This is all a matter of opinion, but every version of OS X I have ever used bogs down over time. Reinstalling restores the snappiness. <br><br>As for bad blocks, I always "zero all data" with disk utility before I install a fresh copy of the OS. <br><br>To each their own....<br><br>
#215759 - 02/12/0502:39 AMRe: 10.3.8 - Do You Dare?
Brian (an Apple Certified Tech) said this once and I have always remembered it because it makes sense: <br><br>"Zero-ing a drive wipes the factory bad blocks map and starts from scratch, visiting every block on the drive. The factory format visited every block on the drive and may have found bad blocks. These bad blocks should never be visited again unless the drive's behavior warrants it. Bad blocks may have enough crud on them to decrease or even equal the drive's MTBF. <br><br>Zero-ing drives without due cause is specious."<br><br>For those who STILL don't understand, the definition of specious:<br><br>spe·cious (sp?'sh?s) <br>adj.<br>1. Having the ring of truth or plausibility but actually fallacious: a specious argument.<br>2. Deceptively attractive.<br><br>And the definition of MTBF = Mean Time Before Failure <br><br>But I'm just making this all up to annoy you, of course. So go write zeros all over your hard drive now and reinstall everything. <br><br><br>
Loc: United States
What's the big issue with wiping and re-installing?<br><br>I do it as a matter of convenience- not to show off or anything. It gives me a chance to clear out old apps I don't use anymore, freshen up my libraries, and like Bryan said to give the OS a little pep. In all my years of doing this, I don't recall problems revisiting bad sectors - or any bad sectors for that matter. <br><br>I may be different, though- I usually replace my main HD every 8-10 months anyway. So I figure I only wipe it about 3-4 times at MOST before starting over with a new drive anyway...<br><br><br>
#215762 - 02/12/0502:54 AMRe: 10.3.8 - Do You Dare?
What you're proposing is that a years-old system with updates and rewrites and this-and-that runs better than a newly-installed, fresh system. Is that what you're saying? If that's what you're saying, then all the laws of the universe have been wrong up until this point. Stop the presses. We're living in a bizarro world.<br><br>
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