i try to build OCFS2 cluster in UML.
i use ocfs2-tools-1.2.2 package to this project. i was setting like
following in chapter 12 USER MODE LINUX book.
i use kernel 2.6.24 and 2.6.25 as sources kernel UML
1. start build OCFS2 as modules kernel,
linux-2.6.24# make modules_install INSTALL_MOD_PATH=../rootfs
INSTALL crypto/crypto_hash.ko
INSTALL crypto/hmac.ko
INSTALL crypto/sha1_generic.ko
INSTALL drivers/block/nbd.ko
INSTALL drivers/net/dummy.ko
INSTALL drivers/net/ppp_generic.ko
INSTALL drivers/net/slhc.ko
INSTALL drivers/net/slip.ko
INSTALL fs/autofs/autofs.ko
INSTALL fs/autofs4/autofs4.ko
INSTALL fs/binfmt_misc.ko
INSTALL fs/configfs/configfs.ko
INSTALL fs/dlm/dlm.ko
INSTALL fs/gfs2/gfs2.ko
INSTALL fs/gfs2/locking/dlm/lock_dlm.ko
INSTALL fs/gfs2/locking/nolock/lock_nolock.ko
INSTALL fs/ocfs2/cluster/ocfs2_nodemanager.ko
INSTALL fs/ocfs2/dlm/ocfs2_dlm.ko
INSTALL fs/ocfs2/dlm/ocfs2_dlmfs.ko
INSTALL fs/ocfs2/ocfs2.ko
INSTALL net/sctp/sctp.ko
DEPMOD 2.6.24
same process i build OCFS2 as modules kernel to source kernel 2.6.25.
i run the 2 kernel UML like this
./linux ubd0=FestyFawn-i386-rootfs root=/dev/ubda eth0=tuntap,uml-conn0
mem=128M
./linux ubd0=../FestyFawn-i386-rootfs root=/dev/ubda
eth0=tuntap,uml-conn1 mem=128M
2. configure ocfs2-tools-1.2.2 package in UML
before i run this step, i was upgrade my root filesystem to Ubuntu 8.04
HardyHeron and then i configure ocfs2-tools-1.2.2 package
r...@none:/usr/local/ocfs2-tools-1.2.2# ./configure
3. i start ocfs2-tools-1.2.2 package with load necessary modules.
r...@none:/usr/local/ocfs2-tools-1.2.2#./vendor/common/o2cb.init load
Loading module “configfs”: OK
Mounting configfs filesystem at /sys/kernel/config: OK
Loading module “ocfs2_nodemanager”: OK
Loading module “ocfs2_dlm”: OK
Loading module “ocfs2_dlmfs”: OK
Mounting ocfs2_dlmfs filesystem at /dlm: OK
4. i copy file cluster.conf to /etc/ocfs2/.
r...@none:/usr/local/ocfs2-tools-1.2.2#cat /etc/ocfs/cluster.conf
node:
ip_port = 7777
ip_address = 192.168.0.112
number = 0
name = node0
cluster = ocfs2
node:
ip_port = 7777
ip_address = 192.168.0.116
number = 0
name = node1
cluster = ocfs2
cluster:
node_count = 0
name = ocfs2
5. i setting hostname and ip address to
UML0# hostname node0
UML1# hostname node1
then i restart both UMLs
6. then i run command on host system to setup filesystem to shared device.
host_system$ dd if=/dev/zero of=ocfs seek=$[ 100 * 1024 ] bs=1K count=1
host_system# uml_mconsole dxhcF8 config ubdbc=ocfs
where dxhcF8 is umid
in UML file /dev seen like this
r...@node0:# ls -l /dev/ubd*
/ubda /ubdb /urandom
7. after all process above , i have problem when i try to online OCFS2
r...@node0:/usr/local/ocfs2-tools-1.2.2#./vendor/common/o2cb.init online
ocfs2
Starting O2CB cluster ocfs2: Failed
./vendor/common/o2cb.init: line 629: o2cb_ctl: command not found
Stopping O2CB cluster ocfs2: Failed
./vendor/common/o2cb.init: line 652: o2cb_ctl: command not found
i was check the file o2cb.init
what happen about that failed ?? maybe i was missing one step to finish
setup OCFS2 in UML.
any one can give me advice and explain about failed to online OCFS2 cluster.
thanks.
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