ZFS vs btfrs
Ken D'Ambrosio
ken at jots.org
Fri Feb 25 17:19:41 EST 2022
On 2022-02-24 12:42, Ian Kelling wrote:
>> So what I do:
>>
>> * Create a copy on the destination host.
>> * Snapshot it.
>> * Mount the snapshot as my rsync backup destination.
>> * And make a snapshot of _that_.
> I'm confused by those bullets, I understand the general idea though.
Sorry. It's been a Hell of a week. What I _should_ have written:
* Create a copy, via rsync, on the destination host. This is my
"origin"
* Create a CoW snapshot of the origin -- giving snapshots datestamps
* rsync to the new snapshot
* create a (datestamped) snapshot of the newly-rsync'd-to snapshot
* rsync to *that*
* Rinse and repeat daily
And, finally, delete -- or, rather, "btrfs sub del" -- whatever
snapshots are outside of my retention period.
-K
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