[ 18.001414] md0: unknown partition table
[ 18.144290] sd 4:0:0:0: [sdc] 781422768 512-byte logical blocks: (400 GB/372 GiB)
[ 18.159480] sdc: sdc1 sdc2 sdc3 sdc4
[ 18.160150] sd 4:0:0:0: [sdc] Attached SCSI disk
Ready 2st disk (sdc) used by mdadm.
[ 18.343553] md: bind<sdb3>
[ 18.345107] md/raid1:md1: active with 1 out of 2 mirrors
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Both md's disks (sdb and sdc) are ready, but mdadm couldn't find one of them.
....
[ 18.345136] md1: detected capacity change from 0 to 393999024128
[ 18.348557] md1: unknown partition table
3st md-array (/dev/md2) run normally.
[ 18.710667] md: bind<sdc4>
[ 18.710816] md: bind<sdb4>
[ 18.711979] md/raid1:md2: active with 2 out of 2 mirrors
[ 18.712035] md2: detected capacity change from 0 to 1892745216
[ 18.714460] md2: unknown partition table
Total: 2 of 3 md's arrays runs in degraded mode.
Note: /dev/md2 with v1.2 superblock often starts in degraded mode.
-- Package-specific info:
-- initramfs sizes
-rw-r--r-- 1 root root 4.3M May 21 11:58 /boot/initrd.img-3.13-1-amd64.old-dkms
-rw-r--r-- 1 root root 4.4M Aug 2 11:28 /boot/initrd.img-3.14-1-amd64.old-dkms
-rw-r--r-- 1 root root 5.4M Oct 27 08:43 /boot/initrd.img-3.14-2-amd64.old-dkms
-rw-r--r-- 1 root root 5.6M Nov 13 17:08 /boot/initrd.img-3.16-2-amd64.old-dkms
-rw-r--r-- 1 root root 5.6M Nov 10 10:17 /boot/initrd.img-3.16-3-amd64
-rw-r--r-- 1 root root 5.6M Nov 12 10:41 /boot/initrd.img-3.16.0-4-amd64
-rw-r--r-- 1 root root 4.2M May 26 11:32 /boot/initrd.img-3.2.0-4-amd64.old-dkms
-- /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.16.0-4-amd64 root=UUID=a43dc4c9-5ca1-4286-973c-94e372f35323 ro rootdelay=10 quiet
-- resume
RESUME=UUID=abde2175-b6f2-4df6-bac1-8e132a7408de
-- /proc/filesystems
ext3
ext2
ext4
fuseblk
xfs
-- lsmod
Module Size Used by
cfg80211 405538 0
rfkill 18867 2 cfg80211
pci_stub 12429 1
vboxpci 23077 0
vboxnetadp 25443 0
vboxnetflt 23324 0
vboxdrv 340067 3 vboxnetadp,vboxnetflt,vboxpci
binfmt_misc 16949 1
nfsd 262987 2
auth_rpcgss 51211 1 nfsd
oid_registry 12419 1 auth_rpcgss
nfs_acl 12511 1 nfsd
nfs 188046 0
lockd 83389 2 nfs,nfsd
fscache 45542 1 nfs
sunrpc 237402 6 nfs,nfsd,auth_rpcgss,lockd,nfs_acl
bridge 106102 0
stp 12437 1 bridge
llc 12745 2 stp,bridge
iptable_filter 12536 1
ip_tables 26011 1 iptable_filter
x_tables 27111 2 ip_tables,iptable_filter
tun 26385 1
xfs 779874 1
crc32c_generic 12656 1
libcrc32c 12426 1 xfs
sr_mod 21903 0
cdrom 47424 1 sr_mod
hid_generic 12393 0
snd_usb_audio 135306 2
snd_usbmidi_lib 23388 1 snd_usb_audio
snd_rawmidi 26806 1 snd_usbmidi_lib
snd_seq_device 13132 1 snd_rawmidi
uvcvideo 79005 0
videobuf2_vmalloc 12816 1 uvcvideo
videobuf2_memops 12519 1 videobuf2_vmalloc
videobuf2_core 47787 1 uvcvideo
v4l2_common 12995 1 videobuf2_core
usbhid 44467 0
hid 102264 2 hid_generic,usbhid
usb_storage 56215 0
raid1 34596 3
iTCO_wdt 12831 0
iTCO_vendor_support 12649 1 iTCO_wdt
evdev 17445 20
snd_hda_codec_realtek 63031 1
snd_hda_codec_generic 63107 1 snd_hda_codec_realtek
coretemp 12820 0
nouveau 1122354 3
mxm_wmi 12515 1 nouveau
wmi 17339 2 mxm_wmi,nouveau
video 18030 1 nouveau
ttm 69670 1 nouveau
snd_hda_intel 26327 6
drm_kms_helper 49210 1 nouveau
snd_hda_controller 26727 1 snd_hda_intel
drm 249955 6 ttm,drm_kms_helper,nouveau
