USB2 pen really slow when copying many small files?

  • Thread starter Thread starter Martin
  • Start date Start date
M

Martin

Hi,

has anyone every tried copying many small files onto a large (2gb) USB 2.0
pen drive? I am talking about around 250 files, each a few KB in size.
Takes me 2 minutes to copy them onto the drive...with the total folder size
being only 4.4 mb! So I don't even get USB1 speed, it's more like around
40KB/sec!

Funny thing is, it works absolutely fine under Win2000, only under XP (SP1)
the
speed drops. Upgrading to SP2 didn't help. Enabling the write cache for the
USB
drive (the "optimize for performance" setting) didn't help either.

The drive is formatted as FAT. I tried formatting it NTFS, and after that it
worked just fine and pretty fast. So it seems to be a driver problem with
XP's usb
driver writing FAT ? I'd just format the drive as NTFS and be happy with it,
but since NTFS is a journaling file system, I wonder if that'll wear out the
drive's
flash memory really fast ?
Unfortunately, there is no manufacturer driver for my disk (it's a SanDisk
Cruzer Titanium, 2gb).

Any help greatly appreciated,
Martin
 
Did you check SanDisk tech support? www.sandisk.com
Are you using mfg supplied software (PocketCache)?
Are you Encrypting files?
I would think you would check w/mfg!
 
Did you check SanDisk tech support? www.sandisk.com
Are you using mfg supplied software (PocketCache)?
Are you Encrypting files?
I would think you would check w/mfg!
Click to expand...

i have contacted sandisk support, but have not received a truly
helpful answer so far. i am neither using supplied software nor
encryption or anything, just plain copying via windows explorer.

martin
 
Is this the same machine that ran Windows 2000 and now runs XP?

If it is and you see a difference then its down to the driver
implementation as the hardware hasn't changed. What you can try is
another USB2 port on an add-in card, say using the NEC chipset which is
recognised by XP and re-test.
 
it's not the same machine, but i've tried it on multiple win2k and
winxp machines. same result every time..
 
Another posting in the drivers newsgroup said that indeed
the FAT inplementation has been changed from win2k to XP,
and this affects performance of USB drives.
Try to ask in microsoft.public.windows.file_system or
microsoft.public.storage or microsoft.public.development.device.drivers

Regards,
--PA
 
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