Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2006-09-13 15:27:08 +0300 \ Cyril Bouthors: > On 13 Sep 2006, Lars.Ellenberg at linbit.com wrote: > > > please don't bother moving the internal meta data somewhere else. if > > you want to control where the drbd meta data goes physically on > > disk, use external meta data and put that partition of LV where you > > want to have it. > > Sounds good, I'll do that. > > Any idea how much storing the meta-data at the beginning of my hard > disk (i.e. inner tracks) will increase write perfs? > > Any bench about that? should not be too much, because we (drbd) go through a lot of trouble to minimize access to that area anyways (tunable: al-extents). and because, if we do, we typically write one sector worth of data, so it is not normally the bandwidth, but the latency that is the problem. the "inner tracks" won't really decrease latency. -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com : __ please use the "List-Reply" function of your email client.