Hi,all The storage array used by cinder in my experiment is produced by Huawei. The vendor releases its own multipath named Ultrapath with the SAN. Could I use the Ultrapath instead of dm-multipath in openstack? Best wishes, Qi **************************** Qi Xiaozhen CLOUD OS PDU, IT Product Line, Huawei Enterprise Business Group enterprise.huawei.com **************************** -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20131216/34ac3a39/attachment.html>