Re: tbmode/tbtape on Online 5 - signatur.pce (0/1)

OOPS, newbie error, No signature file >We need an "continuous" backup scheme that allows us to tell our users >(in case of failure or disaster) up to what time the system can be >restored >So we came up with following scheme >Use large logical log files ( a day's work ???) in combination with an >hourly crontab job that has to do the following things >1) tbmode -l (lower L) to switch to the next logical log >2) tbtape -a to archive this last logical log to > a) backup tape > b) Unix file (on another disk) >The following questions arise >1) what is the exit status of tbmode/tbstat (nothing in the >manuals) > (I assume 0 (zero) in the case of correct execution but what are the > possible faults I have to watch out for ???) >2) do I have to move the Unix file inbetween tbtape -a's > (or is there an append possible for backup of logical logs in > Unix files ???) >3) suppose I drop the scheme and use smaller logical logs > (an hour's work ???) combined with a continuous back up, > can I still back these up to Unix file (does the second logical > log backed up by continuous backup overwrite the first or will > he be appended = does online close the logical log output device in > between save's of logical logs ???) >Any pointers on these matters would be very welcome