Adds a small delay between creating a partition and formatting it. (#188

)

* Adds a small delay between creating a partition and formatting it.

* Reduces delay between parted and mkfs to 1s.

configs/stage3_ubuntu/etc/systemd/system/format-cache.service

@@ -24,6 +24,10 @@ ExecStart=/usr/sbin/parted --align=optimal --script /dev/sda \
     mkpart data xfs 0%% 90%% \
     mkpart docker xfs 90%% 100%%
 
+# There is potentially a delay between parted creating partitions and those
+# partitions devices (e.g., /dev/sda1) showing in in /dev.
+ExecStart=sleep 1
+
 # Format and label each partition.
 # Note: the labels could make the formatting conditional in the future.
 ExecStart=/usr/sbin/mkfs.xfs -f -L cache-data /dev/sda1