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Re: [PLUG] Saving data from a precarious drive
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It really depends on what you think is wrong with the drive....
If you think that it's some sort of mechanical problem, you might just want to use dd. This will take longer, but there should be little or no disk-thrashing, as dd will copy each sector in order.
If you think that you're time is limited regardless of your route (ie, an electronics problem), then go for a file-level copy of some sort. Sure, this will cause more mechanical strain, but it will take less time.
On Wed, Apr 30, 2008 at 9:55 AM, Mark Baker < mark.baker@hxti.com> wrote:
I wouldn't worry about taxing the drive. I would get the data off as
soon as possible. I have had very good results with dd_rescue. In my
opinion it is one of the best tools out there. When you have a server
go down due to a drive failure & in a moment of panic realize that the
backups havent been running on that server.... dd_rescue will save
your butt every time.
http://www.garloff.de/kurt/linux/ddrescue/
Mark
> Subject: [PLUG] Saving data from a precarious drive
>
> I have a 200 GB IDE drive that recently stopped being detected by the
BIOS.
> After I did a dist-upgrade and was forced to reboot, the drive
reappeared.
> The drive had not given me problems prior to disappearing. I still
don't
> trust it and am ordering a replacement.
>
> Once the replacement arrives I want to copy the contents, mostly audio
files,
> to the new drive, but don't want to do it in a way that will tax the
drive
> and make it fail during the copy.
>
> My first thought was rsync, but I am concerned about the effect this
> (transferring ~180 GB at once) may have on the precarious drive.
>
> Another thought was to just copy a little at a time, giving it a
chance to
> rest in between, but am reminded that sometimes turning things on and
off
> causes more wear than being left on.
>
> What are the best practices in this situation?
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