- change messenger entity_inst_t
- no more rank! make it a uniquish nonce?
+- clean up mds caps release in exporter
+- figure out client failure modes
+- clean up messenger failure modes.
+- add connection retry.
+
+mds recovery
+- multiple passes?
+ 1- establish import/export map
+ ?-
+ 2- replay inode, dir, dentry updates
+- single pass
+ - each event needs to embed inode for trace up to the import
+ - second stage will reconcile cached items with other active mds nodes
+ - cached items will be shared with the primary to repopulate it's non-dirty cache
+ - query clients for their state too?
+ - mds must journal list of clients with whom we share state?
+
osd
- pull out "object" service