Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Philipp Reisner wrote:
>>OK, here is some reasonably certain information:
>
> [...]
>
> What kernel version, DRBD version and which SATA driver
> where you using in this test ?
>
> Currently in my test cluster I have SCSI disks only...
Judging from people's posts and my own experience, I *think* that the
problem does not show on SCSI, only on on-board SATA.
> You ran it on top of MD ?
>
> BTW are the machines SMP or UP ?
Kernel 2.6.11.12 + bio_clone() fix, SMP
Marvell MV88SX6081 8-port SATA II PCI-X Controller (rev 03),
mvsata340 driver
drbd 0.7.13 (SVN Revision: 1942)
md3 : active raid5 sdf3[5] sde3[4] sdd3[3] sdc3[2] sdb3[1] sda3[0]
$ cat /etc/drbd.conf
resource r0 {
protocol C;
startup {
wfc-timeout 0;
degr-wfc-timeout 10;
}
disk {
on-io-error detach;
}
net {
# timeout 60;
# connect-int 10;
# ping-int 10;
# max-buffers 2048;
# max-epoch-size 2048;
on-disconnect reconnect;
}
syncer {
rate 200M;
al-extents 513;
}
on snfs1 {
device /dev/drbd0;
disk /dev/md3;
address 10.0.0.2:7788;
meta-disk internal;
}
on snfs2 {
device /dev/drbd0;
disk /dev/md3;
address 10.0.0.3:7788;
meta-disk internal;
}
}
$ cat /proc/partitions
major minor #blocks name
[...]
9 3 1929044480 md3
147 0 1928913408 drbd0
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