We have a virtual machine running Ubuntu(14.04) with an Alfresco 4.2 installation as our document server. Every few days I backup it’s contents to our NAS by ftp, usually this took about 1 and a half upto 2 hours for backing up some 300Gb. But recently this changed to more than 7 hours and I’m suspecting this to be due to some upgrades. Although I can’t exactly pinpoint which one, since we got 2 major upgrades to the VM system but strangely enough it actually seemd to start after a smaller upgrade in between.
Last time we had a “fast backup” was on 6 Dec from 6:50 till 8:20, next backup on 11 Dec took from 6:30 till 14:00. Every backup afterwards took more than 7 hours.
These are the updates from about that time.
Dec 06 06:24:52 Updated: 10:qemu-img-1.5.3-141.el7_4.4.x86_64
Dec 06 06:24:55 Updated: libvirt-libs-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:55 Updated: libvirt-daemon-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:55 Updated: libvirt-daemon-driver-storage-core-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:55 Updated: libvirt-daemon-driver-network-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:55 Updated: libvirt-daemon-driver-nwfilter-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:56 Updated: libvirt-daemon-config-nwfilter-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:56 Updated: libvirt-daemon-driver-lxc-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:56 Updated: libvirt-daemon-driver-qemu-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:56 Updated: libvirt-daemon-config-network-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:57 Updated: libvirt-daemon-driver-storage-gluster-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:57 Updated: libvirt-daemon-driver-storage-rbd-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:57 Updated: libvirt-daemon-driver-storage-mpath-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:57 Updated: libvirt-daemon-driver-storage-scsi-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:57 Updated: libvirt-daemon-driver-storage-logical-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:58 Updated: libvirt-daemon-driver-storage-disk-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:58 Updated: libvirt-daemon-driver-storage-iscsi-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:58 Updated: libvirt-daemon-driver-storage-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:58 Updated: libvirt-daemon-driver-secret-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:58 Updated: libvirt-daemon-driver-interface-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:58 Updated: libvirt-daemon-driver-nodedev-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:59 Updated: libvirt-client-3.2.0-14.el7_4.4.x86_64
Dec 06 06:24:59 Updated: 10:qemu-kvm-common-1.5.3-141.el7_4.4.x86_64
Dec 06 06:25:00 Updated: 10:qemu-kvm-1.5.3-141.el7_4.4.x86_64
Dec 06 06:25:00 Updated: libvirt-3.2.0-14.el7_4.4.x86_64
Dec 06 06:25:00 Updated: nethserver-hosts-1.2.2-1.ns7.noarch
Dec 06 06:25:07 Installed: kernel-3.10.0-693.11.1.el7.x86_64
Dec 06 06:45:21 Updated: glibc-common-2.17-196.el7_4.2.x86_64
Dec 06 06:45:22 Updated: glibc-2.17-196.el7_4.2.x86_64
Dec 06 06:45:22 Updated: libuuid-2.23.2-43.el7_4.2.x86_64
Dec 06 06:45:22 Updated: libblkid-2.23.2-43.el7_4.2.x86_64
Dec 06 06:45:22 Updated: 32:bind-license-9.9.4-51.el7_4.1.noarch
Dec 06 06:45:23 Updated: 32:bind-libs-9.9.4-51.el7_4.1.x86_64
Dec 06 06:45:23 Updated: libmount-2.23.2-43.el7_4.2.x86_64
Dec 06 06:45:23 Updated: glibc-headers-2.17-196.el7_4.2.x86_64
Dec 06 06:45:25 Updated: kernel-tools-libs-3.10.0-693.11.1.el7.x86_64
Dec 06 06:45:25 Updated: selinux-policy-3.13.1-166.el7_4.7.noarch
Dec 06 06:45:36 Updated: selinux-policy-targeted-3.13.1-166.el7_4.7.noarch
Dec 06 06:45:38 Updated: kernel-tools-3.10.0-693.11.1.el7.x86_64
Dec 06 06:45:39 Updated: glibc-devel-2.17-196.el7_4.2.x86_64
Dec 06 06:45:39 Updated: util-linux-2.23.2-43.el7_4.2.x86_64
Dec 06 06:45:39 Updated: 32:bind-utils-9.9.4-51.el7_4.1.x86_64
Dec 06 06:45:39 Updated: 32:bind-libs-lite-9.9.4-51.el7_4.1.x86_64
Dec 06 06:45:40 Updated: cryptsetup-libs-1.7.4-3.el7_4.1.x86_64
Dec 06 06:45:40 Updated: libpciaccess-0.13.4-3.1.el7_4.x86_64
Dec 06 06:45:40 Updated: kmod-libs-20-15.el7_4.6.x86_64
Dec 06 06:45:40 Updated: libstdc++-4.8.5-16.el7_4.1.x86_64
