Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Thu, Jul 24, 2008 at 10:12:47AM +0100, Lee Christie wrote: > > > DRBD 8.0.x, 8.2.6: > > > 32bit kernel: > > > 4 TB hard limit per device > > > you can have several of them, but you probably run into some > > > other limit pretty fast. > > > 64bit kernel: > > > 4 TB "supported". > > > (unsupported theoretically) 16 TB hard limit per device, > > > > I just tried that myself out of curiosity. > > it works up to "only" 8 TB per device on 64bit kernel. > > anything bigger will oops sooner or later. > > > > again: maximum 8 TB per device -- or crash is imminent. > > > > therefore we will restrict drbd-8.2.7 (8.0.13) > > to refuse anything bigger than that. > > I might be naive here but surely with a 64bit kernel it should be > possible to go over 8TB and if you cannot then there must be a bug > somewhere ? no, not a bug. but a "shortcoming of the current implementation." as I said: > we plan to increase the limit on DRBD+ up to 128 TB (or even > "arbitrary") per device "soonish". > once that is done, the current DRBD+ code will be migrated, > which would make 16 TB per device supported in 64bit "plain" > DRBD 8.2.y, where y is several steps larger than 6. this remains true, however. -- : Lars Ellenberg http://www.linbit.com : : DRBD/HA support and consulting sales at linbit.com : : LINBIT Information Technologies GmbH Tel +43-1-8178292-0 : : Vivenotgasse 48, A-1120 Vienna/Europe Fax +43-1-8178292-82 : __ please don't Cc me, but send to list -- I'm subscribed