Mountrakis, Michael
2015-Dec-04 14:54 UTC
[Gluster-users] Can I share with GLusterFS a volume created from two mounted i-SCSI bricks?
Hi all The scenario that I am thinking to implement has as follows: Mount a volume locally to my Node1 as i-scsi: mybox1# iscsiadm -m node --targetname "rot1:newvolume.1" --portal "192.168.0.1:3260" --login .. format and make file system... mybox1# mount /dev/sdb1 /data -t ext4 Mount another volume locally to my Node2 as i-scsi: mybox2# iscsiadm -m node --targetname "rot2:newvolume.1" --portal "192.164.0.1:3260" --login .. format and make file system... mybox2# mount /dev/sdb1 /data -t ext4 I do the peering between node1/node2: root@ mybox1:~ # gluster peer probe mybox2.mydomain Try to create a glusterFS volume from those mounts: Will the following work? root@ mybox1:~ # gluster volume create mydata replica 2 mybox1.mydomain:/data mybox2.mydomain:/data force In other words: Can I create and share a glusterFS volume from a couple of mounted iSCSI bricks? Best Regards mike
Gmail
2015-Dec-04 16:44 UTC
[Gluster-users] Can I share with GLusterFS a volume created from two mounted i-SCSI bricks?
find the answers inline. ? Bishoy> On Dec 4, 2015, at 6:54 AM, Mountrakis, Michael <michael.mountrakis at sap.com> wrote: > > Hi all > > The scenario that I am thinking to implement has as follows: > > Mount a volume locally to my Node1 as i-scsi: > mybox1# iscsiadm -m node --targetname "rot1:newvolume.1" --portal "192.168.0.1:3260" --login > .. format and make file system... > mybox1# mount /dev/sdb1 /data -t ext4 > > Mount another volume locally to my Node2 as i-scsi: > mybox2# iscsiadm -m node --targetname "rot2:newvolume.1" --portal "192.164.0.1:3260" --login > .. format and make file system... > mybox2# mount /dev/sdb1 /data -t ext4 > > I do the peering between node1/node2: > root@ mybox1:~ # gluster peer probe mybox2.mydomain > > Try to create a glusterFS volume from those mounts: > Will the following work? > root@ mybox1:~ # gluster volume create mydata replica 2 mybox1.mydomain:/data mybox2.mydomain:/data force > > In other words: > Can I create and share a glusterFS volume from a couple of mounted iSCSI bricks?yes you can, but the problem you might have is that when the iSCSI sessions get broken then reestablished they will be mapped with a different name (if it was /dev/sdb to might get mapped to /dev/sde or any other letter) it?s better to use ZFS with iSCSI as ZFS handles Linux device mapper mapping of the drives better than XFS.> > > Best Regards > mike > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://www.gluster.org/mailman/listinfo/gluster-users-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.gluster.org/pipermail/gluster-users/attachments/20151204/f9783b66/attachment.html>