Hi,
I have got problem with drbd). I've got problem with write speed on drbd
partitions.
On drbd partition write speed is 15-16 MB/s. On other partitions write i
3x larger - 48MB/s. Is there something what can i do/change what will
improve write.
# cat /proc/drbd
version: 8.3.9 (api:88/proto:86-95)
drbd8-utils 2:8.3.7-1~bpo50+1
drbd.conf
global {
usage-count no;
}
common {
syncer { rate 1G; }
}
resource r0 {
protocol C;
handlers {
pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt f";
pri-lost-after-sb "echo o > /proc/sysrq-trigger ; halt f";
local-io-error "echo o > /proc/sysrq-trigger ; halt f";
outdate-peer "/usr/lib/heartbeat/drbd-peer-outdater -t 5";
}
startup {
degr-wfc-timeout 120; # 2 minutes.
}
disk {
fencing resource-only;
on-io-error detach;
}
net {
after-sb-0pri disconnect;
after-sb-1pri disconnect;
after-sb-2pri disconnect;
rr-conflict disconnect;
sndbuf-size 0;
rcvbuf-size 0;
}
syncer {
rate 1G;
al-extents 257;
}
on vm-bb1 {
device /dev/drbd0;
disk /dev/sda6;
address 1.1.1.1:7777;
meta-disk internal;
}
on vm-bb2 {
device /dev/drbd0;
disk /dev/sda6;
address 1.1.1.2:7777;
meta-disk internal;
}
}
resource r1 {
protocol C;
handlers {
pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt f";
pri-lost-after-sb "echo o > /proc/sysrq-trigger ; halt f";
local-io-error "echo o > /proc/sysrq-trigger ; halt f";
outdate-peer "/usr/lib/heartbeat/drbd-peer-outdater -t 5";
}
startup {
degr-wfc-timeout 120; # 2 minutes.
}
disk {
fencing resource-only;
on-io-error detach;
}
net {
after-sb-0pri disconnect;
after-sb-1pri disconnect;
after-sb-2pri disconnect;
rr-conflict disconnect;
sndbuf-size 0;
rcvbuf-size 0;
}
syncer {
rate 1G;
al-extents 257;
}
on vm-bb1 {
device /dev/drbd1;
disk /dev/sda7;
address 1.1.1.1:7778;
meta-disk internal;
}
on vm-bb2 {
device /dev/drbd1;
disk /dev/sda7;
address 1.1.1.2:7778;
meta-disk internal;
}
}
resource r2 {
protocol C;
handlers {
pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt f";
pri-lost-after-sb "echo o > /proc/sysrq-trigger ; halt f";
local-io-error "echo o > /proc/sysrq-trigger ; halt f";
outdate-peer "/usr/lib/heartbeat/drbd-peer-outdater -t 5";
}
startup {
degr-wfc-timeout 120; # 2 minutes.
}
disk {
fencing resource-only;
on-io-error detach;
}
net {
after-sb-0pri disconnect;
after-sb-1pri disconnect;
after-sb-2pri disconnect;
rr-conflict disconnect;
sndbuf-size 0;
rcvbuf-size 0;
}
syncer {
rate 1G;
al-extents 257;
}
on vm-bb1 {
device /dev/drbd2;
disk /dev/sda8;
address 1.1.1.1:7779;
meta-disk internal;
}
on vm-bb2 {
device /dev/drbd2;
disk /dev/sda8;
address 1.1.1.2:7779;
meta-disk internal;
}
}
Albert
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