Have not the ZFS data corruption researchers been in touch with Jeff Bonwick
and the ZFS team?
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On Thu, Apr 01, 2010 at 12:38:29AM +0100, Robert Milkowski wrote:
> So I wasn't saying that it can work or that it can work in all
> circumstances but rather I was trying to say that it probably shouldn't
> be dismissed on a performance argument alone as for some use cases
It would be of grea
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On 2010/03/31 05:13, Darren J Moffat wrote:
> On 31/03/2010 10:27, Erik Trimble wrote:
>> Orvar's post over in opensol-discuss has me thinking:
>>
>> After reading the paper and looking at design docs, I'm wondering if
>> there is some facility to allo
On 31/03/2010 16:44, Bob Friesenhahn wrote:
On Wed, 31 Mar 2010, Robert Milkowski wrote:
or there might be an extra zpool level (or system wide) property to
enable checking checksums onevery access from ARC - there will be a
siginificatn performance impact but then it might be acceptable for
On Wed, 31 Mar 2010, Robert Milkowski wrote:
or there might be an extra zpool level (or system wide) property to enable
checking checksums onevery access from ARC - there will be a siginificatn
performance impact but then it might be acceptable for really paranoid folks
especially with modern
On 31/03/2010 10:27, Erik Trimble wrote:
Orvar's post over in opensol-discuss has me thinking:
After reading the paper and looking at design docs, I'm wondering if
there is some facility to allow for comparing data in the ARC to it's
corresponding checksum. That is, if I've got the data I want
On 31/03/2010 10:27, Erik Trimble wrote:
Orvar's post over in opensol-discuss has me thinking:
After reading the paper and looking at design docs, I'm wondering if
there is some facility to allow for comparing data in the ARC to it's
corresponding checksum. That is, if I've got the data I want
The ECC enabled RAM should be very cheap quickly if the industry embraces it
in every computer. :-)
best regards,
hanzhu
On Wed, Mar 31, 2010 at 5:46 PM, Erik Trimble wrote:
> casper@sun.com wrote:
>
>>
>>
>>> I'm not saying that ZFS should consider doing this - doing a validation
>>> for i
casper@sun.com wrote:
I'm not saying that ZFS should consider doing this - doing a validation
for in-memory data is non-trivially expensive in performance terms, and
there's only so much you can do and still expect your machine to
survive. I mean, I've used the old NonStop stuff, and ye
>I'm not saying that ZFS should consider doing this - doing a validation
>for in-memory data is non-trivially expensive in performance terms, and
>there's only so much you can do and still expect your machine to
>survive. I mean, I've used the old NonStop stuff, and yes, you can
>shoot them
Orvar's post over in opensol-discuss has me thinking:
After reading the paper and looking at design docs, I'm wondering if
there is some facility to allow for comparing data in the ARC to it's
corresponding checksum. That is, if I've got the data I want in the
ARC, how can I be sure it's corr
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