Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 12/02/16 12:34, Adam Goryachev wrote: > Hi, > > Can anyone advise the steps needed to "prepare" my LV which is > currently on-disk format v08 so that I can upgrade it to v09 with > additional sync nodes? > > ie, > lvextend -L+xx /dev/vg0/drbdspace > How to calculate xx ? Wow, after lots of searching, I ask the question, and two minutes later, I found half the answer (sorry for that) So, I now see: http://drbd.linbit.com/users-guide-9.0/ch-internals.html#s-metadata Which shows a formula for calculating the metadata as: C / 2^18 X 8 X N + 72 Where C is the device size in sectors and N is the number of peers. However, I would guess some of that space is already reserved, for the two peers I already have? Also, the rest of the questions still apply, on how will DRBD find the old signature at a different offset to normal, etc... > drbdadm -v --max-peers=<N> create-md <resources> > If the size of the device has changed, will drbdadm still "find" the > old v08 signature that it needs to update? I think the DRBD signature > is at the end of the device, but now the end of the device has changed.... > > Also, I wasn't able to find much (any) information on how to migrate > to drbdmanage. It almost seems like it would be a completely manual > process, managing the old style config files manually, creating the > new drbdmanage based device, then migrate the data from the old to the > new, etc... Ideally, there would be some automated solution to import > configs and devices/etc, and have drbdmanage do the > "conversion/migration" itself. > > Finally, just how "stable/reliable" is v9? How do you use it, what > issues have you seen? Is it faster/slower or more stable/less stable > etc than v8.4? > > Regards, > Adam > -- > Adam Goryachev Website Managers www.websitemanagers.com.au -- Adam Goryachev Website Managers www.websitemanagers.com.au -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20160212/ca4d1a8b/attachment.htm>