myLC@xxxxxxx schrieb:
> Is there a way to disable journaling on the fly (some option
> in /sys)?
i'm not aware of such a switch, but two things come into my mind:
1) there is a mount option "commit":
"commit=nrsec
Sync all data and metadata every nrsec seconds. The default
value is 5 seconds. Zero means default.
2) the laptop-mode module [1]
both should reduce disk-activity by 1) enlarging the commit-interval
and 2) by grouping write activities.
you can turn off the journal with tune2fs(8).
hth,
Christian.
[1] http://www.xs4all.nl/~bsamwel/laptop_mode/
--
BOFH excuse #78:
Yes, yes, its called a design limitation
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