[DRBD-user] Why is metadata size fixed at 128M ?

paddy paddy at panici.net
Thu Jun 2 18:05:49 CEST 2005

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


I'm just looking at drbd0.7 on sarge, which I must say was an easy 
install.  Two thoughts there:  

1) I think I had to apt-get install dpatch 'by hand' to get it to build

2) I ran into an amusing consequence when I missed the fact that the
initial sync hadn't happened (due to a 'stray' firewall :) and then 
tried to move the primary node, resulting in a halt :)  Not that this
would have happenned if I'd read the docs properly, but I didn't even
notice the commandline run-through further down the page, until I ran
into problems :)

The question thats bothering me is in the subject line:

	Why is the metadata size fixed 128MB ?

I'd really like to get an idea of the layout and function of the

I've started to read the source, but I'm making slow progress.

On a broader note, drbd looks like the right solution for me
(roughly: two node failover for availability), but I'm interested 
to hear any comparisons people would care to offer with the other
linux-based *nbd and clustered lvm solutions.

Perl 6 will give you the big knob. -- Larry Wall

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