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Re: md does a monthly resync?? (was Re: Questions about RAID 6)

On Tue, 2010-05-04 at 14:50 -0500, Ron Johnson wrote: 
> On 05/04/2010 11:08 AM, Hugo Vanwoerkom wrote:
> [snip]
> >
> > I forget your specifics, but you do RAID *and* backup regularly to an
> > external lvm2?
> >
> No, no RAID for me *at home*.  But at work I manage databases on all 
> sorts of (to use a quaint old phrase) super-minicomputers, and if 
> they ever needed to "resynchronize" monthly, we'd have tossed them 
> out immediately, since for the money we spend on them, they're 
> supposed to stay in sync *always*.

maybe resync was the wrong word to use, the consistency of the array is
checked, it shows up in /proc/mdadm as resync

hardware raid controllers do this as well, its like checking you backups
tapes make sure you can restore if needed.

> -- 
> Dissent is patriotic, remember?

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