On Feb 5, 2010, at 3:11 AM, grarpamp wrote:
> Are the sha256/fletcher[x]/etc checksums sent to the receiver along
> with the other data/metadata?

No. Checksums are made on the records, and there could be a different
record size for the sending and receiving file systems. The stream itself
is checksummed with fletcher4.

> And checked upon receipt of course.

Of course.

> Do they chain all the way back to the uberblock or to some calculated
> transfer specific checksum value?

I suppose one could say a calculated transfer fletcher4 checksum value.

> The idea is to carry through the integrity checks wherever possible.
> Whether done as close as within the same zpool, or miles away.

yes.
 -- richard

_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to