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Re: badblocks -- how much time does it take?



On Sat, Jan 12, 2008 at 03:11:57PM -0600, Ron Johnson wrote:
> On 01/12/08 11:40, Towncat wrote:
>> Hi,
>>
>> I did a
>>
>> /sbin/badblocks -c 10240 -w -t random -v /dev/sda2
>
> Why?  Don't you trust brand new disk drives?
>
>> where sda2 is a 320 gb partition. The process has been running for
>> approx 18 hours and is just over three thirds. Is this really supposed
>> to be so slow,
>
> Yes.
>
>>                 or is there something wrong? The machine is a Core Duo
>> 1,6, 2GB memory.
>
> CPU speed helps, I guess, but always the important factor in disk activity 
> is the disk itself.  A 10K or 15K RPM FC drive connected to a 4GBps HBA 
> will do the bad block scan *much* faster than an IDE or SATA drive.
thats a bit unfair comparing a 7K to 10K or 15K.

personal note I don't think the fc has much to do with it (if its only a bad 
block scan and there is nothing else happening )
>
> -- 
> Ron Johnson, Jr.
> Jefferson LA  USA
>
> "I'm not a vegetarian because I love animals, I'm a vegetarian
> because I hate vegetables!"
> unknown
>
>
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-- 
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	- George W. Bush
08/06/2004
Washington, DC

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