David Boyes wrote:
Other applications, such as FTP server, NSF server, Samba server,
print
servers, I wouldn't think would care. You would lose what was put on
them during the backup process (hence making the backups as short as
possible is a good thing).
See above. I'd rather engineer a solution that doesn't depend on
exceptions.
I would like to second David's point here. The whole story does not
depend on what running is, and neither does it depend on the
application. As long as you have a file system mounted read+write, you
get inconsistent data when taking a snapshot from *outside* Linux.
I know this is dÃferent with operating systems that have a more
primitive IO stack like z/OS, which don't do caching and write behind.
For Linux, do always use dm-snapshot or a backup client _inside_ the
machine or mount read-only.
cheers,
Carsten
--
Carsten Otte has stopped smoking: Ich habe in 5 Monate, 1 Tag und 18
Stunden schon 742,93 Euro gespart anstatt 3.095,57 Zigaretten zu kaufen.
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