What's The Best File System For An External Drive?
#1
Posted 26 November 2012 - 07:50 AM
#3
Posted 26 November 2012 - 08:58 AM
#5
Posted 26 November 2012 - 10:16 AM
It's ridiculous that Apple's computers still don't support NTFS without buying a 3rd party application.
#6
Posted 26 November 2012 - 01:54 PM
#7
Posted 26 November 2012 - 03:33 PM
#8
Posted 26 November 2012 - 06:59 PM
#9
Posted 27 November 2012 - 08:16 AM
JimH443, on 26 November 2012 - 01:54 PM, said:
yes, but the default format is usually FAT32, which can't handle large files.
#10
Posted 27 November 2012 - 08:17 AM
compguru62, on 26 November 2012 - 03:33 PM, said:
exFAT works fine on all; the versions of OSX we have.
#11
Posted 27 November 2012 - 09:25 AM
KLanD, on 27 November 2012 - 08:16 AM, said:
JimH443, on 26 November 2012 - 01:54 PM, said:
yes, but the default format is usually FAT32, which can't handle large files.
This isn't true for the external drives I've bought. I've put DVD-9 (8+ GB) ISO files on them with no problem.
I wouldn't ever want to put a large file on a flash drive; most of them are also limited to USB 2.0. File transfer times with large files are unacceptable. External drives, OTOH, are easily portable and offer USB 3.0.
#12
Posted 27 November 2012 - 01:20 PM
JimH443, on 27 November 2012 - 09:25 AM, said:
KLanD, on 27 November 2012 - 08:16 AM, said:
JimH443, on 26 November 2012 - 01:54 PM, said:
yes, but the default format is usually FAT32, which can't handle large files.
This isn't true for the external drives I've bought. I've put DVD-9 (8+ GB) ISO files on them with no problem.
I wouldn't ever want to put a large file on a flash drive; most of them are also limited to USB 2.0. File transfer times with large files are unacceptable. External drives, OTOH, are easily portable and offer USB 3.0.
If you put an 8Gb file on it, it was probably in NTFS, not FAT32.
#13
Posted 27 November 2012 - 03:31 PM
KLanD, on 27 November 2012 - 01:20 PM, said:
JimH443, on 27 November 2012 - 09:25 AM, said:
KLanD, on 27 November 2012 - 08:16 AM, said:
JimH443, on 26 November 2012 - 01:54 PM, said:
yes, but the default format is usually FAT32, which can't handle large files.
This isn't true for the external drives I've bought. I've put DVD-9 (8+ GB) ISO files on them with no problem.
I wouldn't ever want to put a large file on a flash drive; most of them are also limited to USB 2.0. File transfer times with large files are unacceptable. External drives, OTOH, are easily portable and offer USB 3.0.
If you put an 8Gb file on it, it was probably in NTFS, not FAT32.
Whatever it is, it's the default. The default works just fine with any file size we're likely to come across in the next 10 years or so - well beyond the device's life-cycle. For the vast majority of people, for the vast majority of circumstances, a mass delete from the root directory will do just fine and be much faster. I can think of only 3 circumstances that would/could require a reformatting:
1) Getting rid of the drive - clearing all data from it for disposal.
2) The drive becomes infected with an extremely persistent virus.
3) The drive will be hooked up to a computer that doesn't recognize its default format.
By it's very nature, #1 will happen only once per drive, per owner.
With any luck, #2 won't happen at all.
The likelihood of #3 depends on the owner's circumstances. I doubt more than 10% of people will ever encounter this situation even once. It'll probably happen - and may have already happened - and you'll probably hear about it when it does, since the internet allows millions of people to hear about a one in a million occurrence,
#14
Posted 28 November 2012 - 02:41 PM
Quote
No.. not until you Empty Trash (at least on a Mac) will the drive reclaim the space you deleted.
#15
Posted 28 November 2012 - 05:20 PM
gyffesgyffeshcr8, on 28 November 2012 - 02:41 PM, said:
Quote
No.. not until you Empty Trash (at least on a Mac) will the drive reclaim the space you deleted.
By default, on a PC, deletions on a flash drive do not go to the Trash. I don't know if this default can be changed.
