Re: Log. Log Backup: How full is tape?

In article <32FB4E17.245C@sigg.com>, Robert Donat <rdonat@sigg.com> writes >You can note the logi-log number (unique, not rotating) when you start >the backup. Then take the size of your logical logs (X 2 since you >probably have 2K pages), and divide your tape capacity (estimated >conservatively with comression or native to be safe) by the size of a >single logical log. That is the number of logical logs you can put on a >tape before it fills up. So then, you can compare the current logical >log number with the one you noted when you first started your backup, >and see how far along the tape you are. >[or you can just change them every couple days or after each archive] > >Rob. > Except for the fact that ontape or onarchive put a header on the tape (date of archive logical log ids stored etc). >> Richard Spitz wrote: >> > >> > Dear Informix experts, >> > >> > in our Online 5.07UC1 system, we have continuous backup of logical >> > logs turned on. Full logical logs are written to a DC6525 tape, which >> > should be able to hold lots of logs, but will be full sometime. >> > >> > How can I find out how full that tape already is? Will tbtape >> > give me a warning early enough, or do I have to worry about the >> > tape becoming full on a friday evening, blocking the whole system >> > until monday morning when I come back to work? >> > > -- David Williams