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  #1  
Old 07-17-2008, 09:14 PM
scooterspal
 
Posts: n/a
Default Recommend the best HD surface tester/fixer utility?

I have some of these external HD's running off USB2 cables.

I moved two of them while they were running (not wise I'm sure)
and I got an error later in the day to the affect...

Windors- Delayed Write failed:
\Device\HarddiskVolume2\$Mft

....on two different Dell systems

No data appears to have been lost and after closing the dialog
all seems OK... for now, anyway

I'm thinking my moving the HD may have damaged some sectors
and this is the reason for the error.

Any thoughts?

BTW: I upped my paging file. It was at the minimum. Not sure if this has
anything to do with it. I'm wondering if there is some kind of buffer
that took the hit? Just could not write fast enough of vice versa??

Thanks!
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  #2  
Old 07-18-2008, 04:35 AM
William R. Walsh
 
Posts: n/a
Default Re: Recommend the best HD surface tester/fixer utility?

Hi!

> Windors- Delayed Write failed:
> \Device\HarddiskVolume2\$Mft


> No data appears to have been lost and after closing the dialog
> all seems OK... for now, anyway


The damage was to the master file table (MFT). You will notice eventually,
when the disks fail to show up as valid formatted media.

> I'm thinking my moving the HD may have damaged some
> sectors and this is the reason for the error.


If the drives were running when you moved them, that could cause problems.
But if they weren't--and they were not dropped or abused--that shouldn't
cause any problems.

The drives could be going bad, but the first thing I'd do is make sure that
the bridge chips in the enclosures aren't failing, and that the power
supplies are working correctly.

Although it is not free, I would highly recommend the SpinRite tool from
Gibson Research Corporation. If a disk is about to die, or has a developing
internal problem, it will tell you and do all it can to recover all the
data. I have been very pleased with it--and sometimes downright
astounded--and I say that as nothing more than a satisfied customer.
http://grc.com/default.htm

If you do not want to or cannot use SpinRite, some drive manufacturers
provide diagnostic utilities you can use on their drives. There's also a
tool known as HDAT2 that you can find here: http://www.hdat2.com/. I don't
know much about it as I have yet to use it.

Another tool that might prove useful is the free SpeedFan utility. SpeedFan
can read and display SMART data. It also offers a function that analyzes
your drive's SMART data and tells you what might be happening if your drives
are failing. http://www.almico.com/speedfan.php

To get the maximum benefit from any of these tools, take the drives out of
their enclosures and plug them directly in your computer's hard disk
connections if at all possible. Not only will this speed the tests up
dramatically; it will also let you see SMART data, which can be useful if
either of the two drives report it (nearly all modern drives do). Just about
every external storage enclosure for USB or Firewire does not relay this
information.

William


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  #3  
Old 07-18-2008, 01:08 PM
RnR
 
Posts: n/a
Default Re: Recommend the best HD surface tester/fixer utility?

On Fri, 18 Jul 2008 04:35:22 GMT, "William R. Walsh"
<newsgroups1@idontwantjunqueemail.walshcomptech.co m> wrote:

>Hi!
>
>> Windors- Delayed Write failed:
>> \Device\HarddiskVolume2\$Mft

>
>> No data appears to have been lost and after closing the dialog
>> all seems OK... for now, anyway

>
>The damage was to the master file table (MFT). You will notice eventually,
>when the disks fail to show up as valid formatted media.
>
>> I'm thinking my moving the HD may have damaged some
>> sectors and this is the reason for the error.

>
>If the drives were running when you moved them, that could cause problems.
>But if they weren't--and they were not dropped or abused--that shouldn't
>cause any problems.
>
>The drives could be going bad, but the first thing I'd do is make sure that
>the bridge chips in the enclosures aren't failing, and that the power
>supplies are working correctly.
>
>Although it is not free, I would highly recommend the SpinRite tool from
>Gibson Research Corporation. If a disk is about to die, or has a developing
>internal problem, it will tell you and do all it can to recover all the
>data. I have been very pleased with it--and sometimes downright
>astounded--and I say that as nothing more than a satisfied customer.
>http://grc.com/default.htm
>
>If you do not want to or cannot use SpinRite, some drive manufacturers
>provide diagnostic utilities you can use on their drives. There's also a
>tool known as HDAT2 that you can find here: http://www.hdat2.com/. I don't
>know much about it as I have yet to use it.
>
>Another tool that might prove useful is the free SpeedFan utility. SpeedFan
>can read and display SMART data. It also offers a function that analyzes
>your drive's SMART data and tells you what might be happening if your drives
>are failing. http://www.almico.com/speedfan.php
>
>To get the maximum benefit from any of these tools, take the drives out of
>their enclosures and plug them directly in your computer's hard disk
>connections if at all possible. Not only will this speed the tests up
>dramatically; it will also let you see SMART data, which can be useful if
>either of the two drives report it (nearly all modern drives do). Just about
>every external storage enclosure for USB or Firewire does not relay this
>information.
>
>William
>


