Is my data checksummed?
reza at parvan.net
Tue Feb 23 09:56:54 UTC 2010
Thanks a lot for all the responses.
Ric Wheeler wrote:
> On 02/21/2010 09:41 PM, tytso at mit.edu wrote:
>> If you use disks that support the Data Integrity Field (DIF)
>> extension, Linux will use it to provide end-to-end data checksum
>> support. Otherwise, there are checksums on the disk and between disk
>> controller and the CPU, but those are obviously not end-to-end
> Just to be clear, even with a storage path that supports DIF/DIX, we
> don't currently do anything for applications on top of file systems. The
> primary application to target storage path is covered mainly for raw
The last sentence loses me. I mean, I know what raw devices are! :)
Would you please elaborate a little.
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