<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'>I thought that most distros (maybe excluding Slackware) would have their 64-bit versions set up to have both 32-bit and 64-bit libraries. <br><br><hr id="zwchr"><b>From: </b>"David L. Willson" <DLWillson@TheGeek.NU><br><b>To: </b>"CLUE's mailing list" <clue@cluedenver.org><br><b>Cc: </b>nclug@nclug.org<br><b>Sent: </b>Friday, May 25, 2012 10:02:06 AM<br><b>Subject: </b>Re: [clue] 32 bit app, 64 bit OS<br><br>Libraries are going to bite you.<br><br>This is what I would do:<br><br>Virtualize the whole box, and run it as a guest on the new hardware. You'll still get 85-90% of the performance you would have gotten with a full 64-bit stack.<br><br>Then, if you want that last 10-15%, migrate your data to 64-bit applications on the host machine, one at a time.<br><br>Enterprise's virtualization features are pretty sweet.<br><br>--<br>David L. Willson<br>Trainer, Engineer, Enthusiast<br>RHCE Network+ A+ Linux+ LPIC-1 Ubuntu<br>Mobile 720-333-LANS(5267)<br><br>This is a good time for a r3VOLution.<br><br>----- Original Message -----<br>> I am wondering the pitfalls of running 32 bit applications on 64 bit<br>> Linux.<br>> <br>> We are looking at upgrading a large enterprise system. It would be<br>> very helpful if we could upgrade the operating system first, because<br>> then we can upgrade the application in place and carry over all of<br>> our<br>> settings and data more easily. The old version is a 32 bit<br>> application, the new one is a 64 bit application. If we upgrade the<br>> hardware and operating system first, this is better, since it is due<br>> a<br>> hardware upgrade anyway, and we are looking at maybe moving it to a<br>> new data center. We would like to run this way for a while, then do<br>> the upgrade, since it is a large project to upgrade this mess. Where<br>> is this going to bite us?<br>> <br>> <br>> <br>> <br>> _______________________________________________<br>> clue mailing list: clue@cluedenver.org<br>> For information, account preferences, or to unsubscribe see:<br>> http://cluedenver.org/mailman/listinfo/clue<br>> <br>_______________________________________________<br>clue mailing list: clue@cluedenver.org<br>For information, account preferences, or to unsubscribe see:<br>http://cluedenver.org/mailman/listinfo/clue<br></div></body></html>