Umm, no, not all drives do this, it is relatively easy to get hold of drives that aren't EARS ... you are just better off going for non-consumer drives.
Will post links if you need them. Jon On 15 February 2012 08:24, Roy Sigurd Karlsbakk <r...@karlsbakk.net> wrote: >> > Seems most drives are moving to 512-bytes-on-4k-sectors these days, >> > as >> > with the new 7K4000 drives from Hitachi. I saw a patch for zpool >> > some time >> > back, fixing ashift, but that's all. Is there an official fix >> > somewhere? >> > What do people with 4k drives do? >> > >> >> If the drive reports its block size as 4K ZFS will do the right thing >> already. Only drives that lie about the actual block size and report >> 512 >> bytes are problematic. >> For such drives the technique I found useful is to create a pool on >> some >> other devices that are true 4K and then replace the devices one by one >> with >> the problematic drives. >> COMSTAR comes really handy for such a trick. Also Linux ZFS let you >> specify >> ashift manually during pool creation. > > Basically, *all* drives lie about this these days, so we'd better fix it in > software instead of hoping drives and politicians stop lying. > > So I guess what must be done, then, is to port the fix from Linux ZFS to > Illumos/OpenIndiana? Installing this system with linux zfs and then move to > openindiana isn't very amusing... > > Any idea how much code this is? Or is it the old patch that was rejected a > year ago or so? > > Vennlige hilsener / Best regards > > roy > -- > Roy Sigurd Karlsbakk > (+47) 97542685 > r...@karlsbakk.net > http://blogg.karlsbakk.net/ > -- > I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det > er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av > idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og > relevante synonymer på norsk. > > _______________________________________________ > OpenIndiana-discuss mailing list > OpenIndiana-discuss@openindiana.org > http://openindiana.org/mailman/listinfo/openindiana-discuss _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
