V2P2 and DigiBESS: case studies of open IT infrastructures for Islandora devel and production
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1 V2P2 and DigiBESS: case studies of open IT infrastructures for Islandora devel and production Giancarlo Birello, Anna Perin IRCrES-CNR Italy Simona Abbà IPSP-CNR - Italy Winner of the Canada-Italy Innovation Award 2015 for a project with the University of Prince Edward Island
2
3 DigiBESS State of the art Project started in 2012 Economics and social sciences books and periodicals, most in Italian but also something in English Private Foundation has financed the project, almost 80% of the amount used for digitalization (laboratory and operators) More than pages, growing
4 V2P2 State of the art Project started in 2014 in collaboration with Institute for Sustainable Plant Protection CNR-IPSP glass plate negatives, film negatives, prints on high-definition photo paper, b/w and color slides, gray literature A minimum amount from Italian Ministry has financed the put on of the digitalization Laboratory Study of ontology in progress Pilot project with only some objects
5 Server architectures
6 Virtualization We need virtualization infrastructure! - Multiple servers: development, production, multiple front-ends - Flexible management: backup, restore, clone - Optimized resources: CPU, RAM, storage, $ - Energy saving
7 KVM Open-source solution Active community Stable and reliable Management tools Multi platform VM OS # tasksel [x] Virtual Machine host # kvm-ok INFO: /dev/kvm exists KVM acceleration can be used # virsh -c qemu:///system list Id Name State
8 VM over LVM VM storage as LVM Logical Volume Fully integrated into KVM Simple growing/shrinking Fast backup with snapshot Support for different type of underlining storage # pvdisplay -m --- Physical volume --- PV Name /dev/sda5 VG Name kvm2-vg PV Size GiB / not usable 2.00 MiB Physical Segments --- Physical extent 0 to 2778: Logical volume /dev/kvm2-vg/root Logical extents 0 to 2778 Physical extent 2779 to 3801: Logical volume /dev/kvm2-vg/swap_1 Logical extents 0 to 1022 Physical extent 3802 to 5849: Logical volume /dev/kvm2-vg/servergk Logical extents 0 to 2047 Physical extent 5850 to 19017: FREE
9 Network We need manage VLANs IPv4 and IPv6 protocols reserved VLAN for storage multiple interfaces So...
10 OpenVSwitch 1/2 Powerful tools to manage network for VMs Ubuntu package release well integrated with KVM nano -w /etc/network/interfaces auto eth0 iface eth0 inet manual up ifconfig $IFACE up down ifconfig $IFACE down apt-get install openvswitch-switch ovs-vsctl add-br br0 ovs-vsctl add-port br0 eth0 ovs-vsctl show virsh net-destroy default virsh net-undefine default nano -w ovs-network-v33.xml virsh net-define ovs-network-v33.xml virsh net-start ovs-network-v33 virsh net-autostart ovs-network-v33 (continue)
11 OpenVSwitch 2/2 ovs-network-v33.xml <network> <name>ovs-network-v33</name> <forward mode='bridge'/> <bridge name='br0'/> <virtualport type='openvswitch'/> <vlan> <tag id='33'/> </vlan> </network> For each VLAN ovs-vsctl show Bridge "br0" Port "eth0" Interface "eth0" Port "br0" Interface "br0" type: internal Port "vnet1" tag: 33 Interface "vnet1" Port "vnet0" tag: 1 Interface "vnet0" ovs_version: "2.0.2" Running VM with 2 network interfaces on different VLANs
12 Storage 1/3
13 Storage 2/3 How to set iscsi linux multipath for storage apt-get install open-iscsi nano -w /etc/iscsi/iscsid.conf node.startup = automatic /etc/init.d/open-iscsi restart nano -w /etc/initramfs-tools/modules scsi_dh_alua dm_multipath dm_round_robin scsi_dh_rdac sd_mod update-initramfs -v -u -k all reboot apt-get install multipath-tools iscsiadm -m discovery -t st -p iscsiadm -m node -T iqn com.dell:powervault.md3800i.600a ceb cc641 login (continue)
14 Storage 3/3 nano -w /etc/multipath.conf defaults { user_friendly_names yes path_grouping_policy group_by_prio path_checker rdac polling_interval 5 path_selector "round-robin 0" failback immediate no_path_retry 30 prio rdac failback immediate rr_min_io 100 } blacklist { devnode "^sd[a]$" } multipaths { multipath { wwid 3600a ceb a1547d11ec alias part0 } } devices { device { vendor "DELL" product "MD38xxi" hardware_handler "1 rdac" features "2 pg_init_retries 50" } } /etc/init.d/multipath-tools restart multipath -ll part0 (3600a ceb a1547d11ec) dm-3 DELL,MD38xxi size=558g features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw -+- policy='round-robin 0' prio=6 status=active `- 6:0:0:0 sdb 8:16 active ready running `-+- policy='round-robin 0' prio=1 status=enabled `- 7:0:0:0 sdc 8:32 active ghost running Add to fstab OR Add to LVM with pvcreate
15 KVM backup/restore VM KVM backup perl script by Daniel Berteaud apt-get install libxml-simple-perl libsys-virt-perl wget -O virt-backup.pl Backup with snapshot /root/virt-backup.pl --dump --vm=servergk --debug --exclude=sda backupdir=/vmbck Restore qemu-img info /var/lib/libvirt/backup/tubu1-clone/tubu1-clone_vda.img lvcreate -L B -n tubu1-restore kvm2 dd if=/var/lib/libvirt/backup/tubu1-clone/tubu1-clone_vda.img of=/dev/kvm2/tubu1-restore
16 KVM migration Linux based VM migration from esxi to KVM VM flat disk backup #ghettovcb.sh -f vmltemp -c vmspec Create LV on KVM #ls -l Aserver_1-flat.vmdk -rw root root Sep 3 13:49 /vmware/aserver/aserver_1-flat.vmdk #lvcreate -L B -n aserver iscsi2 Copy disk to LV #dd if=aserver_1-flat.vmdk pv -s 8G dd of=/dev/iscsi2/aserver Define VM based on LV disk For windows server see
17 Reverse Proxy
18 Aptana open-source powerful IDE SFTP to manage devel site well integrated with GIT
19
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