10-14-2008
areas to consider
Overall cost per Oracle seat - RH wins
System support - HP wins
Support cost - HP more RH less (but less robust)
System training - HP == RH in cost, dunno about quaility
Availability of sysadmin staff: RH wins.
Hardware support - HP wins RH is limited
High availability - HP wins, unless RH is clustered to allow failovers, then RH comes out ahead but loses ground on cost.
IMO -
Long term, overall software/hardware/operations costs tend even out because A costs more in labor or down time or prting software, but B costs more upfront for hardware and software. And so on. I do not see RH as a huge win.
You also really have factor in the cost of porting software.
Base C code from HPUX does not compile well under RH gcc -Wall, for example.
Shell scripts may have to be rewritten, especially if you use hpux /bin/sh. We just did that. Even though /bin/sh is supposedly POSIX there are small gotchas going to bash, for example.
C system code, if you have any, will have to be looked at. Very minor semantic differences can create interesting results. If you use acl's it is also interesting. You can't really port file acl metadata directly, AFAIK....
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