"John7" <(E-Mail Removed)> wrote in message
news:cqbunv$66l$(E-Mail Removed)...
> "Pegasus (MVP)" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
> >
> > "John7" <(E-Mail Removed)> wrote in message
> > news:cqbt6g$6tf$(E-Mail Removed)...
> > > > > > > Hi,
> > > > > > >
> > > > > > > Lately, while defragging a 100GB hard disk
> > > > > > > defrag.msc crashed. After reboot this disk had
> > > > > > > disappeared. Disk Management reports a
> > > > > > > 7.87GB 'healthy' disk, but unformated and empty.
> > > > > > > I lost 43GB of data "!@#$%&".
> > > > > > >
> > > > > > > Any chance of recovery and how ?
> > > > > > >
> > > > > > > I'm afraid to defrag other disks now.
> > > > > > > How can I prevent defrag from crashing ?
> > > > > > > The system had no problems so far.
> > > > > > >
> > > > > > > John
> > > > > >
> > > > > > Here are some tools that might help:
> > > > > >
> > > > > > http://www.restorer2000.com/r2k.htm (to restore NTFS
partitions -
> > > seems
> > > > to
> > > > > > work well)
> > > > > > http://www.hddrecovery.com.au
> > > > > > http://bootmaster.filerecovery.biz (has NTFS undelete tools too)
> > > > > > http://www.runtime.org/ (GetDataBack)
> > > > > > www.acronis.com (RecoveryExpert)
> > > > > >
> > > > > > In general I think that defragging is unnecessary and
potentially
> > > > > > harmful (as you found out). In most cases you would need a
> > > > > > stopwatch in a tightly controlled test to detect a measurable
> > > > > > benefit in performance before and after defragging.
> > >
> > >
> > > Sorry, re-phrasing ...
> > >
> > > How to distinguish the good from the bad - Tools above?
> > > Any experiences / preferences - Regarding these tools?
> > >
> > > John7
> > >
> > > > Sorry, I do not understand your question. Please elaborate.
> >
> > I'm pragmatic: I weigh up the benefits against the costs. Defragging
> > is equivalent to open heart surgery: If the power fails in the middle
> > of the operation then it's just bad luck for the patient. I used to get
> > a warm feeling each time I defragged my disk but then I noticed
> > that it did not appear to improve performance, so I stopped doing it.
> > Why risk my machine if the benefit is marginal?
> >
> >
>
> True, but unfortunately I'm stuck with my sick patient now.
> Any suggestions to my re-phrased 2 questions above ?
>
OK, I now see what you mean. Of these tools -
http://www.restorer2000.com/r2k.htm (to restore NTFS partitions - seems to
work well)
http://www.hddrecovery.com.au
http://bootmaster.filerecovery.biz (has NTFS undelete tools too)
http://www.runtime.org/ (GetDataBack)
www.acronis.com (RecoveryExpert)
I have used the Recovery Expert from Acronis to recover
lost partitions. It worked fine. I have also had good newsgroup
feedback for restorer2000.
Many tools let you install a free trial version. It shows you what
it discovers but it won't let you retrieve anything until you pay up.