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4.4e
2007 Oct 19
2
Using raid 1 for rollback purposes
Hi All,
For quite some time I've used raid 1 as a means of providing a
rollback mechanism for an upgrade (which I learned from others long
ago). So essentially, before an upgrade you split the mirrors and
upgrade one side or the other. If your upgrade goes well you sync one
way, if your upgrade does not you sync the other (much hand waving and
chanting going on, as its more complicated than