From: Mallikarjuna Shastry (pmmshastry_at_yahoo_dot_com)
Date: Fri Jul 06 2007 - 07:35:19 PDT
dear sir/ madam this is mallikarjuna shastry, currently pursuing the Ph.D in fault tolerance in distributed systems. i am dealing with analysis of roll-back recovery protocols such as checkpointing and message logging. i have installed blcr-0.5.1 on my linux 9 system. each time i switch off my system i have to reinstal blcr and run the commands like cr_run,cr_checkpoint and cr_restart otherwise they do not work. what my be the problem with this? and how do i overcome this? plz advise me in this regard. i have the folowing queries. 1. how do i take the periodic checkpoint on a process ? 2. hod do i restart a process on another node after taking checkpoint and terminate it(process-migration) 3. does blcr support co-ordinated blocking checkpoint protocol or non-blocking co-ordinated checkpoint ? 4. how do i implement the protocols like a.unco-ordinated checkpoint ? b.communication indeced checkpoint ? c.message logging protocols such as pessimistic, optimistic and causal protocols.? kindly send the details regarding this and advise me how do i proceed further. regards m.shastry mallikarjuna shastry ____________________________________________________________________________________ Get your own web address. Have a HUGE year through Yahoo! Small Business. http://smallbusiness.yahoo.com/domains/?p=BESTDEAL