ops... ndb mysql cluster it´s like to get more speed on small (cache time/size) writes may be dirty, but if only X disks are in sync array could continue running with async writes without problems 2011/3/3 Roberto Spadim <roberto@xxxxxxxxxxxxx>: > if others fail, fail the disks =), it´s something like nbd (mysql) cluster > two disks ok, return ok others works like async write > on error, resync nodes/mirrors > i don´t know the name but they call somethink like isosyncronous or > semisyncronous, i don´t remember now > > 2011/3/3 Mathias Burén <mathias.buren@xxxxxxxxx>: >> And if md sends ok when first write is complete, then other writes fail? >> >> On 3 Mar 2011 22:45, "Roberto Spadim" <roberto@xxxxxxxxxxxxx> wrote: >>> hi guys, i have some questions... >>> how write works in raid1? >>> md send write to all mirrors and wait write end to return 'ok' to >>> filesystem? >>> could we send write to mirrors and return with one 'ok'? like a async >>> write? >>> >>> -- >>> 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 > -- 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
