[DRBD-user] use DRBD to mirror qmailqueue

Roy C. Bixler rcb at press.uchicago.edu
Tue Dec 21 16:05:58 CET 2004

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


On Tue, Dec 21, 2004 at 08:08:20AM +0100, Norman Maurer wrote:
> i installed DRBD to mirror my MailServer (QMAIL). Now i think about, to
> mirror the QMAILQUEUE too. So when the one MailServer crashes, i still
> have the emails that were in the QMAILQUEUE. 
> 
> QMAIL uses Inodes for setting up the QUEUE.
> 
> My question is :
> 
> Use DRBD the same Inodes on the primary and secondary host ? 
> Or is it impossible to use DRBD to mirror the QMAILQUEUE?  

Since DRBD is a block level device, it is ignorant of the filesystem
on top of it.  It's providing an exact mirror of that filesystem, so
the answer is "yes, the i-nodes should be the same on primary and
secondary."

-- 
Roy Bixler <rcb at press.uchicago.edu>
The University of Chicago Press
http://www.press.uchicago.edu



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