On Tue, Sep 4, 2012 at 1:04 PM, Fabio M. Di Nitto <fdini...@redhat.com>wrote:
> On 09/04/2012 05:01 PM, Terry wrote: > > Hello, > > > > I am running an NFS cluster with 3 exports distributed across 2 nodes. > > When I try to relocate an NFS export, it fails. I then have to disable > > and enable it on the other node. Does anyone have any tricks to get > > around this issue? I am sure it is due to file locking. Here's the > config: > > This is a difficult config to support because of some design limitations > in nfsd and what cluster users expect (exactly your config). > > My best guess is that the service fails to relocate because the fs > cannot be unmounted. > > If so, you need to add force_unmount="1" to the fs resources. > > If that still doesn't fix the problem, you need to upgrade to a version > of the resource-agents that support nfsrestart="1" for fs resource. > This depends on what distro/release you have. nfsrestart does a much > harder (invasive) action to drop the locks holding the fs. Still > requires force_unmount to be set. It can be used together with nfslock > (if nfslock fails, then nfsrestart will kick in). > > Fabio > > > > > /<?xml version="1.0" ?>/ > > > > /<cluster config_version="17" name="omadvnfs01">/ > > > > / <cman expected_votes="1" two_node="1"/>/ > > > > / <clusternodes>/ > > > > / <clusternode name="omadvnfs01a.sec.jel.lc > > <http://omadvnfs01a.sec.jel.lc>" nodeid="1" votes="1">/ > > > > / <fence>/ > > > > / <method name="drac">/ > > > > / <device > > name="omadvnfs01a-drac"/>/ > > > > / </method>/ > > > > / </fence>/ > > > > / </clusternode>/ > > > > / <clusternode name="omadvnfs01b.sec.jel.lc > > <http://omadvnfs01b.sec.jel.lc>" nodeid="2" votes="1">/ > > > > / <fence>/ > > > > / <method name="drac">/ > > > > / <device > > name="omadvnfs01b-drac"/>/ > > > > / </method>/ > > > > / </fence>/ > > > > / </clusternode>/ > > > > / </clusternodes>/ > > > > / <rm>/ > > > > / <failoverdomains>/ > > > > / <failoverdomain name="fd_omadvnfs01a" > > ordered="1" restricted="0" nofailback="1">/ > > > > / <failoverdomainnode > > name="omadvnfs01a.sec.jel.lc <http://omadvnfs01a.sec.jel.lc>" > > priority="1"/>/ > > > > / <failoverdomainnode > > name="omadvnfs01b.sec.jel.lc <http://omadvnfs01b.sec.jel.lc>" > > priority="2"/>/ > > > > / </failoverdomain>/ > > > > / <failoverdomain name="fd_omadvnfs01b" > > ordered="1" restricted="0" nofailback="1">/ > > > > / <failoverdomainnode > > name="omadvnfs01b.sec.jel.lc <http://omadvnfs01b.sec.jel.lc>" > > priority="1"/>/ > > > > / <failoverdomainnode > > name="omadvnfs01a.sec.jel.lc <http://omadvnfs01a.sec.jel.lc>" > > priority="2"/>/ > > > > / </failoverdomain>/ > > > > / </failoverdomains>/ > > > > / <resources>/ > > > > / <ip address="10.198.1.112" > > monitor_link="1"/>/ > > > > / <ip address="10.198.1.113" > > monitor_link="1"/>/ > > > > / <ip address="10.198.1.114" > > monitor_link="1"/>/ > > > > / <ip address="10.198.1.115" > > monitor_link="1"/>/ > > > > / <fs device="/dev/vg_data01a/lv_data01a" > > quick_status="0" force_fsck="0" force_unmount="1" fsid="27014" > > fstype="ext4" mountpoint="/data01a" name="omadvnfs01-data01a" > > options="rw,noatime,nodiratime,data=writeback,commit=30,_netdev" > > self_fence="0" nfslock="1"/>/ > > > > / <fs device="/dev/vg_data01b/lv_data01b" > > quick_status="0" force_fsck="0" force_unmount="1" fsid="39436" > > fstype="ext4" mountpoint="/data01b" name="omadvnfs01-data01b" > > options="rw,noatime,nodiratime,data=writeback,commit=30,_netdev" > > self_fence="0" nfslock="1"/>/ > > > > / <fs device="/dev/vg_data01c/lv_data01c" > > quick_status="0" force_fsck="0" force_unmount="1" fsid="99243" > > fstype="ext4" mountpoint="/data01c" name="omadvnfs01-data01c" > > options="rw,noatime,nodiratime,data=writeback,commit=30,_netdev" > > self_fence="0" nfslock="1"/>/ > > > > / <fs device="/dev/vg_data04/lv_data04" > > quick_status="0" force_fsck="0" force_unmount="1" fsid="59016" > > fstype="ext4" mountpoint="/data04" name="omadvnfs01-data04" > > options="defaults,_netdev" self_fence="0"/>/ > > > > / <script file="/etc/init.d/postgresql" > > name="postgresql"/>/ > > > > / <nfsexport name="data01a"/>/ > > > > / <nfsexport name="data01b"/>/ > > > > / <nfsexport name="data01c"/>/ > > > > / <nfsclient allow_recover="1" > > name="omadvdss01a" > > options="async,no_root_squash,rw,no_subtree_check" > > target="omadvdss01a"/>/ > > > > / <nfsclient allow_recover="1" > > name="omadvdss01b" > > options="async,no_root_squash,rw,no_subtree_check" > > target="omadvdss01b"/>/ > > > > / <nfsclient allow_recover="1" > > name="omadvdss01c" > > options="async,no_root_squash,rw,no_subtree_check" > > target="omadvdss01c"/>/ > > > > / </resources>/ > > > > / <service autostart="1" domain="fd_omadvnfs01b" > > name="postgresql">/ > > > > / <ip ref="10.198.1.112"/>/ > > > > / <fs ref="omadvnfs01-data04"/>/ > > > > / <script ref="postgresql"/>/ > > > > / </service>/ > > > > / <service domain="fd_omadvnfs01a" > > name="omadvnfs01-nfs-data01a" nfslock="1" recovery="relocate">/ > > > > / <ip ref="10.198.1.113"/>/ > > > > / <fs ref="omadvnfs01-data01a">/ > > > > / <nfsexport ref="data01a">/ > > > > / <nfsclient > > ref="omadvdss01a"/>/ > > > > / <nfsclient > > ref="omadvdss01b"/>/ > > > > / <nfsclient > > ref="omadvdss01c"/>/ > > > > / </nfsexport>/ > > > > / </fs>/ > > > > / </service>/ > > > > / <service domain="fd_omadvnfs01a" > > name="omadvnfs01-nfs-data01b" nfslock="1" recovery="relocate">/ > > > > / <ip ref="10.198.1.114"/>/ > > > > / <fs ref="omadvnfs01-data01b">/ > > > > / <nfsexport ref="data01b">/ > > > > / <nfsclient > > ref="omadvdss01a"/>/ > > > > / <nfsclient > > ref="omadvdss01b"/>/ > > > > / <nfsclient > > ref="omadvdss01c"/>/ > > > > / </nfsexport>/ > > > > / </fs>/ > > > > / </service>/ > > > > / <service domain="fd_omadvnfs01b" > > name="omadvnfs01-nfs-data01c" nfslock="1" recovery="relocate">/ > > > > / <ip ref="10.198.1.115"/>/ > > > > / <fs ref="omadvnfs01-data01c">/ > > > > / <nfsexport ref="data01c">/ > > > > / <nfsclient > > ref="omadvdss01a"/>/ > > > > / <nfsclient > > ref="omadvdss01b"/>/ > > > > / <nfsclient > > ref="omadvdss01c"/>/ > > > > / </nfsexport>/ > > > > / </fs>/ > > > > / </service>/ > > > > / </rm>/ > > > > /</cluster>/ > > > > > > > > I am on ubuntu 12.04.
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