please check my email =) let´s end this email? 2011/1/19 Cory Coager <ccoager@xxxxxxxxx>: > On Wed, Jan 19, 2011 at 03:15:40PM -0200, Roberto Spadim wrote: >> hummm.... >> thinking again..... >> >> what?s the today raid1 problem? >> it?s based on minimal disk size >> for example... >> /dev/sda 1gb >> /dev/sdb 1tb >> we can have a 1gb raid only >> >> what you want is: >> 1tb raid0 >> with a automatic /dev/sda to /dev/sdb write >> >> >> could we call this raid0-cache? >> i think we could implement it in raid.... >> >> check this fuse (filesystem) implementation: http://www.furquim.org/chironfs/ >> it?s based on filesystem (ok it?s a raid1, not a cache like, but?s >> limited to max filesystem size, not the minimal filesystem size... ok >> it?s not secure to use it since small filesystem don?t have all >> information, but?s nice) >> >> anyone want to make raid0-cache implementation? > > I have two comments on this. > > I don't think the cache device should be the same size as your > disk storage. It should be a small cache size similar to > hardware RAID. > > Also, we'd need a way to flush the data from the cache device > on bootup. > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Roberto Spadim Spadim Technology / SPAEmpresarial -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