Dec 06 06:45:40 Updated: systemtap-sdt-devel-3.1-4.el7_4.x86_64
Dec 06 06:45:40 Updated: copy-jdk-configs-2.2-5.el7_4.noarch
Dec 06 06:49:16 Updated: libgcc-4.8.5-16.el7_4.1.x86_64
Dec 06 06:49:16 Updated: kmod-20-15.el7_4.6.x86_64
Dec 06 06:49:17 Updated: kernel-headers-3.10.0-693.11.1.el7.x86_64
Dec 06 06:54:47 Updated: libsss_idmap-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:47 Updated: sssd-client-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:47 Updated: libsss_sudo-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:47 Updated: python-sssdconfig-1.15.2-50.el7_4.8.noarch
Dec 06 06:54:47 Updated: libipa_hbac-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:47 Updated: libsss_autofs-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-common-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-krb5-common-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-common-pac-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-ipa-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-ad-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-ldap-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-krb5-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-proxy-1.15.2-50.el7_4.8.x86_64
Dec 06 06:54:48 Updated: sssd-1.15.2-50.el7_4.8.x86_64
Dec 06 06:59:48 Updated: python-perf-3.10.0-693.11.1.el7.x86_64
Dec 06 06:59:48 Updated: libobjc-4.8.5-16.el7_4.1.x86_64
Dec 06 10:41:48 Updated: libsss_nss_idmap-1.15.2-50.el7_4.8.x86_64
Dec 06 10:41:48 Updated: sssd-libwbclient-1.15.2-50.el7_4.8.x86_64
Dec 06 10:41:48 Updated: nethserver-sogo-1.6.15-1.ns7.sdl.noarch
Dec 06 10:41:48 Updated: nethserver-dnsmasq-1.6.6-1.ns7.noarch
Dec 06 10:41:48 Updated: libgomp-4.8.5-16.el7_4.1.x86_64
Dec 06 10:41:48 Updated: libsss_certmap-1.15.2-50.el7_4.8.x86_64
Dec 06 10:41:49 Updated: nethserver-dc-1.3.3-1.ns7.x86_64
Dec 06 10:43:14 Updated: nethserver-sogo-1.6.16-1.ns7.sdl.noarch
Dec 12 07:24:15 Updated: libvirt-libs-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:16 Updated: libvirt-daemon-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:16 Updated: libvirt-daemon-driver-storage-core-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:16 Updated: libvirt-daemon-driver-network-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:16 Updated: libvirt-daemon-driver-nwfilter-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:16 Updated: postgresql-libs-9.2.23-3.el7_4.x86_64
Dec 12 07:24:18 Updated: postgresql-9.2.23-3.el7_4.x86_64
Dec 12 07:24:18 Updated: libvirt-daemon-config-nwfilter-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:18 Updated: libvirt-daemon-config-network-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:18 Updated: libvirt-daemon-driver-qemu-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:18 Updated: libvirt-daemon-driver-lxc-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-disk-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-iscsi-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-rbd-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-mpath-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-gluster-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-scsi-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-logical-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-storage-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-interface-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-nodedev-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:19 Updated: libvirt-daemon-driver-secret-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:20 Updated: libvirt-client-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:20 Updated: nethserver-firewall-base-3.2.10-1.ns7.noarch
Dec 12 07:24:20 Updated: nethserver-firewall-base-ui-3.2.10-1.ns7.noarch
Dec 12 07:24:20 Updated: libvirt-3.2.0-14.el7_4.5.x86_64
Dec 12 07:24:21 Updated: postgresql-server-9.2.23-3.el7_4.x86_64
Dec 12 07:24:21 Updated: nethserver-lang-en-1.2.4-1.ns7.noarch
Dec 12 07:24:21 Updated: nethserver-lang-nl-1.2.4-1.ns7.noarch
Dec 12 07:24:21 Updated: nethserver-sogo-1.6.18-1.ns7.sdl.noarch
Dec 12 07:24:22 Updated: php-pear-Mail-Mime-1.10.2-1.el7.noarch
It looks like the first upgrade of the VM drivers happened before the last “fast backup” and the second one after the first “slow backup”. After each update I did reboot the server.