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



Excellent,


Thanks

-C

On Thu, Feb 3, 2011 at 10:38 AM, שלום קלמר <sklemer gmail com> wrote:
>
>
> On Thu, Feb 3, 2011 at 12:35 PM, שלום קלמר <sklemer gmail com> wrote:
>>
>>
>>
>> https://access.redhat.com/kb/docs/DOC-3068
>>
>> On Thu, Feb 3, 2011 at 11:13 AM, Corey Kovacs <corey kovacs 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 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 redhat com
>>> > https://www.redhat.com/mailman/listinfo/linux-cluster
>>> >
>>>
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>
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