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Sambo
Guest
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 Posted: Thu Aug 28, 2003 11:13 pm Post subject: Re: Physical repair for IDE harddrive (proven home physical |
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Folkert Rienstra <see_Reply-To@myweb.nl> wrote in message
news:bil8k1$aki8a$1@ID-79662.news.uni-berlin.de...
| Quote: | mchiper <notnuts@yahoo.com> wrote
Rod Speed <rod_speed@yahoo.com> wrote
All you/they would be doing is a repair, no recovery.
Maybe you would care to explain anyone can be sure
that the repair has been effective if you dont even
check to see if the data can be read from the platters.
Which doesn't require you to look at it.
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Yes, you can do half a job and not check
that the files can be read properly.
| Quote: | Just running a surface scan should be sufficient.
|
Wrong. That just checks that the sector can be read without
error. Doesnt check that the file system hasnt got corrupted
in the process of the fault that needed to be repaired.
| Quote: | Yes, my comment should have used the word repair rather
than recovery. Here it is again with the correct word used.
They may not have any choice on that if they
are attempting to do the repair properly.
Of course they have a choice.
|
Even you should be able to do a more convincing
troll than that pathetic effort, trollchild.
| Quote: | It all depends on having some powerful recovery software that
can repair damaged sector contents if possible and relocate the
data to a new sector and update OS structures accordingly.
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And the only real way to check how well thats been done is
to inspect the file contents and see if the files can be accessed
properly again, particularly that the app thats used for them
is happy with the repair thats been done on the file.
| Quote: | If that isn't possible the recovery software is to produce detailed
reports of what sectors are unrecoverable and in what files they are.
The drive can then be made usable by force-reallocating the bad sectors.
|
And the user may well prefer to have whats recoverable
from the file rather than just be told that the file was
affected by a bad sector and get nothing of the file back.
| Quote: | There is no need ever to personally look at files.
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Wrong. As always.
| Quote: | And when there is, e.g. to puzzle together lost fragments, the
original user can do that far better than any recovery specialist.
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Wrong. As always. Many users wouldnt be able to do that.
Many recovery specialists would be able to do a better job
of that than the worst of the end users, stupid.
| Quote: | To do that properly, the drive just needs to
be put in a computer to verify it no longer
clicks and gets properly recognized by bios.
That aint necessarily repaired properly.
What matters is whether the data can be
retrieved from the platters successfully.
Which only requires successful reads without error.
|
Wrong. As always. A real repair needs to check that
the file system has been repaired as well as possible
as well as just the basic sector level readability, cretin. |
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Al Dykes
Guest
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| Posted: Thu Aug 28, 2003 11:53 pm Post subject: Re: Physical repair for IDE harddrive (proven home physical |
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In article <3f4e463c$0$23610$5a62ac22@freenews.iinet.net.au>,
Sambo <sambo@nospam.com.uk> wrote:
| Quote: |
Folkert Rienstra <see_Reply-To@myweb.nl> wrote in message
news:bil8k1$aki8a$1@ID-79662.news.uni-berlin.de...
mchiper <notnuts@yahoo.com> wrote
Rod Speed <rod_speed@yahoo.com> wrote
All you/they would be doing is a repair, no recovery.
|
I don't believe any of the data recovery folks "repair" disks. They do
what that can, within your budget, to copy as many good blocks as they
can to other media, CDR or DVDR or tape cartridges. I've seen
contracts that state that they will void your disk warrantee to do
this. I'm sure they have software tools to do best-effort to recreate
file systems and recover documents but they run these on the data on
CDR, which is just a long flat file of 512 byte blocks.
| Quote: | Maybe you would care to explain anyone can be sure
that the repair has been effective if you dont even
check to see if the data can be read from the platters.
Which doesn't require you to look at it.
Yes, you can do half a job and not check
that the files can be read properly.
Just running a surface scan should be sufficient.
Wrong. That just checks that the sector can be read without
error. Doesnt check that the file system hasnt got corrupted
in the process of the fault that needed to be repaired.
Yes, my comment should have used the word repair rather
than recovery. Here it is again with the correct word used.
They may not have any choice on that if they
are attempting to do the repair properly.
Of course they have a choice.
Even you should be able to do a more convincing
troll than that pathetic effort, trollchild.
It all depends on having some powerful recovery software that
can repair damaged sector contents if possible and relocate the
data to a new sector and update OS structures accordingly.
And the only real way to check how well thats been done is
to inspect the file contents and see if the files can be accessed
properly again, particularly that the app thats used for them
is happy with the repair thats been done on the file.
If that isn't possible the recovery software is to produce detailed
reports of what sectors are unrecoverable and in what files they are.
The drive can then be made usable by force-reallocating the bad sectors.
And the user may well prefer to have whats recoverable
from the file rather than just be told that the file was
affected by a bad sector and get nothing of the file back.
There is no need ever to personally look at files.
Wrong. As always.
And when there is, e.g. to puzzle together lost fragments, the
original user can do that far better than any recovery specialist.
Wrong. As always. Many users wouldnt be able to do that.
Many recovery specialists would be able to do a better job
of that than the worst of the end users, stupid.
To do that properly, the drive just needs to
be put in a computer to verify it no longer
clicks and gets properly recognized by bios.
