Robert Watson wrote:
On Sat, 6 May 2006, Chris wrote:
are snapshots a default setting?
In case people want to avoid using snapshots, here are the uses I'm
currently aware of in the base system:
- Background file system check uses snapshots. This can be disabled by
using
background_fsck="NO" in /etc/rc.conf.
- dump uses snapshots if the -L paramater is specified, in order to take an
atomic backup of the system. It won't use snapshots unless explicitly
specified.
- mksnap_ffs uses snapshots, as it's the operator snapshot creation tool.
FWIW, I and a moderate number of other people use snapshots daily on
quite busy and over-burdened machines without problems.
Also, as an FYI, several quota-related snapshot fixes went into CVS in
the last 24-48 hours. Once they've settled for a few weeks, and
assuming they don't have complex dependencies, they will get merged to
RELENG_6. Presumably if there is sufficient demand, and they adequately
address the reports of deadlocks with quotas+snapshots, they could be
merged to RELENG_6_1 as an errata update.
Exactly my thinking also. In about 2-3 weeks time, we'll review this
and decide what to do.
Scott
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