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 try to use drbd 8.0pre5 (fetched from SVN) on a ubuntu machine with
kernel 2.6.16.29. I want to use drbd on LVM2 Volumes. My Data Volume is
/dev/xeon2/vm01, I have a separate volume for metadata dev/xeon2/drbd,
big enough for multiple drbd devices. The drbd devices will host XEN
Domains.
I cant set it up because drbdadm always states that the device is
already mounted. I know that the kernel may claim the device or anything
else but I didn't find anything and I deactivated the volumes with evmsn
management tool but it stays the same. The two machines are connected vi
a private gigabit link for drbd.
Thats what I do:
root at xeon2:~/DOWNLOAD# modprobe drbd
root at xeon2:~/DOWNLOAD# drbdadm -v up all
drbdsetup /dev/drbd0 disk /dev/xeon2/vm01 /dev/xeon2/drbd 0
--set-defaults --create-device --on-io-error=detach
Failure: (114) Lower device is already mounted.
drbdsetup /dev/drbd0 syncer --set-defaults --create-device --rate=50M
drbdsetup /dev/drbd0 net 10.10.10.2:7789 10.10.10.3:7789 C
--set-defaults --create-device --cram-hmac-alg=sha1 --shared-secret=XXXXX
The relevent part from /etc/drbd.conf:
resource "xeon2_vm01" {
protocol C;
startup {
wfc-timeout 0; ## Infinite!
degr-wfc-timeout 120; ## 2 minutes.
}
disk {
on-io-error detach;
}
net {
cram-hmac-alg sha1;
shared-secret "XXXXXX";
# timeout 60;
# connect-int 10;
# ping-int 10;
# max-buffers 2048;
# max-epoch-size 2048;
}
syncer {
rate 50M;
}
on xeon2 {
device /dev/drbd0;
disk /dev/xeon2/vm01;
address 10.10.10.2:7789;
meta-disk /dev/xeon2/drbd [0];
}
on xeon3 {
device /dev/drbd1;
disk /dev/xeon3/vm02;
address 10.10.10.3:7789;
meta-disk /dev/xeon3/drbd [1];
}
}
root at xeon2:~/DOWNLOAD# cat /proc/drbd
version: 8.0pre5 (api:84/proto:83)
SVN Revision: 2482 build by root at ubuntu_devel, 2006-10-02 13:29:10
0: cs:WFConnection st:Secondary/Unknown ds:Diskless/DUnknown r---
ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
I saw you added tracing options. I compiled everyhing myself. What can I
do to help debugging this ?
--
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Ralf Schenk
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rs at databay.de
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