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09-24-2011, 02:36 PM   #1
Dominique
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Deframenting camera

Just wondering if someone could refresh my memory on how to defrag my card on my camera. I have a Pentax K-x. Thanks

09-24-2011, 02:41 PM   #2
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Just format it

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09-24-2011, 05:05 PM   #3
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full format... not quick format.
09-24-2011, 11:41 PM   #4
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Format it via the camera options for best results prior to use. It is not recommended to format it on the computer and then use it.

09-25-2011, 12:05 AM   #5
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+1 : format card in camera
09-25-2011, 12:06 AM   #6
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QuoteOriginally posted by mpmetro Quote
full format... not quick format.
There is no advantage to this for an otherwise healthy card. All a "full" format does differently is force a scan for bad sectors, which is mainly geared towards normal hard drives.

QuoteOriginally posted by wcchamp18 Quote
Format it via the camera options for best results prior to use. It is not recommended to format it on the computer and then use it.
There's no advantage to this either, assuming you're using Windows to format it. If one's only options are linux or mac, then perhaps the camera is a better choice - although as long as the correct filesystem and options are set, it shouldn't matter at all. That said, there is absolutely nothing wrong with using the camera's format function to do it.
09-25-2011, 12:36 AM   #7
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Why do you even want to defragment your memory card?
Defragmenting helps magnetic hard drives because they read data in continous strips along the drive, when it becomes discontinous, the drive needs to find the next section and move the head there over and over again. Solid state memory devices, such as SD cards, don't need to mechanically shift anything. There is no significant advantage to keeping the data continous with solid state memory. In fact, many SD cards intentionally distribute data across the card to keep the wear levels consistent across the whole card to prevent premature failure. Many of them will even automatically remap bad sectors rendering a full format meaningless.
09-25-2011, 02:58 AM   #8
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QuoteOriginally posted by Ailuropoda Quote
Why do you even want to defragment your memory card?
Quite right. It's totally unnecessary. I've used a variety of cards and formats over the last decade, in image and sound recorders. The number of times I've had to reformat a card can be counted on one hand, with a couple fingers left over for rude gestures. Defragging semiconductor memory makes zero sense, unless one gets their jollies watching the graphic display.

09-25-2011, 03:00 AM   #9
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QuoteOriginally posted by RioRico Quote
Quite right. It's totally unnecessary. I've used a variety of cards and formats over the last decade, in image and sound recorders. The number of times I've had to reformat a card can be counted on one hand, with a couple fingers left over for rude gestures. Defragging semiconductor memory makes zero sense, unless one gets their jollies watching the graphic display.
And one could argue it will shorten a cards life, as it will eat through the Maximum Write Cycles quicker....
09-25-2011, 03:23 AM   #10
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There is no complelling reason to defrag (*), but formatting in camera still makes sure that the firmware gets to work with a mint filesystem formatted according its own idea of a FAT implementation; FAT is not a formal standard, but a de-facto one that has been tweaked numerous times since its introduction.

(*) There might (or might not) be a theoretical benefit arising from flash page size vs. FAT cluster size though .
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