blob: b8133caf9c3ffd61caa210c603dae1d54ec384b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#!/bin/sh
echo Starting /init script ...
PATH=/sbin:/usr/sbin:/bin:/usr/bin
export PATH
mkdir -p /sysroot
mount -t proc /proc /proc
mount -t sysfs /sys /sys
if [ ! -L /etc/init.d/udev -a -x /etc/init.d/udev ]; then
if type service >/dev/null 2>&1; then
service udev start
else
/etc/init.d/udev start
fi
elif [ -x /sbin/start_udev ] && /sbin/start_udev; then
:
elif [ -x /sbin/udevd ]; then
echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug
/sbin/udevd --daemon
/sbin/udevadm trigger
/sbin/udevadm settle --timeout=10
else
echo No udev, creating /dev manually
mount -t tmpfs none /dev
mkdir /dev/pts /dev/shm /dev/mapper
mount -t devpts -o gid=5,mode=620 /dev/pts /dev/pts
# Must do each MAKEDEV individually, because if one device fails,
# MAKEDEV will quit without creating the rest (RHBZ#507374).
for dev in mem null port zero core full ram tty console fd \
hda hdb hdc hdd sda sdb sdc sdd loop sd; do
MAKEDEV $dev ||:
done
mknod /dev/ptmx c 5 2; chmod 0666 /dev/ptmx
mknod /dev/random c 1 8; chmod 0666 /dev/random
mknod /dev/urandom c 1 9; chmod 0444 /dev/urandom
ln -sf /proc/self/fd/0 /dev/stdin
ln -sf /proc/self/fd/1 /dev/stdout
ln -sf /proc/self/fd/2 /dev/stderr
modprobe virtio_pci
modprobe virtio_net
fi
if grep -sq selinux=1 /proc/cmdline; then
mount -t selinuxfs none /selinux
fi
# Update the system clock.
hwclock -u -s
# Set up the network.
ifconfig lo 127.0.0.1
ifconfig eth0 169.254.2.10
route add default gw 169.254.2.2
# Scan for LVM.
modprobe dm_mod ||:
lvm vgscan --ignorelockingfailure
lvm vgchange -ay --ignorelockingfailure
# Improve virtio-blk performance (RHBZ#509383).
for f in /sys/block/vd*/queue/rotational; do echo 1 > $f; done
# http://kbase.redhat.com/faq/docs/DOC-5428
for f in /sys/block/[hsv]d*/queue/scheduler; do echo noop > $f; done
# Keep these to enhance the usefulness of debug output.
ls -l /dev
cat /proc/mounts
lvm pvs
lvm vgs
lvm lvs
ifconfig
netstat -rn
lsmod
#hwclock -r
date
#ping -n -v -c 5 10.0.2.2
#ping -n -v -c 5 10.0.2.4
echo -n "uptime: "; cat /proc/uptime
if ! grep -sq guestfs_rescue=1 /proc/cmdline; then
exec guestfsd -f
fi
# Use appliance in rescue mode, also used by the virt-rescue command.
eval $(grep -Eo 'TERM=[^[:space:]]+' /proc/cmdline)
PS1='><rescue> '
export TERM PS1
echo
echo "------------------------------------------------------------"
echo
echo "Welcome to virt-rescue, the libguestfs rescue shell."
echo
echo "Note: The contents of / are the rescue appliance."
echo "You have to mount the guest's partitions under /sysroot"
echo "before you can examine them."
echo
bash -i
echo
echo "virt-rescue: Syncing the disk now before exiting ..."
echo "(Don't worry if you see a 'Kernel panic' message below)"
echo
sync
sleep 1
sync
|
