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Brad, I still dont understand how you will integrate your VTS to the as400. Does it emulate a tape drive, with the SAVLIB and RSTLIB cmds referring to the VTS as a tape drive name ? Steve Richter ----- Original Message ----- From: "Brad Jensen" <brad@elstore.com> To: <midrange-l@midrange.com> Sent: Thursday, December 06, 2001 3:51 PM Subject: Re: Writing multiple CD volumes for the AS/400? > > > MacWheel99@aol.com wrote: > > > > 1. I have long suspected that IBM is mature in the utilization of computer > > resources, such that 94% compression possible on a PC is more an indication > > that PC objects waste space than a problem with compression algorithms. > > I am sorry if I wasn't clear. What I compressed 94% was a SAVLIB > from an AS/400. It wasn't a file originating on a PC. I captured > the SAVLIB through my tape emulator. It was written without > compression to the tape interface by IBM's SAVLIB command. > > I compressed another library only 60%, this was program sources > and object code. > > And yes I know that there is no error in my process - because I > unzipped them and restored them through the same interface. I've > done this dozens of times. > > It's the PC object (the zip file) that is not wasting space. > > I was tryin to figure how much AS/400 data would fit on a PC 100 > GB hard drive. At least 300 GB of AS/400 libraries will fit on a > PC 100 GB hard drive, and as much as 1,600 GB ( 1.6 TB) is > possible. > > And it means that between 1.8 Gb and 10.8 GB of AS/400 data will > fit on a single CD-R. I just bought a 24X CD-r writer. Suppose > you get compression somewhere in the middle - say 5 GB per > CD-ROM. Back up your 20 gb of AS/400 data nonstop to the VTS > system, then write out all the data in about ten minutes. > > Of course, IFS files backuped to tape will not compress that > well, because most images, zips, and many modern word documents > are well compressed also. > > Brad Jensen > > Lasrvault Report Archiving > eee.elstore.com > > > > -- > Brad Jensen brad@elstore.com > President > Electronic Storage Corporation Tulsa OK USA > 918-664-7276 > > LaserVault Report Retrieval & Data Mining > www.Laservault.com > > www.eufrates.com - Add distance learning to > your site with easy course preparation > _______________________________________________ > This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list > To post a message email: MIDRANGE-L@midrange.com > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l > or email: MIDRANGE-L-request@midrange.com > Before posting, please take a moment to review the archives > at http://archive.midrange.com/midrange-l. > >
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