Re: zvol clone diffs

2016-09-22 Thread Dean E. Weimer
On 2016-09-22 9:38 am, Slawa Olhovchenkov wrote: On Thu, Sep 22, 2016 at 04:56:53PM +0500, Eugene M. Zheganin wrote: Hi. I should mention from the start that this is a question about an engineering task, not a question about FreeBSD issue. I have a set of zvol clones that I redistribute over

Re: zvol clone diffs

2016-09-22 Thread Slawa Olhovchenkov
On Thu, Sep 22, 2016 at 04:56:53PM +0500, Eugene M. Zheganin wrote: > Hi. > > I should mention from the start that this is a question about an > engineering task, not a question about FreeBSD issue. > > I have a set of zvol clones that I redistribute over iSCSI. Several > Windows VMs use these c

Re: zvol clone diffs

2016-09-22 Thread Matthew Seaman
On 22/09/2016 13:56, Eugene M. Zheganin wrote: > Is there any way to figure out what these writes are ? Because I cannot > propose any simple enough method. Given you're using volumes for datasets where ZFS knows nothing about the contained filesystem structure, about the only way to proceed is vi