Thanks a lot for all the responses.
Ric Wheeler wrote:
On 02/21/2010 09:41 PM, tytso@xxxxxxx 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
checksums.
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
devices.
Sorry Ric,
The last sentence loses me. I mean, I know what raw devices are! :)
Would you please elaborate a little.
Reza.
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