CentOS 6.5<br />
Kernel 2.6.32-431.11.2.el6.x86_64<br />
<br />
Copy speed is slowed down from 1Gbit/sec to 5 Mbit/sec<br />
<br />
]# rsync --progress --partial --append /backup/omsk/w2008r2-ref.img sigmaserv7:/var/lib/libvirt/images/<br />
w2008r2-ref.img<br />
24785616896 78% 6.28MB/s 0:17:17<br />
<br />
After few minutes server becomes unavailable over network<br />
<br />
top - 10:00:44 up 20:48, 2 users, load average: 2.73, 0.86, 0.29<br />
Tasks: 530 total, 4 running, 526 sleeping, 0 stopped, 0 zombie<br />
Cpu(s): 0.2%us, 11.3%sy, 0.0%ni, 88.4%id, 0.0%wa, 0.0%hi, 0.1%si, 0.0%st<br />
Mem: 132124724k total, 93508688k used, 38616036k free, 182408k buffers<br />
Swap: 134217720k total, 0k used, 134217720k free, 69618884k cached<br />
<br />
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND<br />
2016 root 10 -10 42096 9300 7172 R 100.0 0.0 14:01.32 ovs-vswitchd<br />
2004 root 10 -10 40740 2404 1392 R 100.0 0.0 1:18.64 ovsdb-server<br />
5049 root 20 0 102m 8344 3048 R 92.6 0.0 3:23.49 sshd<br />
5052 root 20 0 105m 824 328 D 60.7 0.0 2:50.46 rsync<br />
7958 qemu 20 0 10.3g 7.9g 5124 S 7.6 6.3 116:58.42 qemu-kvm<br />
7908 qemu 20 0 10.6g 7.9g 5124 S 7.3 6.3 120:44.40 qemu-kvm<br />
7492 qemu 20 0 6430m 4.0g 5040 S 6.0 3.2 94:14.74 qemu-kvm<br />
3522 root 20 0 98.1m 4220 3080 S 1.7 0.0 0:12.59 sshd<br />
452 root 39 19 0 0 0 S 1.0 0.0 13:21.43 kipmi0
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