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Apple Computing Products:
macOS - Desktop Hardware
Mac hard drive test utilities and CoreStorage
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<blockquote data-quote="BSD Meister" data-source="post: 1500245" data-attributes="member: 257388"><p>Another problem with Core Storage is what does it do if the drives are all "regular" hard drives. I took two old USB drives I had and combined them into one logical volume. I like the idea, but Apple has implemented a "secret disk management" scheme that may or may not render this type of configuration not only useless but actually much worse than a regular hard drive.</p><p></p><p>If you've looked at the Core Storage (CS) docs, one drive is the "primary" and all the others you use are secondaries. You can apparently add more than one HD to an SSD configuration, with the SSD being the "primary." The idea is to transfer frequently accessed files to the SSD, but what if it's not an SSD.</p><p></p><p>I hate to tell you this guys, but virtual volumes and drives where multiple drives or partitions are merged into one apparent drive has been around in the Unix world for a very long, long time. The question is, does CS recognize an HD only virtual configuration and knock off it's "magical disk management?" Why is this a big deal? Because if it implements the same type of re-arranging of data onto the "primary" drive in a CS configuration, there's no performance gain, in fact you're just causing the drive to have to move data from one regular HD to another regular HD, which really just amounts to an actual performance loss. In other words, it's stupid. </p><p></p><p><strong>And now for my rant:</strong></p><p></p><p>GOD, I HATE MOUNTAIN LION!!!!!!!!!!!!</p><p></p><p>This is the most bug ridden piece of crap I've seen since Windows '95. If I attach a camera with pictures on it to iPhoto, I get the following:</p><p></p><ol> <li data-xf-list-type="ol">iPhoto sometimes doesn't acknowledge the camera being present</li> <li data-xf-list-type="ol">Sometimes it will see the camera and report there are no photos</li> <li data-xf-list-type="ol">Sometimes it will crash</li> <li data-xf-list-type="ol">Sometimes it will actually notice there are photos there and actually load them!!!</li> </ol><p></p><p>I used to be able to create a note in Mail and transfer it to my iPhone. Not any longer. You MUST either setup an imap account or use iCloud. Apparently it never occurred to Apple that some people work in secure environments and doing either of these is not allowed. </p><p></p><p>Oh Well, two solutions:</p><ol> <li data-xf-list-type="ol">Get rid of the iPhone (there are about 346 at my facility) and replace it with something we can use.</li> <li data-xf-list-type="ol">BOW DOWN to the overlords at Apple and simply say to ourselves, "Golly Jeepers, I guess we're not good enough to do this any more...the geniuses at Apple are simply to advanced for our pathetic ways.</li> </ol><p></p><p>It's a brilliant idea, try to force people onto the iCloud to such an extent that they're likely going to lose customers using iPhones to switch to Androids.</p><p></p><p>And how about them thar OS bugs? One day I had Mail, Safari, and TextEdit open, and suddenly the system comes to a complete crawl. I check Activity Monitor and the system has used up all 8GB of RAM and is now swapping. This has happened about 5 times.</p><p></p><p>And then there are the visual improvements Lion and Mountain Lion have to offer, namely gray instead of color. Gray scroll bars, gray icons, is color confusing?</p><p></p><p>...oh well, I guess I've gotten off topic.</p></blockquote><p></p>
[QUOTE="BSD Meister, post: 1500245, member: 257388"] Another problem with Core Storage is what does it do if the drives are all "regular" hard drives. I took two old USB drives I had and combined them into one logical volume. I like the idea, but Apple has implemented a "secret disk management" scheme that may or may not render this type of configuration not only useless but actually much worse than a regular hard drive. If you've looked at the Core Storage (CS) docs, one drive is the "primary" and all the others you use are secondaries. You can apparently add more than one HD to an SSD configuration, with the SSD being the "primary." The idea is to transfer frequently accessed files to the SSD, but what if it's not an SSD. I hate to tell you this guys, but virtual volumes and drives where multiple drives or partitions are merged into one apparent drive has been around in the Unix world for a very long, long time. The question is, does CS recognize an HD only virtual configuration and knock off it's "magical disk management?" Why is this a big deal? Because if it implements the same type of re-arranging of data onto the "primary" drive in a CS configuration, there's no performance gain, in fact you're just causing the drive to have to move data from one regular HD to another regular HD, which really just amounts to an actual performance loss. In other words, it's stupid. [B]And now for my rant:[/B] GOD, I HATE MOUNTAIN LION!!!!!!!!!!!! This is the most bug ridden piece of crap I've seen since Windows '95. If I attach a camera with pictures on it to iPhoto, I get the following: [LIST=1] [*]iPhoto sometimes doesn't acknowledge the camera being present [*]Sometimes it will see the camera and report there are no photos [*]Sometimes it will crash [*]Sometimes it will actually notice there are photos there and actually load them!!! [/LIST] I used to be able to create a note in Mail and transfer it to my iPhone. Not any longer. You MUST either setup an imap account or use iCloud. Apparently it never occurred to Apple that some people work in secure environments and doing either of these is not allowed. Oh Well, two solutions: [LIST=1] [*]Get rid of the iPhone (there are about 346 at my facility) and replace it with something we can use. [*]BOW DOWN to the overlords at Apple and simply say to ourselves, "Golly Jeepers, I guess we're not good enough to do this any more...the geniuses at Apple are simply to advanced for our pathetic ways. [/LIST] It's a brilliant idea, try to force people onto the iCloud to such an extent that they're likely going to lose customers using iPhones to switch to Androids. And how about them thar OS bugs? One day I had Mail, Safari, and TextEdit open, and suddenly the system comes to a complete crawl. I check Activity Monitor and the system has used up all 8GB of RAM and is now swapping. This has happened about 5 times. And then there are the visual improvements Lion and Mountain Lion have to offer, namely gray instead of color. Gray scroll bars, gray icons, is color confusing? ...oh well, I guess I've gotten off topic. [/QUOTE]
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Apple Computing Products:
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Mac hard drive test utilities and CoreStorage
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