[TAG] Hard Drive Access Locking out Application
jimregan at o2.ie
Tue Oct 4 12:08:55 MSD 2005
Benjamin A. Okopnik wrote:
> On Sun, Oct 02, 2005 at 04:50:23PM -0700, Mike Orr wrote:
>>sklund1 at comcast.net wrote:
>>>I have noticed that when I write large files to a USB pendrive or compact
>>>flash, there can be quite a delay from umounting the device and "flushing"
>>>the output buffers. However, I did not see the the "lockouts" described
>>>above on my older (2+ years older) Sony Vaio.
>>How long is "quite a delay"? Yes, it can takes a significant amount of
>>time to unmount devices. No, I haven't seen flash devices taking longer
>>than fifteen seconds. But there may be some devices or computers out
>>there that do, and there may be nothing you can do about it.
> My old 128MB SmartMedia card, which I was using in a FlashPath device
> (looks like a floppy, accepts a flash device) took several minutes
> whenever I copied a large image to it; heck, I recall a 5MB gzipped file
> taking at least a minute or so. Not only could you not umount it during
> that time, the CPU activity (???) was so high that other operation on
> the computer became painfully slow. This may well have been due to the
> (proprietary) software, though (it was the only thing available for
> FlashPath under Linux at the time.)
I've seen worse... try Captive NTFS - 2MB file took 25+ minutes :)
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