[one-users] File system performance testing suite tailored to OpenNebula

[Liu, Guang Jun (Gene)]

Its something I am looking for too. I am considering ZFS for the reasons
that large image clone happens concurrently.

Regards,
Gene
On 13-09-11 07:16 AM, Gerry O'Brien wrote:
> Hi,
>
>     Are there any recommendations for a file system performance
> testing suite tailored to OpenNebula typical workloads? I would like
> to compare the performance of zfs v. ext4. One of the reasons for
> considering zfs is that it allows replication to a remote site using
> snapshot streaming. Normal nightly backups, using something like
> rsync, are not suitable for virtual machine images where a single
> block change means the whole image has to be copied. The amount of
> change is to great.
>
>     On a related issue, does it make sense to have datastores 0 and 1
> in a single files system so that the instantiations of non-persistent
> images does not require a copy from one file system to another? I have
> in mind the case where the original image is a qcow2 image.
>
>         Regards,
>             Gerry
>