[Linux-cluster] falied to implement HA-LVM with clvmd rhcs5.6

שלום קלמר sklemer at gmail.com
Thu Feb 3 10:38:54 UTC 2011


On Thu, Feb 3, 2011 at 12:35 PM, שלום קלמר <sklemer at gmail.com> wrote:

>
> https://access.redhat.com/kb/docs/DOC-3068
>
>
> On Thu, Feb 3, 2011 at 11:13 AM, Corey Kovacs <corey.kovacs at gmail.com>wrote:
>
>> Is using ha-lvm with clvmd a new capability? It's always been my
>> understanding that the lvm locking type for using ha-lvm had to be set
>> to '1'.
>>
>> I'd much rather be using clvmd if it is the way to go. Can you point
>> me to the docs you are seeing these instructions in please?
>>
>> As for why your config isn't working, clvmd requires that it's
>> resources are indeed tagged as cluster volumes, so you might try doing
>> that and see how it goes.
>>
>> -C
>>
>> On Thu, Feb 3, 2011 at 7:26 AM, שלום קלמר <sklemer at gmail.com> wrote:
>> > Hello.
>> >
>> >
>> >
>> > I followed redhat instruction trying install HA-LVM with clvmd. ( rhcs
>> 5.6 -
>> > rgmanager 2.0.52-9 )
>> >
>> >
>> >
>> > I can't make it work.
>> >
>> >
>> >
>> > lvm.conf- locking_type=3
>> >
>> > clvmd work
>> >
>> > Its failed saying HA-LVM is not configured correctly.
>> >
>> > The manual said that we should run "lvchange -a n lvxx" edit the
>> > cluster.conf & start the service.
>> >
>> >
>> >
>> > But From lvm.conf :
>> >
>> >
>> >
>> > case $1 in
>> >
>> > start)
>> >
>> >         if ! [[ $(vgs -o attr --noheadings $OCF_RESKEY_vg_name) =~
>> .....c
>> > ]]; then
>> >
>> >                 ha_lvm_proper_setup_check || exit 1
>> >
>> >
>> >
>> > If the vg is not taged as cluster than the ha_lvm is looking for
>> volume_list
>> > in lvm.conf.
>> >
>> >
>> >
>> > I am confused- Does the VG should taged as cluster ??  ( BTW - the old
>> > fashion HA-LVM is worked with no problems )
>> >
>> > redhat instructions :
>> >
>> > To set up HA LVM Failover (using the preferred CLVM variant), perform
>> the
>> > following steps:
>> >
>> >
>> >
>> > 1. Ensure that the parameter locking_type in the global section
>> > of /etc/lvm/lvm.conf is set to the value '3', that all the necessary LVM
>> > cluster packages are installed, and the necessary daemons are started
>> (like
>> > 'clvmd' and the cluster mirror log daemon - if necessary).
>> >
>> >
>> >
>> > 2. Create the logical volume and filesystem using standard LVM2 and file
>> > system commands. For example:
>> >
>> > # pvcreate /dev/sd[cde]1
>> >
>> >  # vgcreate <volume group name> /dev/sd[cde]1
>> >
>> >  # lvcreate -L 10G -n <logical volume name> <volume group name>
>> >
>> >  # mkfs.ext3 /dev/<volume group name>/<logical volume name>
>> >
>> >  # lvchange -an <volume group name>/<logical volume name>
>> >
>> >
>> >
>> > 3. Edit /etc/cluster/cluster.conf to include the newly created logical
>> > volume as a resource in one of your services. Alternatively,
>> configuration
>> > tools such as Conga or system-config-cluster may be used to create these
>> > entries.  Below is a sample resource manager section
>> > from /etc/cluster/cluster.conf:
>> >
>> >
>> >
>> > <rm>      <failoverdomains>        <failoverdomain name="FD" ordered="1"
>> > restricted="0">           <failoverdomainnode name="neo-01"
>> priority="1"/>
>> >           <failoverdomainnode name="neo-02" priority="2"/>
>> > </failoverdomain>    </failoverdomains>    <resources>        <lvm
>> > name="lvm" vg_name="shared_vg" lv_name="ha-lv"/>        <fs name="FS"
>> > device="/dev/shared_vg/ha-lv" force_fsck="0" force_unmount="1"
>> fsid="64050"
>> > fstype="ext3" mountpoint="/mnt" options="" self_fence="0"/>
>> </resources>
>> >    <service autostart="1" domain="FD" name="serv" recovery="relocate">
>> >        <lvm ref="lvm"/>        <fs ref="FS"/>    </service> </rm>
>> >
>> >
>> >
>> > Regards
>> >
>> > Shalom.
>> >
>> >
>> >
>> > --
>> > Linux-cluster mailing list
>> > Linux-cluster at redhat.com
>> > https://www.redhat.com/mailman/listinfo/linux-cluster
>> >
>>
>> --
>> Linux-cluster mailing list
>> Linux-cluster at redhat.com
>> https://www.redhat.com/mailman/listinfo/linux-cluster
>
>
>
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