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Delayed Write Failed on USB disks

 
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Martijn Saly

External


Since: Aug 08, 2005
Posts: 24



(Msg. 1) Posted: Sat Sep 02, 2006 8:55 am
Post subject: Delayed Write Failed on USB disks
Archived from groups: microsoft>public>windowsxp>hardware (more info?)

Hi all,

I have several USB disks, all different makes and models. I use them on
different Windows XP computers. The disks are working nicely, even when
using them all of them simultaneously.

Now when I leave them connected, put my pc in hibernation, unplug them and
resume from hibernation, Windows might come up with an error saying "Delayed
Write Failed" and refers to G:\$MFT (where G: is one of my USB disks).

Because this happens on all computers I've come across so far, and with all
USB disks I've had, logic dictates that hardware is not at fault. So I have
2 questions about this error:

1) Why does Windows delay writes when Windows knows it shouldn't do that??
2) Most importantly, when will Microsoft fix this?

--
Thanks,

Martijn Saly

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Richard Urban

External


Since: Feb 28, 2004
Posts: 1092



(Msg. 2) Posted: Sat Sep 02, 2006 9:08 am
Post subject: Re: Delayed Write Failed on USB disks [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

The more important question is why are YOU using hibernate incorrectly!

Hibernate returns the computer "exactly" to the condition it was in when you
implemented hibernation.

YOU have removed the USB drives. YOU have made it so the computer is NOT in
the exact condition it was in when hibernation occurred.

Suggest you modify your actions.

--
Regards,

Richard Urban
Microsoft MVP Windows Shell/User
(For email, remove the obvious from my address)

Quote from George Ankner:
If you knew as much as you think you know,
You would realize that you don't know what you thought you knew!



"Martijn Saly" <martijn RemoveThis @thany.org> wrote in message
news:udqxPJozGHA.1268@TK2MSFTNGP02.phx.gbl...
> Hi all,
>
> I have several USB disks, all different makes and models. I use them on
> different Windows XP computers. The disks are working nicely, even when
> using them all of them simultaneously.
>
> Now when I leave them connected, put my pc in hibernation, unplug them and
> resume from hibernation, Windows might come up with an error saying
> "Delayed Write Failed" and refers to G:\$MFT (where G: is one of my USB
> disks).
>
> Because this happens on all computers I've come across so far, and with
> all USB disks I've had, logic dictates that hardware is not at fault. So I
> have 2 questions about this error:
>
> 1) Why does Windows delay writes when Windows knows it shouldn't do that??
> 2) Most importantly, when will Microsoft fix this?
>
> --
> Thanks,
>
> Martijn Saly

 >> Stay informed about: Delayed Write Failed on USB disks 
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Martijn Saly

External


Since: Aug 08, 2005
Posts: 24



(Msg. 3) Posted: Sat Sep 02, 2006 10:55 am
Post subject: Re: Delayed Write Failed on USB disks [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Richard Urban wrote:
> The more important question is why are YOU using hibernate incorrectly!
>
> Hibernate returns the computer "exactly" to the condition it was in when you
> implemented hibernation.
>
> YOU have removed the USB drives. YOU have made it so the computer is NOT in
> the exact condition it was in when hibernation occurred.
>
> Suggest you modify your actions.
>

Sorry, but it is the same as disconnecting the USB disk at the moment of
hibernating. Upon resuming I do hear the "device disconnect" sound as
expected, so Windows knows the device has been disconnected. So rather than
bothing the user with a cryptic error, it could say something clearer.

Anyway, I still think the most important matter is that Windows simply
should NEVER delay writes to a disk that can potentially be disconnected at
any given moment.

Moreover, this problem can also occur without ever using hibernation. Just
write a large lump of data to a USB disk and when the action appears to have
completed, disconnect the disk (this is how a n00b user will think). Then
you might get either the "delayed write failed" error, or the written files
are just corrupted, which is much worse.

--
Thanks,

Martijn Saly
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Tony

External


Since: Sep 11, 2006
Posts: 1



(Msg. 4) Posted: Tue Sep 12, 2006 3:55 pm
Post subject: Re: Delayed Write Failed on USB disks [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Richard Urban" <richardurbanREMOVETHIS.DeleteThis@hotmail.com> wrote in message
news:%231VizxwzGHA.3304@TK2MSFTNGP05.phx.gbl...
> Because writes that are in progress are not flushed to the USB device upon
> the initiation of hibernation. Now, you disconnect the USB device while
> the computer is hibernated. Where do you expect the writes to go when you
> again turn on your computer. You have removed the target drive.
>
> Again, YOU are the problem! This is the case with 90% of all computer
> problems. They are user initiated. I have been fighting clients for years
> because they refuse to change their ways. But hey, it's good money!
>
> --
> Regards,
>
> Richard Urban
> Microsoft MVP Windows Shell/User
> (For email, remove the obvious from my address)

I have the same "delayed write" error but it happens on return from
hibernation when the USB HDD is _still_ connected. The caddy LED indicates
disk activity for a long time, then the error message appears and the drive
letter disappears from Explorer - even though the "safe disconnect" icon
shows, and if I click it it tells me that the device is "working properly".

Also the HDD is not recognised if already connected on startup but it is
recognised every time when plugging into the running PC. I have SP2 fully
updated etc. Tried double head USB lead in case of power problems, no
difference. USB drive is optimised for quick disconnect. Power saving in
USB roots disabled.

This is not convenient for the way I would prefer to work so suggestions
appreciated..

--
Tony W
My e-mail address has no hyphen
- but please don't use it, reply to the group.
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jiggersplat at hotmail do

External


Since: Dec 11, 2006
Posts: 1



(Msg. 5) Posted: Mon Dec 11, 2006 6:33 am
Post subject: Re: Delayed Write Failed on USB disks [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

i'm having the same issues. drive works fine if i plug it in when the
machine is up. however, if i boot with the device plugged in or resume from
hibernation the drive is not detected and i start getting delayed write
errors. i'm running windows xp sp2. drive is 120mb 2.5 external usb drive
being powered from the usb bus (plugged into a powered hub). suggestions?

"Tony" wrote:

> I have the same "delayed write" error but it happens on return from
> hibernation when the USB HDD is _still_ connected. The caddy LED indicates
> disk activity for a long time, then the error message appears and the drive
> letter disappears from Explorer - even though the "safe disconnect" icon
> shows, and if I click it it tells me that the device is "working properly".
>
> Also the HDD is not recognised if already connected on startup but it is
> recognised every time when plugging into the running PC. I have SP2 fully
> updated etc. Tried double head USB lead in case of power problems, no
> difference. USB drive is optimised for quick disconnect. Power saving in
> USB roots disabled.
>
> This is not convenient for the way I would prefer to work so suggestions
> appreciated..
 >> Stay informed about: Delayed Write Failed on USB disks 
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