From "experience" several years ago, I might add that just because
SMART does not report a bad hard drive does NOT mean the drive is
healthy. I'm not sure right now how to diagnose without using SMART
(forget if Spinrite or Mfgr software has this capability and I'm still
working on my first cup of coffee). Obviously accurate or not, I'd
BACKUP the drive to a good drive if the OP hasn't already done so or
unless the data isn't that important. I guess there are a lot of
hard drive diagnostic software out there but I'll mention "hard disk
sentinel" (not free) as another suggestion because I use it, like it
and it's in realtime.
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  #4  
Old 07-18-2008, 01:41 PM
Ben Myers
 
Posts: n/a
Default Re: Recommend the best HD surface tester/fixer utility?

Let me add that drive manufacturers are wildly inconsistent in making use of the
SMART data. For example, Fujitsu initializes certain important (for the health
of the drive) values to extremely large non-zero values. I looked at the SMART
data on a 30GB Hitachi drive yesterday, and everything was A-OK, but Hitachi's
Drive Fitness Test identified corrupted sectors, so the drive is history. For
me, anyway.

Until the drive manufacturers actually play by the rules they have supposedly
mutually defined in the SMART pseudo-standard, the SMART data gives only a rough
indication of the health of the drive. I guess that some of them don't what us
all to know how crappy their drives really are... Ben Myers

On Fri, 18 Jul 2008 08:08:52 -0500, RnR <rnrtexas@gmail.com> wrote:

>On Fri, 18 Jul 2008 04:35:22 GMT, "William R. Walsh"
><newsgroups1@idontwantjunqueemail.walshcomptech.c om> wrote:
>
>>Hi!
>>
>>> Windors- Delayed Write failed:
>>> \Device\HarddiskVolume2\$Mft

>>
>>> No data appears to have been lost and after closing the dialog
>>> all seems OK... for now, anyway

>>
>>The damage was to the master file table (MFT). You will notice eventually,
>>when the disks fail to show up as valid formatted media.
>>
>>> I'm thinking my moving the HD may have damaged some
>>> sectors and this is the reason for the error.

>>
>>If the drives were running when you moved them, that could cause problems.
>>But if they weren't--and they were not dropped or abused--that shouldn't
>>cause any problems.
>>
>>The drives could be going bad, but the first thing I'd do is make sure that
>>the bridge chips in the enclosures aren't failing, and that the power
>>supplies are working correctly.
>>
>>Although it is not free, I would highly recommend the SpinRite tool from
>>Gibson Research Corporation. If a disk is about to die, or has a developing
>>internal problem, it will tell you and do all it can to recover all the
>>data. I have been very pleased with it--and sometimes downright
>>astounded--and I say that as nothing more than a satisfied customer.
>>http://grc.com/default.htm
>>
>>If you do not want to or cannot use SpinRite, some drive manufacturers
>>provide diagnostic utilities you can use on their drives. There's also a
>>tool known as HDAT2 that you can find here: http://www.hdat2.com/. I don't
>>know much about it as I have yet to use it.
>>
>>Another tool that might prove useful is the free SpeedFan utility. SpeedFan
>>can read and display SMART data. It also offers a function that analyzes
>>your drive's SMART data and tells you what might be happening if your drives
>>are failing. http://www.almico.com/speedfan.php
>>
>>To get the maximum benefit from any of these tools, take the drives out of
>>their enclosures and plug them directly in your computer's hard disk
>>connections if at all possible. Not only will this speed the tests up
>>dramatically; it will also let you see SMART data, which can be useful if
>>either of the two drives report it (nearly all modern drives do). Just about
>>every external storage enclosure for USB or Firewire does not relay this
>>information.
>>
>>William
>>

>
>From "experience" several years ago, I might add that just because
>SMART does not report a bad hard drive does NOT mean the drive is
>healthy. I'm not sure right now how to diagnose without using SMART
>(forget if Spinrite or Mfgr software has this capability and I'm still
>working on my first cup of coffee). Obviously accurate or not, I'd
>BACKUP the drive to a good drive if the OP hasn't already done so or
>unless the data isn't that important. I guess there are a lot of
>hard drive diagnostic software out there but I'll mention "hard disk
>sentinel" (not free) as another suggestion because I use it, like it
>and it's in realtime.