That aint necessarily repaired properly.
What matters is whether the data can be
retrieved from the platters successfully.
Which only requires successful reads without error.
Wrong. As always. A real repair needs to check that
the file system has been repaired as well as possible
as well as just the basic sector level readability, cretin.
|
--
Al Dykes
-----------
adykes@panix.com |
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Folkert Rienstra
Guest
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| Posted: Fri Aug 29, 2003 3:37 am Post subject: Re: Physical repair for IDE harddrive (proven home physical |
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"Al Dykes" <adykes@panix.com> wrote in message news:bilj40$59m$1@panix3.panix.com...
| Quote: | In article <3f4e463c$0$23610$5a62ac22@freenews.iinet.net.au>, Sambo <sambo@nospam.com.uk> wrote:
Folkert Rienstra <see_Reply-To@myweb.nl> wrote in message news:bil8k1$aki8a$1@ID-79662.news.uni-berlin.de...
mchiper <notnuts@yahoo.com> wrote
Rod Speed <rod_speed@yahoo.com> wrote
All you/they would be doing is a repair, no recovery.
I don't believe any of the data recovery folks "repair" disks. They do
what that can, within your budget, to copy as many good blocks as they
can to other media, CDR or DVDR or tape cartridges.
I've seen contracts that state that they will void your disk warrantee
|
What will void your warranty if not repair? Anything else is
either non invasive (void no warranty) or is much more expensive.
| Quote: | to do this. I'm sure they have software tools to do best-effort to
recreate file systems and recover documents but they run these on
the data on CDR, which is just a long flat file of 512 byte blocks.
|
That doesn't make any sense, whatsoever.
[snip]
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mchiper
Guest
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| Posted: Fri Aug 29, 2003 7:47 am Post subject: Re: Physical repair for IDE harddrive (proven home physical |
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"Folkert Rienstra" <see_Reply-To@myweb.nl> wrote:
| Quote: | "mchiper" <notnuts@yahoo.com> wrote in message news:hc7qkv0vv4a8iqq170kcmtubh1b9vd8dk0@4ax.com
"Rod Speed" <rod_speed@yahoo.com> wrote:
All you/they would be doing is a repair, no recovery.
Maybe you would care to explain anyone can be sure
that the repair has been effective if you dont even
check to see if the data can be read from the platters.
Which doesn't require you to look at it.
Just running a surface scan should be sufficient.
|
So you what them to fix the drive to the point that the drive
light is able to stop displaying an error code.
And return the drive to you..
Is that what you want?
Or do you want them to send you the surface scan report too.
And screw it if track 0 is trashed?
Is that what you want..
How far do you wnat them to continue playing this game?
Till you run out of dumb things to demand?
Will you pay by the hour, day or week? |
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mchiper
Guest
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| Posted: Fri Aug 29, 2003 8:05 am Post subject: Re: Physical repair for IDE harddrive (proven home physical |
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"Folkert Rienstra" <see_Reply-To@myweb.nl> wrote:
| Quote: | "mchiper" <notnuts@yahoo.com> wrote in message news:hc7qkv0vv4a8iqq170kcmtubh1b9vd8dk0@4ax.com
"Rod Speed" <rod_speed@yahoo.com> wrote:
All you/they would be doing is a repair, no recovery.
Re: (proven home physical repair met |
Am I missing some thing..
| Quote: |
Maybe you would care to explain anyone can be sure
that the repair has been effective if you dont even
check to see if the data can be read from the platters.
Which doesn't require you to look at it.
Just running a surface scan should be sufficient.
|
What the hell does repair but no recovery mean.
Replace a burned out stepper motor?
A bad board..
(Even I can do that..)
A spindle motor..
One "shaky" success. 50% file loss.. without the proper tools.
*** look at the data..
How about copy what can be gotten to another drive.
Then figure out what the "data" means..
The first thing you need to do if you value tha data on the drive,
is figure out whether you dare even let the platter spin.
Then depending on the condition of the platter, whether to polish it
or risk more damage by try it in another |
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mchiper
Guest
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| Posted: Fri Aug 29, 2003 8:24 am Post subject: Re: Physical repair for IDE harddrive (proven home physical |
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in1984 <pcoyle@yaf.org> wrote:
| Quote: | All you/they would be doing is a repair, no recovery. To do that properly,
the drive just needs to be put in a computer to verify it no longer clicks and
gets properly recognized by bios.
|
You seem to have a very specific set of repair problems you want fixed.
Here are a list of problems where that is insufficient.
WRT your set of results above..
How many times do you want them to verify thay are met?
Once, and send it to you.. No refunds..
Is that OK..
Or are you expecting a guarantee of some kind.
Now on to those problems that 100 such trials are not good enough.
The a platter spun on the spindle and needs to be re centered.
(Or any other problem requiring the platter(s) to be removed.)
Or the head(s) replaced.
About the only "repairs" where what you suggest would be
sufficient, you can do your self.
1. Repalce a board.
2. Remove the cover, and replace a stepper motor.
- Need to look again to be sure..
(Some resonable clean room practices obsrved)
Keep a supply of broken drives for parts..
That's what they do...
If they really get up tight, they may send the boards out
to a shop for repair by real electonics experts.
- Tends to cost.. they'll pass it on to you..
I think that's it. |
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