Hi, Prabu!
This behavior is expected because you are using non-clustered filesystem (ext4 or xfs or whatever), which is not expected to be mounted to multiple hosts at the same time.
What's more - you can lose data when doing like this. That's the nature of local filesystems.
So if you need to access filesystem simultaneously at two or more hosts - consider using clustered filesystem like CephFS, OCFS etc or using network mounts like NFS or Samba.
Regards, Vasily.
On Thu, May 21, 2015 at 5:10 PM, gjprabu <gjprabu@xxxxxxxxxxxx> wrote:
Hi All,
We are using rbd and map the same rbd image to the rbd device on two different client but i can't see the data until i umount and mount -a partition. Kindly share the solution for this issue.
Example
create rbd image named foo
map foo to /dev/rbd0 on server A, mount /dev/rbd0 to /mnt
map foo to /dev/rbd0 on server B, mount /dev/rbd0 to /mnt
Regards
Prabu
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