[Linux-cluster] Need help for Clustered NFS
JACOB_LIBERMAN at Dell.com
JACOB_LIBERMAN at Dell.com
Wed Jul 20 16:44:33 UTC 2005
You need to start the clustering services on the 2nd node so it can join
the cluster. Otherwise it wont be able to access the disk protected by
the cluster services on node1. the cluster service controllers when and
whether the shared disk resources get mounted by a cluster host.
Thanks, jacob
> -----Original Message-----
> From: linux-cluster-bounces at redhat.com
> [mailto:linux-cluster-bounces at redhat.com] On Behalf Of haydar Ali
> Sent: Wednesday, July 20, 2005 9:11 AM
> To: linux-cluster at redhat.com
> Subject: [Linux-cluster] Need help for Clustered NFS
>
> Hi,
>
> I want to setup and configure clustered NFS.
> I have created 2 quorum partitions /dev/sdd2 and /dev/sdd3
> (100MB each) and formatted them
>
> mkfs -t ext2 -b 4096 /dev/sdd2
> mkfs -t ext2 -b 4096 /dev/sdd3
>
> I created another huge partition /dev/sdd4 (over 600GB) and
> formatted it in
> ext3 filesystem.
>
> I installed the cluster suite on the 1st node (RAC1) and I
> started the rawdevices on the two nodes RAC1 and RAC2 (it's OK).
>
> This the hosts file /etc/host on the node1 (RAC1)
>
> # Do not remove the following line, or various programs #
> that require network functionality will fail.
> 127.0.0.1 localhost.localdomain localhost
> #
> # Private hostnames
> #
> 192.168.253.3 rac1.domain.net rac1
> 192.168.253.4 rac2.domain.net rac2
> 192.168.253.10 rac1
> #
> # Hostnames used for Interconnect
> #
> 1.1.1.1 rac1i.domain.net rac1i
> 1.1.1.2 rac2i.domain.net rac2i
> #
> -----------------------
>
>
> I launched the command cluconfig and it generated
> /etc/cluster.conf, you can list its content:
>
> -------------------------------
> This file is automatically generated. Do not manually edit!
>
> [cluhbd]
> logLevel = 4
>
> [clupowerd]
> logLevel = 4
>
> [cluquorumd]
> logLevel = 4
>
> [cluster]
> alias_ip = 192.168.253.10
> name = project
> timestamp = 1121804245
>
> [clusvcmgrd]
> logLevel = 4
>
> [database]
> version = 2.0
>
> [members]
> start member0
> start chan0
> name = rac1
> type = net
> end chan0
> id = 0
> name = rac1
> powerSwitchIPaddr = rac1
> powerSwitchPortName = unused
> quorumPartitionPrimary = /dev/raw/raw1
> quorumPartitionShadow = /dev/raw/raw2
> end member0
> start member1
> start chan0
> name = rac2
> type = net
> end chan0
> id = 1
> name = rac2
> powerSwitchIPaddr = rac2
> powerSwitchPortName = unused
> quorumPartitionPrimary = /dev/raw/raw1
> quorumPartitionShadow = /dev/raw/raw2
> end member1
>
> [powercontrollers]
> start powercontroller0
> IPaddr = rac1
> login = unused
> passwd = unused
> type = null
> end powercontroller0
> start powercontroller1
> IPaddr = rac2
> login = unused
> passwd = unused
> type = null
> end powercontroller1
>
> [services]
> start service0
> checkInterval = 30
> start device0
> start mount
> start NFSexports
> start directory0
> start client0
> name = rac1
> options = rw
> end client0
> name = /u04
> end directory0
> end NFSexports
> forceUnmount = yes
> fstype = ext3
> name = /u04
> options = rw,nosuid,sync
> end mount
> name = /dev/sdd4
> sharename = None
> end device0
> name = nfs_project
> preferredNode = rac2
> relocateOnPreferredNodeBoot = yes
> end service0
> ------------------------------------
>
> I created a NFS share on /u04 using the following command cluadmin
>
> [root at rac1 root]# cluadmin
> Wed Jul 20 10:02:20 EDT 2005
>
> You can obtain help by entering help and one of the following
> commands:
>
> cluster service clear
> help apropos exit
> version quit
> cluadmin> service show
> 1) state
> 2) config
> 3) services
> service show what? 2
> 0) nfs_project
> c) cancel
>
> Choose service: 0
> name: nfs_project
> preferred node: rac2
> relocate: yes
> monitor interval: 30
> device 0: /dev/sdd4
> mount point, device 0: /u04
> mount fstype, device 0: ext3
> mount options, device 0: rw,nosuid,sync
> force unmount, device 0: yes
> samba share, device 0: None
> NFS export 0: /u04
> Client 0: rac1, rw
> cluadmin> service show state
> ========================= S e r v i c e S t a t u s
> ========================
>
> Last
> Monitor Restart
> Service Status Owner Transition
> Interval Count
> -------------- -------- -------------- ----------------
> -------- -------
> nfs_project started rac1 16:21:23 Jul 19 30 1
> cluadmin>
>
>
> And when I launched clustat, I expected this error message:
>
> clustat
> Cluster Status Monitor (Fileserver Test Cluster)
> 07:46:05
> Cluster alias: rac1
>
> ===================== M e m b e r S t a t u s ================
> Member Status Node Id Power Switch
> -------------- ---------- ---------- ------------
> rac1 Up 0 Good
> rac2 Down 1 Unknown
>
> =================== H e a r t b e a t S t a t u s ===============
> Name Type Status
> ------------------------------ ---------- ------------
> rac1 <--> rac2 network OFFLINE
>
> =================== S e r v i c e S t a t u s ==================
> Last
> Monitor Restart
> Service Status Owner Transition Interval Count
>
> ------------- -------- ------------- ---------------- ------------
> nfs_project started rac1 16:07:42 Jul 19
> 30
> 0
>
>
>
> And when I launched this command on RAC2:
> mount -t nfs rac1:/u04 /u04
> It list the following error message :
> Mount: rac1:/u04 failed, reason given by server: Permission denied
>
> Can someone help me to fix this problem in this configuration?
>
> Thanks
>
> Cheers!
>
> Haydar
>
>
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