snd_hda_codec 104463 4 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep 13148 2 snd_usb_audio,snd_hda_codec
kvm_intel 139116 0
kvm 388635 1 kvm_intel
snd_pcm 88662 4 snd_usb_audio,snd_hda_codec,snd_hda_intel,snd_hda_controller
r8169 68262 0
i2c_algo_bit 12751 1 nouveau
pcspkr 12595 0
snd_timer 26614 1 snd_pcm
tw68 49218 0
mii 12675 1 r8169
ehci_pci 12512 0
snd 65244 27 snd_hda_codec_realtek,snd_usb_audio,snd_hwdep,snd_timer,snd_pcm,snd_rawmidi,snd_hda_codec_generic,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device
lpc_ich 20768 0
mfd_core 12601 1 lpc_ich
ahci 29195 4
libahci 27158 1 ahci
soundcore 13026 2 snd,snd_hda_codec
psmouse 98616 0
serio_raw 12849 0
i2c_i801 16965 0
sg 29973 0
uhci_hcd 43499 0
ehci_hcd 69837 1 ehci_pci
usbcore 195340 8 uhci_hcd,snd_usb_audio,uvcvideo,usb_storage,snd_usbmidi_lib,ehci_hcd,ehci_pci,usbhid
btcx_risc 12555 1 tw68
videobuf_dma_sg 17248 1 tw68
videobuf_core 21832 2 tw68,videobuf_dma_sg
atl1e 39795 0
usb_common 12440 1 usbcore
asus_atk0110 17216 0
button 12944 1 nouveau
acpi_cpufreq 17218 1
processor 28221 1 acpi_cpufreq
thermal_sys 27642 2 video,processor
v4loop 31046 0
videodev 126451 5 tw68,uvcvideo,v4l2_common,v4loop,videobuf2_core
media 18305 2 uvcvideo,videodev
i2c_core 46012 7 drm,i2c_i801,drm_kms_helper,i2c_algo_bit,v4l2_common,nouveau,videodev
loop 26605 0
fuse 83350 3
parport_pc 26300 0
ppdev 16782 0
lp 17074 0
parport 35749 3 lp,ppdev,parport_pc
autofs4 35529 2
ext4 469572 8
crc16 12343 1 ext4
mbcache 17171 1 ext4
jbd2 82413 1 ext4
dm_mod 89373 16
md_mod 107672 3 raid1
sd_mod 44356 12
crc_t10dif 12431 1 sd_mod
crct10dif_generic 12581 1
crct10dif_common 12356 2 crct10dif_generic,crc_t10dif
ata_generic 12490 0
pata_jmicron 12483 5
libata 177457 4 ahci,libahci,ata_generic,pata_jmicron
scsi_mod 191405 5 sg,usb_storage,libata,sd_mod,sr_mod
shpchp 31121 0
-- /etc/initramfs-tools/modules
-- /etc/kernel-img.conf
# Kernel image management overrides
# See kernel-img.conf(5) for details
do_symlinks = yes
do_bootloader = no
do_initrd = yes
link_in_boot = no
-- /etc/initramfs-tools/initramfs.conf
MODULES=most
BUSYBOX=y
KEYMAP=n
COMPRESS=gzip
DEVICE=
NFSROOT=auto
-- /etc/initramfs-tools/update-initramfs.conf
update_initramfs=yes
backup_initramfs=no
-- /proc/mdstat
Personalities : [raid1]
md2 : active raid1 sdb4[0] sdc4[2]
1848384 blocks super 1.2 [2/2] [UU]
md1 : active raid1 sdb3[1]
384764672 blocks [2/1] [_U]
md0 : active (auto-read-only) raid1 sdb1[1]
96256 blocks [2/1] [_U]
unused devices: <none>
-- /sys/block
dm-0
dm-1
dm-2
dm-3
dm-4
dm-5
loop0
loop1
loop2
loop3
loop4
loop5
loop6
loop7
md0
md1
md2
sda
sdb
sdc
sdd
sde
sdf
sdg
sr0
-- mkinitramfs hooks
/etc/initramfs-tools/hooks/:
/usr/share/initramfs-tools/hooks:
busybox
dmsetup
fuse
keymap
klibc
kmod
lvm2
mdadm
ntfs_3g
plymouth
resume
thermal
udev
zz-busybox
-- System Information:
Debian Release: jessie/sid
APT prefers testing-updates
APT policy: (500, 'testing-updates'), (500, 'testing'), (50, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages initramfs-tools depends on:
ii cpio 2.11+dfsg-2+b1
ii klibc-utils 2.0.4-2
ii kmod 18-3
ii module-init-tools 18-3
ii udev 215-5+b1
Versions of packages initramfs-tools recommends:
ii busybox 1:1.22.0-9+b1
Versions of packages initramfs-tools suggests:
ii bash-completion 1:2.1-4
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