#2318: ext3 reliability requirements are not met
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Reporter: alexan...@… | Owner: lfs-b...@…
Type: task | Status: new
Priority: normal | Milestone:
Component: Book | Version: SVN
Severity: normal | Keywords:
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Pavel Machek published a patch that documents conditions under which the
ext3 filesystem is reliable against power failures. These conditions
aren't met by LFS systems.
Namely, the failed requirement is: "either write caching is disabled, or
hw can do barriers and they are enabled". To disable write caching, one
should do "hdparm -W0" on the device before remounting the filesystem
read-write. To enable barriers (if the hardware supports them), use
"barrier=1" mount option.
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Ticket URL: <http://wiki.linuxfromscratch.org/lfs/ticket/2318>
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