syspatch error

[Glen Gunsalus]

7.8 on apu2
getting error msg on invoking syspatch - tested on 3 apu's running updated 7.8

# syspatch
Get/Verify syspatch78-001_syspatc... 100% |*************|  8538       00:00
Installing patch 001_syspatch
syspatch: Read-only filesystem, aborting