Can I restore from ctl_deliver -d?

[Ian G Batten]

I'm performing a migration from 2.2.8 on an E450 running Solaris 10  
Beta Build 58 to 2.3.9 on a T2000 running Solaris 10 latest.  The  
former isn't zoned (it wasn't available in that build), isn't smf'd  
(ditto) and isn't ZFS'd (ditto).

The new machine has Cyrus in a zone, rooted on ZFS, with the local  
storage also on ZFS.

The mailboxes themselves (35K mailboxes, a couple of terabytes) are  
on NFS storage (some on Sun, mostly on a Pillar), so I'm testing the  
new configuration by performing a metadata migration from read-only  
mounts.  I've written a script to perform the migration in an rsync  
style, paralleled over the T2000, which is able to sync the metadata  
between the live storage and the new metadata partition in 35 seconds.

Just to ensure the best health and hygiene, I'm rebuilding as many  
databases as I can.  The mailboxes file is the result of ctl_mboxlist  
-d | ctl_mboxlist -u, the sasldb is the result of db_dump -p and  
db_load, etc, etc.

However, the one that seems resistant to this is deliver.db (skiplist  
format).  cvt_cyrusdb ... skiplist ... flat takes five hours before  
failing, and although ctl_deliver -d appears to run quickly and  
correctly, I can't see an immediately obvious way to reload it.   
Obviously, this isn't a big problem: I can just shut down the old  
Cyrus instance, copy the file over, and all is well.  But having  
databases de-fragmented, built with the same bits that are in  
production, is a nice confidence booster if it's possible.

ian