Re: Is there a maximum tape size for archives, logs?

junet@informix.com (June Tong) wrote: >Bill Duncan (bill@concord.fmr.com) wrote: >: I've been told there is a 2G limit for tape archives. Is this true? > >Informix places a 2TB (terabyte) limit on archive tape size (at least for >tbtape/ontape - can't remember what onarchive does). I beg to differ but if it was tbtape the limit was 2GB pre DSA... >However, some OS flavors may cause problems with archives over 2GB in size. >My understanding of the problem is that the OS counts the amount of data >that is written between a single open and close of the tape device, and >that when this value exceeds the limitations of the counter (2GB for a >signed long, or possibly 4GB if they use unsigned long), the OS returns an >error, which of course results in tbtape/ontape returning an error. > >Sorry, can't tell you which flavors of OS do what. > > >June > >---- June Tong Informix Software ---- >---- Senior Consultant (415) 926-6140 ---- >---- International Support junet@informix.com ---- >---- Location-du-jour: Menlo Park, on a break from Beijing ---- _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Gordon E. Hooker MACS PCP 25 Clarke Street Ripley Queensland Australia Phone 61-7-32940555 Email gordonh@acslink.net.au _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ We are just two lost souls living in a fish bowl Year after year Pink Floyd