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xen-users
Re: [Xen-users] iscsi vs nfs for xen VMs
Hi!
We are in the opposite road.
We used NFS but when the IO load was increased the performance was down
and we must to change to iSCSI. This system is working Ok from several
months.
(We tested NFS with phyle and tap)
Regards,
Agustin
Ciro Iriarte escribió:
2009/8/7 François Delpierre <xensource@xxxxxxxxxx>:
Hi,
Quite funny. We are using Xen over iSCSI for years, and we are turning to
Netapp NAS to migrate to NFS for the following reasons :
- Easier setup, no matter how many xen hosts you have.
- Avoid dealing with Cluster Filesystem. (We use OCFS2 quite successfully
anyway.)
- Some 3 years ago, we were using nbd + drbd + clvm2 + fenced + ... to have
direct lvm in your VM works, but it's too complicated and too complex to
maintain, especially if you have an issue or more than 2 dom0.
- According to the bench I received, there is no difference in performances
between NFS and iSCSI. There are some differences in some cases due to the
different levels of cache.
Regards,
François.
Hi, was this benchmark specific to Xen?, is it public?
Regards,
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