Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hii, Still i am using 8.4 on primary as well as secondary. Data sync safely fron primry and secondary.. Problem occured on when we turn off both server at same moment, next time server get diskless. On 16 March 2015 at 13:36, yves <user at kochira.com> wrote: > Hello, > > thank you for the replies. To summarize the question even more: > > - Two servers are DRDB 8.0.16 and sync data, on CentOS 5. > > - Only the secondary will be upgraded 8.4 on CentOS 6. > > Can the secondary 8.4 still sync (and get its data updated) *safely* from > the 8.0.16 one, using the same protocol C? > > (note: 8.0.16 will always be primary until it crashes or/and is later > upgraded as well to 8.4) > > > Thank you. > > Regards > > Yves > > > On Fri, Mar 13, 2015 at 5:37 PM, Prater, James K. <jprater at draper.com> > wrote: > >> Hello Yves, >> >> I would really check with or at least wait for Lars from Linbit to >> respond. At first glance, I would update "B" so you can do some initial >> testing. Since you may have some issues re compiling components. Then allow >> the normal transactions to occur from "A" by connecting it to the primary. >> The update DRDB on "A". You should not require the data to be invalidated. >> We are still talking about release "8.x". It should be backwards compatible. >> >> James >> >> *From*: yves [mailto:user at kochira.com] >> *Sent*: Thursday, March 12, 2015 10:45 AM >> *To*: drbd-user at lists.linbit.com <drbd-user at lists.linbit.com> >> *Subject*: [DRBD-user] Sync two different versions of DRBD >> >> Hello, >> >> two servers A (primary) and B (secondary), are each using DRBD 8.0.16 >> via protocol C. >> >> Since only one can be migrated to 8.4 at a time, is it possible to >> >> - keep unchanged A (8.0.16) >> - install 8.4 on B (similar config with protocol C) >> - invalidate B data (created from 8.0.16) >> - sync A -> B >> >> and keep this for a few days. >> >> Does it safely work? >> >> Thank you and regards, >> >> Yves >> ------------------------------ >> Notice: This email and any attachments may contain proprietary (Draper >> non-public) and/or export-controlled information of Draper Laboratory. If >> you are not the intended recipient of this email, please immediately notify >> the sender by replying to this email and immediately destroy all copies of >> this email. >> ------------------------------ >> > > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > > -- *RegardsVinay Garg* *Keen & Able Comp. pvt. ltd.* *9990770734* -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20150316/79f8f9ea/attachment.htm>