Hello, Unless you have a cluster file system in place what you are seeing is expected. Each node believes it owns that volume exclusively. There's nothing in iSCSI or SCSI protocol to address this. A write from one node doesn't tell the other node to update its cached image of that disk. Without a file system to handle that process there's no workaround.
Regards, Don On Feb 25, 2015 8:21 PM, <m0pt0pmat...@gmail.com> wrote: > Hey guys, > > Forgive me, but I'm super new to this. > > I have two CentOS 7 nodes. I'm using LIO to export a sparse file over > iSCSI. > > The sparse file was created as a LIO FILEIO with write-back disabled > (write-through) > In targetcli, I create a LUN on my iSCSI frontend > > I formatted the sparse file to have an EXT4 filesystem. > > On both the target node and the initiator node, I can initiate a iSCSI > session (iscsiadm -m node --login), mount the device, and read and write to > it. > > However, changes to the device are not consistent across the network until > i logout of the iSCSI session. (iscsiadm -m node --logout) (both nodes have > to logout. The first logout writes the changes, and the second one > refreshes them) > > Somewhere, caching is occurring, but I'm not sure where. > > Just in case you're curious, my use case is to have multiple nodes write > to the same remote disk (or file) in parallel. > > Any direction or advice would be great. Thank you. > > -Matt > > -- > You received this message because you are subscribed to the Google Groups > "open-iscsi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to open-iscsi+unsubscr...@googlegroups.com. > To post to this group, send email to email@example.com. > Visit this group at http://groups.google.com/group/open-iscsi. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to open-iscsi+unsubscr...@googlegroups.com. To post to this group, send email to firstname.lastname@example.org. Visit this group at http://groups.google.com/group/open-iscsi. For more options, visit https://groups.google.com/d/optout.