parallel zfs sends

Paul Macdonald paul at
Wed Jan 2 19:42:39 UTC 2019

On 02/01/2019 19:36, Paul Macdonald via freebsd-questions wrote:
> On 02/01/2019 17:35, Kevin P. Neal wrote:
>> On Wed, Jan 02, 2019 at 01:47:37PM +0000, Paul Macdonald via 
>> freebsd-questions wrote:
>>> Is there any obvious problem with running parallel zfs sends onto a
>>> target pool,
>> Oh, I don't know, but it sounds risky. Especially if you have overlap
>> in the datasets that are being updated. I really wouldn't try to update
>> the same datasets from multiple zfs send commands in parallel. If 
>> they're
>> not overlapping datasets then, um, hmmmm. I don't know.
> these aren't targetting the same zfs filesystems, i see the error when 
> running parallel jobs to seperate zfs file systems, on the same pool ( 
> which i'd have thought was fine)
also, as an aside,  i always find that when doing zfs syncs i have to do 
force the first incremental with -F as a matter of course, everything is 
fine after that.

/cannot receive incremental stream: destination pool/path has been modified/

is that just me?

Paul Macdonald
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