All I'll say is that some peoples VM guests have far greater I/O capability than other peoples physical machines...
----- Original Message ----- > From: "James K. Prater" <[email protected]> > To: "[email protected]" > <[email protected]>, "[email protected]" > <[email protected]> > Sent: Wednesday, February 18, 2015 11:49:11 AM > Subject: Re: [DRBD-user] DRBD on virtual machine > I continue to see people run DRDB clusters as VM guests. I personally > don't get this. The only reason to do this is as a proof of concept > and not for production. I run a DRDB cluster as a source of data > storage system for a virtualization environment. It is based on > physical machines for maximum performance. Depending on the I/O > requirements of the DRBD system and it's applications running > underneath it could make it very difficult for the virtualization > hosts to supply the necessary I/O capability to support the required > load. > James > From : Antonio Fernández Pérez > [mailto:[email protected]] > Sent : Tuesday, February 17, 2015 08:55 AM > To : [email protected] <[email protected]> > Subject : [DRBD-user] DRBD on virtual machine > Hi list: > I need your help ... I have to migrate two physical servers with > DRBD+Pacemaker+Corosync to virtual machines. On the new set of > virtual machines I will can manage more hardware resources but, do > you have any reason advise against using DRBD on virtual machines? > I hope your answers. > Thanks in advance. > Regards, > Antonio. > 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 > [email protected] > http://lists.linbit.com/mailman/listinfo/drbd-user
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