I forget the default size of the Trash for an external drive on a PC - I think it's 10%. Whatever it is, anything that overflows that amount will get deleted.
So, technically, you are correct for an external drive - if you want ALL the space back immediately, it is necessary to empty the trash. If you're satisfied with 90% of capacity, that step can be ignored for the moment.
Edit: And, of course, "deleted" isn't really deleted - it's simply marked as "Available."
This post has been edited by JimH443: 28 November 2012 - 05:23 PM
#16
Posted 28 November 2012 - 05:39 PM
http://support.microsoft.com/kb/154997
Quote
FAT32 provides the following enhancements over previous implementations of the FAT file system:
FAT32 supports drives up to 2 terabytes in size.
NOTE: Microsoft Windows 2000 only supports FAT32 partitions up to a size of 32 GB.
FAT32 uses space more efficiently. FAT32 uses smaller clusters (that is, 4-KB clusters for drives up to 8 GB in size), resulting in 10 to 15 percent more efficient use of disk space relative to large FAT or FAT16 drives.
FAT32 is more robust. FAT32 can relocate the root folder and use the backup copy of the file allocation table instead of the default copy. In addition, the boot record on FAT32 drives is expanded to include a backup copy of critical data structures. Therefore, FAT32 drives are less susceptible to a single point of failure than existing FAT16 drives.
FAT32 is more flexible. The root folder on a FAT32 drive is an ordinary cluster chain, so it can be located anywhere on the drive. The previous limitations on the number of root folder entries no longer exist. In addition, file allocation table mirroring can be disabled, allowing a copy of the file allocation table other than the first one to be active. These features allow for dynamic resizing of FAT32 partitions. Note, however, that although the FAT32 design allows for this capability, it will not be implemented by Microsoft in the initial release.
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#17
Posted 29 November 2012 - 10:58 AM
#18
Posted 29 November 2012 - 11:11 AM
Quote
Shift+Delete bypasses the trash/recycle bin entirely.
#19
Posted 30 November 2012 - 11:46 AM
JimH443, on 27 November 2012 - 03:31 PM, said:
KLanD, on 27 November 2012 - 01:20 PM, said:
JimH443, on 27 November 2012 - 09:25 AM, said:
KLanD, on 27 November 2012 - 08:16 AM, said:
JimH443, on 26 November 2012 - 01:54 PM, said:
yes, but the default format is usually FAT32, which can't handle large files.
This isn't true for the external drives I've bought. I've put DVD-9 (8+ GB) ISO files on them with no problem.
I wouldn't ever want to put a large file on a flash drive; most of them are also limited to USB 2.0. File transfer times with large files are unacceptable. External drives, OTOH, are easily portable and offer USB 3.0.
If you put an 8Gb file on it, it was probably in NTFS, not FAT32.
Whatever it is, it's the default. The default works just fine with any file size we're likely to come across in the next 10 years or so - well beyond the device's life-cycle. For the vast majority of people, for the vast majority of circumstances, a mass delete from the root directory will do just fine and be much faster. I can think of only 3 circumstances that would/could require a reformatting:
1) Getting rid of the drive - clearing all data from it for disposal.
2) The drive becomes infected with an extremely persistent virus.
3) The drive will be hooked up to a computer that doesn't recognize its default format.
By it's very nature, #1 will happen only once per drive, per owner.
With any luck, #2 won't happen at all.
The likelihood of #3 depends on the owner's circumstances. I doubt more than 10% of people will ever encounter this situation even once. It'll probably happen - and may have already happened - and you'll probably hear about it when it does, since the internet allows millions of people to hear about a one in a million occurrence,
Read back up. NTFS isn't compatible wit OSX (by default).
So again, you're only left with exFAT
#20
Posted 30 November 2012 - 11:50 AM
gyffesgyffeshcr8, on 28 November 2012 - 02:41 PM, said:
Quote
No.. not until you Empty Trash (at least on a Mac) will the drive reclaim the space you deleted.
This is a really annoying "feature" of OSX. Every time you 'delete' something off of a USB Key, it's actually going into a hidden folder called 'Trash'. The problem is; The folder is hidden. Take the key to some PCs and the key will look empty, but it's full.
Confuses the hell out of a lot of users.
I also find all the extra files a Mac makes to be annoying.
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