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  #5  
Old 07-18-2008, 08:08 PM
William R. Walsh
 
Posts: n/a
Default Re: Recommend the best HD surface tester/fixer utility?

Hi!

> From "experience" several years ago, I might add that just because
> SMART does not report a bad hard drive does NOT mean the drive
> is healthy.


It's not foolproof, and I wasn't trying to say that. There are a
number of problems with SMART:

1. Many system BIOSes ignore it, even when a drive is signaling that
one of the monitored parameters has been violated.

2. Not all the parameters a drive can report and their significance
are known.

3. Perhaps the worst of all is that most drives have to be exercised a
bit to get their SMART systems to take notice of a problem. Normal
usage doesn't seem to be enough. Interestingly enough, at least in my
very informal research, Maxtor drives seem to be the best about this
aspect--I have seen them performing what appears to be a self test
when idle. (I wouldn't recommend them for much else, though.)

> I'm not sure right now how to diagnose without using SMART
> (forget if Spinrite or Mfgr software has this capability and I'm
> still working on my first cup of coffee).


SpinRite will use SMART data if it can find it, which it won't do for
most add-in controllers, such as SATA expansion cards.

If you don't have the virtue of SMART data, a throughput test can be
useful--if you know how fast the drive should normally be able to
transfer data. Any drop-offs in data throughput can mean that the
drive is starting to have internal problems. Performance during spinup
(which is usually fairly easy to hear) can be monitored...any
shutdowns, or unusual sounding clicks or clunks indicate trouble.

And of course, the original poster should definitely back up anything
that is irreplaceable before starting with any drive diagnostics
routine. I forgot that. There is always the possibility that a
diagnostics tool could push an ailing drive over the edge.

William
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  #6  
Old 07-19-2008, 02:19 AM
RnR
 
Posts: n/a
Default Re: Recommend the best HD surface tester/fixer utility?

On Fri, 18 Jul 2008 13:08:56 -0700 (PDT), "William R. Walsh"
<wm_walsh@hotmail.com> wrote:

>Hi!
>
>> From "experience" several years ago, I might add that just because
>> SMART does not report a bad hard drive does NOT mean the drive
>> is healthy.

>
>It's not foolproof, and I wasn't trying to say that. There are a
>number of problems with SMART:
>
>1. Many system BIOSes ignore it, even when a drive is signaling that
>one of the monitored parameters has been violated.
>
>2. Not all the parameters a drive can report and their significance
>are known.
>
>3. Perhaps the worst of all is that most drives have to be exercised a
>bit to get their SMART systems to take notice of a problem. Normal
>usage doesn't seem to be enough. Interestingly enough, at least in my
>very informal research, Maxtor drives seem to be the best about this
>aspect--I have seen them performing what appears to be a self test
>when idle. (I wouldn't recommend them for much else, though.)
>
>> I'm not sure right now how to diagnose without using SMART
>> (forget if Spinrite or Mfgr software has this capability and I'm
>> still working on my first cup of coffee).

>
>SpinRite will use SMART data if it can find it, which it won't do for
>most add-in controllers, such as SATA expansion cards.
>
>If you don't have the virtue of SMART data, a throughput test can be
>useful--if you know how fast the drive should normally be able to
>transfer data. Any drop-offs in data throughput can mean that the
>drive is starting to have internal problems. Performance during spinup
>(which is usually fairly easy to hear) can be monitored...any
>shutdowns, or unusual sounding clicks or clunks indicate trouble.
>
>And of course, the original poster should definitely back up anything
>that is irreplaceable before starting with any drive diagnostics
>routine. I forgot that. There is always the possibility that a
>diagnostics tool could push an ailing drive over the edge.
>
>William



William my post wasn't meant to sound like it was accusing you of
saying SMART always works. Sorry if it sounded that way (maybe bad
choice of words?? ) but rather just to add to your post for more
information. Matter of fact, I think your first post was very
informative !!
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