On Oct 5 2007 15:11, H. Peter Anvin wrote:Jan Engelhardt wrote:15 partitions (at least for sd_mod devices) are too few.Now when we have 20-bit minors, can't we simply recycle some of the higher bits for additional partitions, across the board? 63 partitions seem to have been sufficient; at least I haven't heard anyone complain about that for 15 years.
GPT allows up to 128 partitions, and the linux partition code currently allows for up to MAX_PART (256). Assuming 1048576/128, that would give 8192 disks. With dynamic minor allocation and reuse, all that goes away and the limit becomes a bit less than 1048576 _partitions_.