[one-users] ONE 4.8 - Datastore location
Ruben S. Montero
rsmontero at opennebula.org
Thu Oct 2 04:23:39 PDT 2014
Hi
There are two configuration variables, from oned.conf
# DATASTORE_LOCATION: *Default* Path for Datastores in the hosts. It IS the
# same for all the hosts in the cluster. DATASTORE_LOCATION IS ONLY FOR THE
# HOSTS AND *NOT* THE FRONT-END. It defaults to /var/lib/one/datastores (or
# $ONE_LOCATION/var/datastores in self-contained mode)
#
# You can define a different DATASTORE_LOCATION in each cluster by updating
# its properties with onecluster update.
#
# DATASTORE_BASE_PATH: This is the base path for the SOURCE attribute of
# the images registered in a Datastore. This is a default value, that can
be
# changed when the datastore is created.
On Wed, Sep 17, 2014 at 9:50 AM, Anandharaj Subramaniam <
anandharaj.maniam at mimos.my> wrote:
> Hi,
>
>
>
> I have deleted existing default datastores (ID: 0,1,2) and created 2 new
> datastore for image and system with the base path set to NFS mount point.
> Below is the details of the new datastore.
>
>
>
> [oneadmin at server ~]$ onedatastore list
>
> ID NAME SIZE AVAIL CLUSTER IMAGES TYPE DS TM
>
> 102 ds-sys-nfs-01 50G 96% - 0 sys - shared
>
> 103 ds-img-nfs-01 1.8T 100% - 2 img fs shared
>
> [oneadmin at server ~]$ onedatastore show 102
>
> DATASTORE 102 INFORMATION
>
> ID : 102
>
> NAME : ds-sys-nfs-01
>
> USER : oneadmin
>
> GROUP : oneadmin
>
> CLUSTER : -
>
> TYPE : SYSTEM
>
> DS_MAD : -
>
> TM_MAD : shared
>
> BASE PATH : /one/datastores/102
>
> DISK_TYPE : FILE
>
>
>
> DATASTORE CAPACITY
>
> TOTAL: : 50G
>
> FREE: : 48.2G
>
> USED: : 0M
>
> LIMIT: : -
>
>
>
> PERMISSIONS
>
> OWNER : um-
>
> GROUP : u--
>
> OTHER : ---
>
>
>
> DATASTORE TEMPLATE
>
> BASE_PATH="/one/datastores/"
>
> SHARED="YES"
>
> TM_MAD="shared"
>
> TYPE="SYSTEM_DS"
>
>
>
> IMAGES
>
> [oneadmin at server ~]$ onedatastore show 103
>
> DATASTORE 103 INFORMATION
>
> ID : 103
>
> NAME : ds-img-nfs-01
>
> USER : oneadmin
>
> GROUP : oneadmin
>
> CLUSTER : -
>
> TYPE : IMAGE
>
> DS_MAD : fs
>
> TM_MAD : shared
>
> BASE PATH : /one/datastores/103
>
> DISK_TYPE : FILE
>
>
>
> DATASTORE CAPACITY
>
> TOTAL: : 1.8T
>
> FREE: : 1.8T
>
> USED: : 399M
>
> LIMIT: : -
>
>
>
> PERMISSIONS
>
> OWNER : um-
>
> GROUP : u--
>
> OTHER : ---
>
>
>
> DATASTORE TEMPLATE
>
> BASE_PATH="/one/datastores/"
>
> CLONE_TARGET="SYSTEM"
>
> DISK_TYPE="FILE"
>
> DS_MAD="fs"
>
> LN_TARGET="NONE"
>
> TM_MAD="shared"
>
> TYPE="IMAGE_DS"
>
>
>
> IMAGES
>
> 0
>
> 1
>
>
>
> As we can see, both DS is using new path but the DS capacity info for DS
> 102 is wrong – it displaying the size of /var/lib/one
>
>
>
> When I deploy the VM, I got the following error messages.
>
>
>
> [root at server one]# tail 0.log
>
> Wed Sep 17 15:03:06 2014 [Z0][DiM][I]: New VM state is ACTIVE.
>
> Wed Sep 17 15:03:06 2014 [Z0][LCM][I]: New VM state is PROLOG.
>
> Wed Sep 17 15:03:06 2014 [Z0][TM][I]: Command execution fail:
> /var/lib/one/remotes/tm/shared/clone
> server.mimos.local:/one/datastores/103/01420afc51ab1be828f0e877cb980113
> server.mimos.local:/var/lib/one//datastores/102/0/disk.1 0 103
>
> Wed Sep 17 15:03:06 2014 [Z0][TM][I]: clone: Cloning
> /var/lib/one/datastores/103/01420afc51ab1be828f0e877cb980113 in
> server.mimos.local:/var/lib/one//datastores/102/0/disk.1
>
> Wed Sep 17 15:03:06 2014 [Z0][TM][E]: clone: Command "cd
> /var/lib/one/datastores/102/0; cp
> /var/lib/one/datastores/103/01420afc51ab1be828f0e877cb980113
> /var/lib/one/datastores/102/0/disk.1" failed: Warning: Permanently added
> 'server.mimos.local,192.168.254.94' (ECDSA) to the list of known hosts.
>
> Wed Sep 17 15:03:06 2014 [Z0][TM][I]: cp: cannot stat
> '/var/lib/one/datastores/103/01420afc51ab1be828f0e877cb980113': No such
> file or directory
>
> Wed Sep 17 15:03:06 2014 [Z0][TM][E]: Error copying
> server.mimos.local:/one/datastores/103/01420afc51ab1be828f0e877cb980113 to
> server.mimos.local:/var/lib/one//datastores/102/0/disk.1
>
> Wed Sep 17 15:03:06 2014 [Z0][TM][I]: ExitCode: 1
>
> Wed Sep 17 15:03:06 2014 [Z0][TM][E]: Error executing image transfer
> script: Error copying
> server.mimos.local:/one/datastores/103/01420afc51ab1be828f0e877cb980113 to
> server.mimos.local:/var/lib/one//datastores/102/0/disk.1
>
> Wed Sep 17 15:03:06 2014 [Z0][DiM][I]: New VM state is FAILED
>
>
>
> From the above message, I can see that it is still referring to
> /var/lib/one/ directory. What I have missed here? The BASE_PATH in DS page
> is for what actually?
>
>
>
> Note: Management and Node on the same server.
>
>
>
> --
>
> Regards,
>
> Anandharaj
>
>
>
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> MIMOS Berhad nor its subsidiaries accepts responsibility for the
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> --
> <http://lists.opennebula.org/listinfo.cgi/users-opennebula.org>
> --
> Ruben S. Montero, PhD
> Project co-Lead and Chief Architect
> <http://lists.opennebula.org/listinfo.cgi/users-opennebula.org>
> OpenNebula - Flexible Enterprise Cloud Made Simple
> <http://lists.opennebula.org/listinfo.cgi/users-opennebula.org>
> www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
>
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