>> =] hehehe there is no standard for linux, just the linux standard that >> was implemented :P it´s a joke =P hhehe >> you can?t get a smart array(hp) disk and put on a perc(dell) or linux >> mdadm and wait it will work without tweaking... they are not standard based?! (they are standard based! before anyone tell...) i was talking about wikipedia writers thinking that linux don´t have a standard, check last email to understand the context: >Before this goes any further, why not just reference the excellent >Wikipedia article (actually, excellent applies to both Wikipedia *and* >the article): >http://en.wikipedia.org/wiki/Non-standard_RAID_levels#Linux_MD_RAID_10 > >The only problem I have with the wikipedia article is the assertion >that Linux MD RAID 10 is non-standard. It's as standard as anything >else is in this world. > > >-- >Jon 2011/1/31 Keld Jørn Simonsen <keld@xxxxxxxxxx>: > On Mon, Jan 31, 2011 at 07:47:05PM -0200, Roberto Spadim wrote: >> =] hehehe there is no standard for linux, just the linux standard that >> was implemented :P > > There is a Linux standard, LSB Linux Standard Base ISO/IEC 23360. > And then there is the POSIX standard that the Linux kernel and > many utilities in GNU/linux follow. POSIX is ISO/IEC 9945. > >> linux raid10 work and is the same idea of the 'raid10' academic standard > > raid1+0 and Linux MD raid10 are similar, but significantly different > in a number of ways. Linux MD raid10 can run on only 2 drives. > Linux raid10,f2 has almost RAID0 striping performance in sequential read. > You can have an odd number of drives in raid10. > And you can have as many copies as you like in raid10, > >> i don?t know any raid standard, just hardware based standard > > There is an organisation that standardizes RAID levels. > Unfortunately I cannot find a link right now. > The raid10 offset layout is an implementation of one of their specs. > >> you can?t get a smart array(hp) disk and put on a perc(dell) or linux >> mdadm and wait it will work without tweaking... > > Yes. And? > > best regards > keld > >> 2011/1/31 Jon Nelson <jnelson-linux-raid@xxxxxxxxxxx>: >> > Before this goes any further, why not just reference the excellent >> > Wikipedia article (actually, excellent applies to both Wikipedia *and* >> > the article): >> > >> > http://en.wikipedia.org/wiki/Non-standard_RAID_levels#Linux_MD_RAID_10 >> > >> > The only problem I have with the wikipedia article is the assertion >> > that Linux MD RAID 10 is non-standard. It's as standard as anything >> > else is in this world. >> > >> > >> > -- >> > Jon >> > -- >> > 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 > -- 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