Regarding DAS for Shared Storage
Hi, Have a VRTX Chassis enclosure populated with two Dell PowerEdge M620 Blades and has a built-in DAS storage. Created a 1 TB Virtual Disk from the DAS storage using the Dell iDRAC interface. This block device is accessible from the two blades (CentOS 7 OS) like shown below, [root@node1 ~]# lsblk /dev/sdc NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdc 8:32 0 1024G 0 disk [root@node2 ~]# lsblk /dev/sdc NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdc 8:32 0 1024G 0 disk oVirt rpms has been installed on both the blades with the aim of configuring them as oVirt nodes with Live Migration feature. But other than the DAS we don't have any storage which can be used as shared storage. So can some one please tell me whether the above block disk can be used as a shared storage (i.e mounted on the two nodes at the same time) and if it is possible how can this be done. Thank you.
This is a multi-part message in MIME format. --------------707929C3278EB09990426795 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Hello rex. I have a very similar situation and I'm interested to find out how people are doing to use DAS in these types of environments. Thanks Fernando On 22/12/2016 10:07, rex wrote:
Hi,
Have a VRTX Chassis enclosure populated with two Dell PowerEdge M620 Blades and has a built-in DAS storage. Created a 1 TB Virtual Disk from the DAS storage using the Dell iDRAC interface. This block device is accessible from the two blades (CentOS 7 OS) like shown below,
[root@node1 ~]# lsblk /dev/sdc
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdc 8:32 0 1024G 0 disk
[root@node2 ~]# lsblk /dev/sdc
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdc 8:32 0 1024G 0 disk
oVirt rpms has been installed on both the blades with the aim of configuring them as oVirt nodes with Live Migration feature. But other than the DAS we don't have any storage which can be used as shared storage. So can some one please tell me whether the above block disk can be used as a shared storage (i.e mounted on the two nodes at the same time) and if it is possible how can this be done. Thank you.
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
--------------707929C3278EB09990426795 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit <html> <head> <meta content="text/html; charset=windows-1252" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> Hello rex.<br> <br> I have a very similar situation and I'm interested to find out how people are doing to use DAS in these types of environments.<br> <br> Thanks<br> Fernando<br> <br> <div class="moz-cite-prefix">On 22/12/2016 10:07, rex wrote:<br> </div> <blockquote cite="mid:CAJayKGAUJTjZauthB9uZ94Bu8nNHR3ARVveooRgLBN+iHaSALg@mail.gmail.com" type="cite"> <div dir="ltr">Hi,<br> <br> Have a VRTX Chassis enclosure populated with two Dell PowerEdge M620 Blades and has a built-in DAS storage. Created a 1 TB Virtual Disk from the DAS storage using the Dell iDRAC interface. This block device is accessible from the two blades (CentOS 7 OS) like shown below,<br> <br> [root@node1 ~]# lsblk /dev/sdc <br> <br> NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT<br> sdc 8:32 0 1024G 0 disk<br> <br> [root@node2 ~]# lsblk /dev/sdc <br> <br> NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT<br> sdc 8:32 0 1024G 0 disk<br> <br> oVirt rpms has been installed on both the blades with the aim of configuring them as oVirt nodes with Live Migration feature. But other than the DAS we don't have any storage which can be used as shared storage. So can some one please tell me whether the above block disk can be used as a shared storage (i.e mounted on the two nodes at the same time) and if it is possible how can this be done. Thank you.<br> </div> <br> <fieldset class="mimeAttachmentHeader"></fieldset> <br> <pre wrap="">_______________________________________________ Users mailing list <a class="moz-txt-link-abbreviated" href="mailto:Users@ovirt.org">Users@ovirt.org</a> <a class="moz-txt-link-freetext" href="http://lists.ovirt.org/mailman/listinfo/users">http://lists.ovirt.org/mailman/listinfo/users</a> </pre> </blockquote> <br> </body> </html> --------------707929C3278EB09990426795--
In theory, if you can see the DAS LUN with multipath, you can build the storage domain as if it's FC. Might need to play with multipath settings to make sure it's not filtered out. On Thu, Dec 22, 2016 at 7:11 AM, Fernando Frediani < fernando.frediani@upx.com.br> wrote:
Hello rex.
I have a very similar situation and I'm interested to find out how people are doing to use DAS in these types of environments.
Thanks Fernando
On 22/12/2016 10:07, rex wrote:
Hi,
Have a VRTX Chassis enclosure populated with two Dell PowerEdge M620 Blades and has a built-in DAS storage. Created a 1 TB Virtual Disk from the DAS storage using the Dell iDRAC interface. This block device is accessible from the two blades (CentOS 7 OS) like shown below,
[root@node1 ~]# lsblk /dev/sdc
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdc 8:32 0 1024G 0 disk
[root@node2 ~]# lsblk /dev/sdc
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdc 8:32 0 1024G 0 disk
oVirt rpms has been installed on both the blades with the aim of configuring them as oVirt nodes with Live Migration feature. But other than the DAS we don't have any storage which can be used as shared storage. So can some one please tell me whether the above block disk can be used as a shared storage (i.e mounted on the two nodes at the same time) and if it is possible how can this be done. Thank you.
_______________________________________________ Users mailing listUsers@ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
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rex