On the Amanda backup mailing list, one poster said he was having a problem
using zfs snapshots as the source file-system for backups.
Gnutar is the actual archiving program in this case.
They said that files which were open on the active file system were still
listed as open in the snapshot. This generates complaints from gnutar.
This surprised me. I thought the zfs snapshot would be a static image
and I would not expect the snapshot to contain any information about
open files. The snapshot should reflect the state of the data blocks,
either before the file opening, or including any written changes.
What am I missing?
Jon
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