[DRBD-user] HW RAID5 changed size -> drbr DiskLess

Petr Cervenka petr.cervenka at interzonegames.com
Wed Sep 26 11:56:42 CEST 2007

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

Lars Ellenberg wrote:
> well.
> I guess you used internal meta data.
> if the RAID got it right, then all the old data is still there,
> lying at "the end" of the previous device, so somewhere at 220G.
> drbd only looks for its meta data at the end of the device,
> so at offset ~400G currently.
> there is nothing but nonsense there.
> you have to create new drbd meta-data then,
> as if you'd set it up for the first time.
Aha, well this is just test before we go live, so no damage there, so is
it better to store metadata in another disk , can this be just file? How
big does it have to be? As we expect to expend the disk more often. How
come with LVM this works? Does LVM extend differently ?
Thanks a lot!
Petr Cervenka

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