[DRBD-user] DRBD Metadata

Schattenfell post at michael-neubert.de
Mon Jul 11 14:54:33 CEST 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Hi Christian,

thanks for your answer. I already know about the pros and cons of putting
DRBD on top or bottom of LVM (online resize, backup, and so on).

My question only regards the Metadata of DRBD in the "meta-disk internal;"
scenario. See my documentation link.

Extract: "If you are planning to use internal meta data in conjunction with
an existing lower-level device that already has data which you wish to
preserve, you must account for the space required by DRBD's meta data.
Otherwise, upon DRBD resource creation, the newly created metadata would
overwrite data at the end of the lower-level device, potentially destroying
existing files in the process. To avoid that, you must do one of the
following things"

And I do not want to loose data ;). In my scenarios the Raid will not be
enlarged on later time.

Best wishes
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