[Linux-cluster] How to Configuring DRBD on already Mounted Disk

Mshehzad Pankhawala pmshehzad at yahoo.com
Mon May 26 13:45:24 UTC 2008

 Hi Sir, 
We are intermediate for DRBD 
  DRBD setup carefully and it is ok.
I want to setup server (Main Server - serving mail service) serving the postfix mail service  which is using my /home directory and mounted on /dev/sda5.

I want this /dev/sda5 (/home) to be used in the DRBD, and evenif it is mounted on /home.

But when I start drbd service
#service drbd start
It start with diskless mode.
 Starting DRBD resources:    [ d0 Failure: (114) Lower device is already claimed. This usually means it is mounted.

cmd /sbin/drbdsetup /dev/drbd0 disk /dev/sda5 /dev/sda5 internal --set-defaults --create-device  failed - continuing!

s0 n0 ].

cmd /sbin/drbdsetup /dev/drbd0 disk /dev/sda5 internal --set-defaults 
--create-device --on-io-error=detach failed - continuing! 
  My kernel version  2.6.18 
 Is it possible to use my mounted disk (/dev/sda5) evenif it is mounted.
If Yes. Then please tell me how?

MohammedShehzad Pankhawala

      Check out the all-new face of Yahoo! India. Go to http://in..yahoo.com/
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