Need good disk dump utility
Paul Koning
pkoning at equallogic.com
Mon Apr 25 09:55:04 CDT 2005
>>>>> "Jules" == Jules Richardson <julesrichardsonuk at yahoo.co.uk> writes:
Jules> On Mon, 2005-04-25 at 09:44 -0400, Paul Koning wrote:
>> >>>>> "Vintage" == Vintage Computer Festival <vcf at siconic.com>
>> writes:
>>
Vintage> Is there anything in Linux that will dump a disk image and
Vintage> put blank space where bad sectors are? It's not certain if
Vintage> dd does this.
>> Neither Linux the manpage nor the info for dd is clear on this.
>> But the NetBSD manpage says that if you say "conv=error" then dd
>> will omit any bad blocks from the output, while if you say
>> "conv=error,sync" it will substitute zeroes for bad blocks.
Jules> That's interesting. I've not seen a mention of an 'error'
Jules> param before in the *linux* dd man pages, and don't recall it
Jules> from other platforms that support dd either. There's a
Jules> *noerror* param though - if set then it allows dd to continue
Jules> even if it hits a read (and presumably write) error....
Sorry, slip of the finger. "noerror" is what I meant to say. So
"conv=noerror,sync" should do the job.
paul
More information about the cctalk
mailing list