As previously surmised,
RR: Dave Clark assisted by Pitching coach (PC) Burt Hooten, Hitting Coach (HC) Ron Jackson, Athletic Trainer (AT) Mike Freer

CC: To be announced later in Dec (Winter meetings being held in Nashville next week)

Salem: Pankovic is back assisted by Alex Eckelman (HC) promoted from Lex and AT Eric Montague.  PC to be announced.

Lex: Langbehn returns assisted by Stubby Clapp (HC) who gets a full season gig this year as reward for working with all the raw talent in Greeneville last year. Charlie Taylor (PC) and J. D. Shields (AT) return to their post.

TriCities: Rancott is back again along with Joel Chimelis (HC) and Don Alexander (PC).  Brian Baca (AT) jumps up north from Greeneville.

Greeneville: Linares will get to know his players from last year better as many will be joining him back at Pioneer Park.  New staff will be: Tony Jaramillo (HC), Travis Driskill (PC), John Patton (AT)

New rovers of note include:

Gary Redus: baserunning & outfield
Britt Burns: pitching

From the Astros site
With additional input from the Lex paper

Jan. 18th update:

There have been some changes:

Salem’s pitching coach: Gary Ruby
Salem’s hitting coach: Keith Bodie
Greeneville’s hitting coach: D J Boston
Lexington trainer: John Patton