[OT] bad disk & MacOS reinstall

[Horst Simon]

I had todo a re-install on my 2010 MacBook Pro with High Sierra from scratch, my copy of High sierra I had was corrupted and caused my all kind of grief. I finally downloaded a new copy on my iMac using the command line

softwareupdate --list-full-installers
softwareupdate --fetch-full-installer --full-installer-version 10.13.6

After the download I created a bootable image on a USB stick.

I did a new install of mac ports and my applications. 
Regards,
Horst

> On 5 May 2024, at 17:46, Riccardo Mottola via macports-users <macports-users at lists.macports.org> wrote:
> 
> Hi all,
> 
> I have a slightly off-topic question.
> 
> I think the Hard Disk of my older MacBook Pro is failing. The computer has long delays sometimes, in random moments. Maybe at login, maybe at application startup. I never see error and when activity resumes, everything goes fine, including GIT usage, browsing, compilation. No "pattern". Disk Utility reports a verified SMART status and Disk First Aid says all is OK.
> 
> However Console reports:
> kernel[0]: disk0s2: I/O error.
> 
> about the same time when he delay started. I suppose some kind of issues (eg. going out of calibration, head reset...), maybe nothing is corrupted yet, but... I suppose the only fix is a disk replacement. I wonder why SMART doesn't alert anything, but maybe the detailed status should be inspected. Is there a command line utility that can give more detail?
> 
> My question is your experience in reinstall.
> 
> First way would be to able to format, partition and copy all files to an external hard disk, swap and reboot. I have done this once 10 years ago in PowerPC times and it was not trivial and they sell software to do that, which I don't want to buy.
> 
> Second way would be to reinstall MacOS 10.11 (no DVD available...) from scratch and then copy or reinstall things  (including MacPorts, of course).
> 
> With a "new" hard disk, what is the best way to reinstall OS like Apple supplied? In the past I had some bad experiences with Internet install not working/completing with weird errors.
> Also, I'd like to have disk utility and recovery working. I wonder if it will work or some magic partition needs to recreated?
> Hardware Diagnostic Tools need to be installed extra, I have read.
> 
> Riccardo
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