dbarron That's something I hadn't thought of, and it makes sense. Everything else in fstab can mount from the local drive. Here's fstab:
# /dev/ROOT / ext3 noatime 0 1
# /dev/SWAP none swap sw 0 0
# /dev/fd0 /mnt/floppy auto noauto 0 0
none /proc proc nosuid,noexec 0 0
none /dev/shm tmpfs defaults 0 0
UUID=53694bb6-0fed-45b4-8a24-cdc51c984e6f swap swap sw 0 0
UUID=aa470128-842b-43c2-ab28-17d8cfdd93f9 / ext4 rw,relatime,errors=remount-ro 0 1
DiskStation415:/volume1/Videos /mnt/Videos nfs defaults 0 0
DiskStation415:/volume1/SourceControl /mnt/SourceControl nfs defaults 0 0
DiskStation415:/volume1/SourceArchives /mnt/SourceArchives nfs defaults 0 0
DiskStation415:/volume1/Pictures /mnt/Pictures nfs defaults 0 0
DiskStation415:/volume1/Music /mnt/Music nfs defaults 0 0
DiskStation415:/volume1/Keys /mnt/Keys nfs defaults 0 0
DiskStation415:/volume1/ISOs /mnt/ISOs nfs defaults 0 0
DiskStation415:/volume1/Downloads/Linux /mnt/Downloads/Linux nfs defaults 0 0
DiskStation415:/volume1/Documents /mnt/Documents nfs defaults 0 0
DiskStation415:/volume1/Books /mnt/Books nfs defaults 0 0
DiskStation415:/volume1/Backups/Linux /mnt/Backups/Linux nfs defaults 0 0
Is there somewhere I can put a mount -a command that will be executed after the network is started?