zfs (zxfer) replication -- "holes" in backups?
mmatalka at gmail.com
Tue Dec 20 12:36:57 UTC 2016
Aleksandr Miroslav <alexmiroslav at gmail.com> writes:
> On Fri, Dec 16, 2016 at 5:08 PM, Aleksandr Miroslav <alexmiroslav at gmail.com>
>> I'm using a pkg called zfstools to take my snapshots. It takes snapshots
>> called frequent, hourly, daily, weekly, and monthly.
> The problem may have been even more sillier. The snapshots taken by the
> package zfstools depends on this property:
> $ zfs get all zroot/usr/home|grep auto-snapshot
> zroot/usr/home com.sun:auto-snapshot true local
> It turns out that when I sent my snapshots to my backup machine, I never
> turned off this property, the backup machine also had zfstools installed,
> and so was taking snapshots of my backupsnaphots. Hence the holes. I've
> since cleaned this up, and will let backups run for a few days and see if
> this fixes the problem.
I ran into this problem where the snapshots the machine that was backing
up to named the snapshots the same thing so zxfer thought the transfer
didn't need to happen. I "solved" this by putting the hostname in the
snapshot name. There is probably a better way though.
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