On Thu, Jul 2, 2009 at 12:42 PM, Goswin von Brederlow<goswin-v-b@xxxxxx> wrote: > Marek <mlf.conv@xxxxxxxxx> writes: <snip> >> 6. Is it safe to have 20+ partitions for a RAID5,6 system? Most RAID >> related sources state that there's a limitation on number of >> partitions one can have on SATA drives(AFAIK 16), but i digged out >> some information about a recent patch which would remove this >> limitation and which according to some other source had also been >> accepted into mainline kernel, though I'm not sure about it. >> http://thread.gmane.org/gmane.linux.kernel/701825 >> http://lwn.net/Articles/289927/ > > Should be 15 or unlimited. Look at the major/minor numbers of sda* and > sdb. After sda15 there is no space before sdb comes. So unless sda16 > gets a dynamic major/minor it can't be accessed. > > It certainly is safe. But it seems stupid as well. That patch went in 2.6.29 I'm pretty sure. Not that I have ever needed more than 15 partitions on one drive. And yes major/minor after the first 15 are now dynamic I believe. Greg -- Greg Freemyer Head of EDD Tape Extraction and Processing team Litigation Triage Solutions Specialist http://www.linkedin.com/in/gregfreemyer Preservation and Forensic processing of Exchange Repositories White Paper - <http://www.norcrossgroup.com/forms/whitepapers/tng_whitepaper_fpe.html> The Norcross Group The Intersection of Evidence & Technology http://www.norcrossgroup.com -- 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
