[DRBD-user] Pvcreate fails on drbd devices

David Simas dgs at slac.stanford.edu
Wed Sep 23 20:50:24 CEST 2009

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


Hello,

I'm using DRBD 8.3.2 on RHEL 5.2 (x86_64).  I've sucessfully create
two DRBD devices, /dev/drbd1 and /dev/drbd2 (drbd.conf below).  I'm
trying to use them as physical volumes for LVM, as described in the
"Configuring a DRBD resource as a Physical Volume" section of the
user guide.  But pvcreate fails:

	pssrv101:103% sudo pvcreate -ff /dev/drbd1
	  Device /dev/drbd1 not found (or ignored by filtering).

	pssrv101:104% sudo pvcreate -ff /dev/drbd2
	  Device /dev/drbd2 not found (or ignored by filtering).

	pssrv101:106% sudo pvcreate -ff /dev/drbd/by-res/r1
	  Device /dev/drbd/by-res/r1 not found (or ignored by filtering).

	pssrv101:107% sudo pvcreate -ff /dev/drbd/by-res/r2
	  Device /dev/drbd/by-res/r2 not found (or ignored by filtering).

The DRBD volumes are certainly present:

	pssrv101:112% ls /dev/drbd*
	/dev/drbd1  /dev/drbd2

	/dev/drbd:
	by-disk/  by-res/


	pssrv101:115% cat /proc/drbd
	`GIT-hash: dd7985327f146f33b86d4bff5ca8c94234ce840e build by phil at fat-tyre, 2009-07-03 15:35:39
	
	 1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----
	    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:975555468
	 2: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----
	    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:1951110976
	

I'd be grateful for any assistance

David Simas
SLAC

------------------------------------------------------------------------

global {
        usage-count     no;
}

common {
        protocol        C;
}

resource r1 {
        device          /dev/drbd1;
        disk            /dev/sdc;
        meta-disk       internal;
        on pssrv101 {
                address         192.168.254.101:7791;
        }
        on pssrv102 {
                address         192.168.254.102:7791;
        }
}

resource r2 {
        device          /dev/drbd2;
        disk            /dev/sdd;
        meta-disk       internal;
        on pssrv101 {
                address         192.168.254.101:7792;
        }
        on pssrv102 {
                address         192.168.254.102:7792;
        }
}



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