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Apple Computing Products:
macOS - Operating System
Disk Utilty first aid .. failed on external HDD MASTER BOOT RECORD query
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<blockquote data-quote="bernard smith" data-source="post: 1851650" data-attributes="member: 401391"><p>I use Time Machine which I believe makes a copy of the Mac OS along with other items such as Library, System. User, Desktop etc. anything that is on the internal Macintosh drive.</p><p> </p><p>The external drives are excluded from this Time Machine drive as they are just to big for the 1 TB time machine drive and that's why I have external HDD (6 TB) to keep the photographic files on. We are talking over 40,000 image files and associated xmp files etc.</p><p></p><p>I am thinking that the Time Machine drive holds a "bootable" backup should I ever need it. It also holds my Lightroom catalog which is vital to me as it has years of adjustments to the photographic files within it.</p><p></p><p>So I end up with 2 copies of everything that is on the internal Macintosh drive , one being the original on the Macintosh internal drive (1 TB SSD) as well as another duplicate on the 1 TB Time Machine SSD.</p><p></p><p></p><p>Carbon Copy Cloner is used for the external HDDs because it only adds the incremental changes made to files in between the back ups and the files are being amended in some ways most days. </p><p></p><p>I use CCC to make two additional copies of the main external HDD which is attached all the time. That way I end up with 3 copies of the photographic files as well as 2 copies of the internal Macintosh drive.</p><p></p><p>It's just not feasible to drag and drop such large quantites and the Carbon Copy Cloner works really well. </p><p></p><p>Thanks for all your time on this matter.</p><p></p><p></p><p>Cheers </p><p></p><p>Bernard</p></blockquote><p></p>
[QUOTE="bernard smith, post: 1851650, member: 401391"] I use Time Machine which I believe makes a copy of the Mac OS along with other items such as Library, System. User, Desktop etc. anything that is on the internal Macintosh drive. The external drives are excluded from this Time Machine drive as they are just to big for the 1 TB time machine drive and that's why I have external HDD (6 TB) to keep the photographic files on. We are talking over 40,000 image files and associated xmp files etc. I am thinking that the Time Machine drive holds a "bootable" backup should I ever need it. It also holds my Lightroom catalog which is vital to me as it has years of adjustments to the photographic files within it. So I end up with 2 copies of everything that is on the internal Macintosh drive , one being the original on the Macintosh internal drive (1 TB SSD) as well as another duplicate on the 1 TB Time Machine SSD. Carbon Copy Cloner is used for the external HDDs because it only adds the incremental changes made to files in between the back ups and the files are being amended in some ways most days. I use CCC to make two additional copies of the main external HDD which is attached all the time. That way I end up with 3 copies of the photographic files as well as 2 copies of the internal Macintosh drive. It's just not feasible to drag and drop such large quantites and the Carbon Copy Cloner works really well. Thanks for all your time on this matter. Cheers Bernard [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Disk Utilty first aid .. failed on external HDD MASTER BOOT RECORD query
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