On Mon, Apr 30, 2012 at 04:08:00PM +0900, MORITA Kazutaka wrote: > We planned to support a different redundancy level for each VDI. > For example: > > $ collie vdi create test 1G --copies 1 # no redundancy (for temporary VDIs) > $ collie vdi create test 1G --copies 5 # 5 copies (for important VDIs) > $ collie vdi create test 1G # use a default redundancy level, > # which is specified when formatting cluster > > inode->nr_copies was the number of copies of the VDI, and > sys->nr_copies was the default redundancy level. > > However, it required a big change in recovery code, so I left it > untouched at the time. For now, I think we should use sys->nr_copies > for every places, and make nr_copies in sheepdog_inode and sd_*_req > reserved fields. Makes sense. I'll submit a patch to do that. |