Public bug reported:
I believe there are benefits of having a separate /var partition,
unfortunately having bonding-configured network start up with the OS is
not one of them. Or atleast not in a timely fashion.
I've done this experiment on two identical hp bl460c g1 blades, only
difference was the partitioning scheme.
Here's the identical /etc/network/interfaces
# The loopback network interface
auto lo
iface lo inet loopback
# The badass network interface
auto bond0
iface bond0 inet dhcp
bond-slaves none
bond-mode 1
bond-miimon 100
# The primary network interface
auto eth0
iface eth0 inet manual
bond-master bond0
bond-primary eth0 eth1
# The secondary network interface
auto eth1
iface eth1 inet manual
bond-master bond0
bond-primary eth0 eth1
--- System 1 (all in one /)
user@s6:~$ cat /proc/partitions
major minor #blocks name
104 0 71652960 cciss/c0d0
104 1 498688 cciss/c0d0p1 # /boot
104 2 3906560 cciss/c0d0p2 # swap
104 3 67246080 cciss/c0d0p3 # /
dmesg snippet
[ 14.193012] bonding: Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
[ 14.193018] bonding: Warning: either miimon or arp_interval and arp_ip_target
[ 14.199096] bonding: bond0: Adding slave eth0.
[ 14.200677] bnx2 0000:03:00.0: irq 42 for MSI/MSI-X
[ 14.221628] bonding: bond0: Setting MII monitoring interval to 100.
[ 14.272860] bnx2 0000:03:00.0: eth0: using MSI
[ 14.274190] bonding: bond0: enslaving eth0 as an active interface with a down
[ 14.275050] bonding: bond0: setting mode to active-backup (1).
[ 14.277050] bonding: bond0: Setting eth0 as primary slave.
[ 14.277407] bonding: bond0: Adding slave eth1.
[ 14.280579] bnx2 0000:07:00.0: irq 43 for MSI/MSI-X
[ 14.309899] bnx2 0000:03:00.0: eth0: NIC SerDes Link is Up, 1000 Mbps full du
[ 14.364853] bnx2 0000:07:00.0: eth1: using MSI
[ 14.366436] bonding: bond0: enslaving eth1 as a backup interface with a down
[ 14.368132] ADDRCONF(NETDEV_UP): bond0: link is not ready
[ 14.368148] bonding: bond0: link status definitely up for interface eth0, 100
[ 14.368155] bonding: bond0: making interface eth0 the new active one.
[ 14.368194] bonding: bond0: first active interface up!
[ 14.371073] ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 14.371573] bonding: bond0: Setting eth0 as primary slave.
--- System 2 (separate /var)
user@s7:~$ cat /proc/partitions
major minor #blocks name
104 0 71652960 cciss/c0d0
104 1 498688 cciss/c0d0p1 # /boot
104 2 7812096 cciss/c0d0p2 # /
104 3 3906560 cciss/c0d0p3 # swap
104 4 59433984 cciss/c0d0p4 # /var
dmesg snippet
[ 10.292235] bonding: Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
[ 10.292241] bonding: Warning: either miimon or arp_interval and arp_ip_target
[ 10.295027] bonding: bond0: Setting MII monitoring interval to 100.
[ 10.297930] bonding: bond0: setting mode to active-backup (1).
[ 372.551921] bonding: bond0: Adding slave eth0.
[ 372.553329] bnx2 0000:03:00.0: irq 42 for MSI/MSI-X
[ 372.640011] bnx2 0000:03:00.0: eth0: using MSI
[ 372.641288] bonding: bond0: enslaving eth0 as a backup interface with a down
[ 372.646658] bonding: bond0: Setting eth0 as primary slave.
[ 372.662081] bnx2 0000:03:00.0: eth0: NIC SerDes Link is Up, 1000 Mbps full du
[ 372.696026] bonding: bond0: link status definitely up for interface eth0, 100
[ 372.696033] bonding: bond0: making interface eth0 the new active one.
[ 372.696087] bonding: bond0: first active interface up!
[ 372.697349] ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 372.730648] bonding: bond0: Adding slave eth1.
[ 372.733831] bnx2 0000:07:00.0: irq 43 for MSI/MSI-X
[ 372.832014] bnx2 0000:07:00.0: eth1: using MSI
[ 372.833286] bonding: bond0: enslaving eth1 as a backup interface with a down
[ 372.837525] bonding: bond0: Setting eth0 as primary slave.
** Affects: ifenslave-2.6 (Ubuntu)
Importance: Undecided
Status: New
** Tags: bonding partition
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https://bugs.launchpad.net/bugs/924513
Title:
network with bonding does not start on ubuntu with separate /var
partition
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