We run this config now for a week and didn't have any problems. So it looks good from our site.

It looks good for now. I'll monitor it for a while and report back. Thanks!

Changing this setting fixed the replication in the first tests. Are there any negative side effects with this?

Hi,
we upgraded our XenServer 7.2 pool to XCP-ng 8.0.

We previously hat Continuous Replication from a iSCSI storage to a NFS Storage running.

After the update, all replication jobs fail with VDI_IO_ERROR(Device I/O errors) and no apparent erros in SMlog or xensource.log (or I don't know for what to look for).

Is this a known problem? How can we further debug this problem?

Thanks in advance,
Michael