Eql PS6500e read-only after power failure

Hi,

We have a PS6500e that lost power to two out of three power supplies. It went in the standby mode before power was restored. Now it's back up but all the mounted volumes are read-only.  When I try to remount I see the following message:

mount: cannot remount block device /dev/mapper/eql-0-8a0906-74a43a805-a690018d58c53dd8-ps6500e-vol2 read-write, is write-protected

I don't see anything relevant in the group manager GUI either. How do I switch these filesystems to the rw mode?

Thank you.