[ale] possible to use hard drives that have bad blocks ?

[ale_nospam at fayettedigital.com (Jim Lynch)]

As cheap as disks are these days, if this is an internal 3.5" drive, I'd 
replace it.  If one block is bad, how long before another one goes?

Jim.
Courtney Thomas wrote:

>I've got a couple of HDs that when I:
>
>dd if=/dev/hdX of=/dev/null bs=1m
>
>I get a single instance of something like:
>
>FAILURE - READ_DMA status=51 <READY, DSC, ERROR> error=40
><UNCORRECTABLE> LBA=19194112 Input/output error
>
>My question is: does this signify a single bad block and is there a way
>to identify this error to some program that can block it's use, so the
>drive can be used ?
>
>Thank you,
>Courtney
>
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