Hi folks !
I am wondering how to create a corruption on a device used by a DRBD
resource to test drbdadm verify ?
I am using DRBD 8.3.0
Here is my configuration
# cat etc/drbd.conf
global {
usage-count no;
}
common {
net {
after-sb-0pri discard-older-primary;
after-sb-1pri discard-secondary;
after-sb-2pri disconnect;
}
syncer {
rate 26M;
}
}
resource drbd_xterm {
protocol C;
syncer {
verify-alg crc32c;
}
disk {
on-io-error detach;
}
on mcla {
device /dev/drbd20;
disk /dev/cciss/c0d2p1;
address 192.168.1.10:7790;
meta-disk internal;
}
on mclb {
device /dev/drbd20;
disk /dev/cciss/c0d2p1;
address 192.168.1.11:7790;
meta-disk internal;
}
}
In Primary/Secondary configuration, is it possible and enough to run on
the Secondary node, a
# dd if=/dev/zero of=/dev/cciss/c0d2p1 bs=512 count=1
On then a:
# drbdadm verify drbd_xterm
Thank in advance for any information and advice
Rv
--
Hervé GAUTIER
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