Hi Hean, Are you using clustered filesystems such as like GFS2, OCFS or clvm for the two hypervisor hosts to share the same mountpoint as mentioned by Andrija? Im exploring Sheepdoq and Lizardfs to avoid using clustered filesystems setup.
Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, 11 September 2020 21:54, Hean Seng <heans...@gmail.com> wrote: > Hi > > I understand the convenience of NFS, however in NFS, filesystem is at > Storage end, and the CPU , RAM performance of Storage become very very > important . The Overload may happen on storage rather > compute/hybervisor. > > Where as iscsi based sharedmountpoint might have more efficiency for this. > > I am facing issue is , i create first host with sharemoutpint /vmdisk , > there is no issue of this, After that i add another host the the Cluster, > and and I mount the same name of ShareMountPoint (/vmdiak) in the newly > added host , since /vmdisk already appear in Primary Storage , and is in > "Cluster" , so I did not create it again . > I assume this shall work but apparently the /vmdisk in newly added in > hypervisor host is not recognizable. . > > Thank you > > On Fri, Sep 11, 2020 at 8:45 PM Andrija Panic andrija.pa...@gmail.com > wrote: > > > Hi Hean, > > this is a SharedMountPoint option when adding Primary Storage in > > CloudStack. > > This does require that your 2 hosts (not sure you'll be able to do it only > > with 2 hosts) have some kind of Clustered Filesystem like clvm, GFS2, OCFS > > set up on that mount point /LUN - none of those I would recommend really > > due to long-term stability etc - if you, can avoid it, if you can't avoid > > it, then... use it. > > The /vmdisk folder will be the sharedMountPoint and since more than one > > compute hosts are writing to a shared LUN this is why you need a clustered > > filesystem on top of that LUN. > > I would, instead, advise you to explore simple NFS setup or similar. > > best, > > On Fri, 11 Sep 2020 at 07:12, Hean Seng heans...@gmail.com wrote: > > > > > Hi > > > Is anybody know One Cluster have two KVM host, and each host has same > > > ShareMountPoint Name, > > > And I to create one Primary Storage with same SharedMountPoint Name, for > > > example, /vmdisk on both host . (both in same cluster) > > > And when create VM, it will automatically create the vm-storage-disk > > > inside the Host's Sharemount point . > > > -- > > > Regards, > > > Hean Seng > > > > -- > > Andrija Panić > > -- > > Regards, > Hean Seng
