Acronis Software-Defined Infrastructure 2.5
Overview
This product is formerly known as Acronis Storage.
With this release, Acronis Software-Defined Infrastructure offers a
wide range of new features for compute virtualization and
software-defined networking, as well as enhancements and stability
improvements. It also addresses issues found in the previous releases.
What's new?
- Compute virtualization. Run virtual machines (technical
preview) on Acronis Software-Defined Infrastructure nodes in the
hyper-converged mode (storage and compute on same node) or the
traditional way (storage and compute on separate nodes).
- Virtual machine management: run, resize, migrate, and open console to virtual machines.
- Private software-defined networking for virtual machines (VXLAN).
- Storage policies for virtual machines. Easy-to-use data redundancy options for virtual machine volumes.
- Easy to configure high availability for compute service and virtual machines.
- Supported guest operation systems: CentOS 6, CentOS 7, RHEL 6,
RHEL 7, Debian 9, Ubuntu 16.04, Ubuntu 18.04, Windows 7, Windows 8.1,
Windows 10, Windows Server 2008 R2, Windows Server 2012, Windows Server
2012 R2, Windows Server 2016, Windows Server 2019.
- Full Windows guest support with automatic installation of paravirtualization drivers (virtio) during installation from ISO.
- iSCSI targets get better performance and high availability via multi-path.
The new iSCSI target subsystem and high availability engine reduce
downtime by 2-4 times during node failures, making them barely
noticeable for end-user applications. The subsystem uses Asymmetric
Logical Unit Access (ALUA) in the Active-Passive mode.
- Fibre Channel support. Export block storage over Fibre Channel. Check Installation guide for the list of supported cards.
- RoCE and Infiniband RDMA support. Up to 25% better I/O
latency and lower CPU utilization on InfiniBand, RoCE (RDMA over
Converged Ethernet) and iWARP (Internet Wide-area RDMA Protocol).
- New comprehensive monitoring:
- Built-in monitoring with pre-configured Prometheus and Grafana.
- Grafana dashboards for nodes, disks, network, latency, performance, storage services.
- New charts with tooltips in the admin panel, including I/O latency charts, new physical and logical space charts.
- Zoomable charts on dashboards: from 30 minutes to 1 week.
- Virtual machines performance monitoring: CPU, RAM, disks and networking
- Performance improvements for all-flash configurations. Get
more IOPS with multi-threaded I/O on all-flash clusters. New fast-path
approach in the core of Acronis Software-Defined Infrastructure reduces
latency and implements fast multi-threaded I/O handling in Linux kernel.
- New comprehensive command-line tool. Support for more operations. Unified output for all commands: as a text table, in JSON, and in XML.
- Built-in ReadyKernel™ eliminates system update downtime.
Based on the kpatch technology, ReadyKernel™ is live patching of a
running Linux kernel to apply kernel hotfixes and CVEs in seconds.
- New infrastructure networking. Simplifies cluster-wide
traffic and firewall configuration. Traffic types are easily assigned to
cluster networks on a single screen which minimizes chances of
misconfiguration. Also, new traffic types for Compute service and SNMP
are added.
- UI and UX improvements:
- New navigation menu.
- New controls and fresh UI.
- Ability to send problem reports.
- Improved admin panel performance when listing resources of nodes with more than 250 local disks and 100 network interfaces.
- Single repository for all components. Easy and integrated cluster updates from the unified RPM repository.
- Acronis Backup Gateway improvements:
- Improved backup protocol (higher backup speed, better resilience
for network lags) for Acronis Backup Cloud 8.0 and Acronis Backup 15
coming in 2019.
- It is possible to configure geo-replication for Acronis Backup Gateway via CLI. Setup via UI is planned for the next release.
- Yandex.Cloud support.
- Other enhancements:
- New high availability engine significantly improves cluster reaction time to node failure for all services.
- New internal cluster DNS service that improves cluster services discovery.
- Better overall stability and performance.
Fixed issues
Acronis Backup Gateway
- [VSTOR-15478] Now Acronis Backup Gateway can be registered in
Acronis Data Cloud 7.8 using the base "cloud.acronis.com" URL instead of
a direct link to the datacentre.
Core storage
- [VSTOR-18256] Persistent iSCSI Portal is used during configuration.
S3
- [VSTOR-2948, VSTOR-8883] Improved S3 cluster creation. Automatic
high availability management for object storage configuration service.
Known issues
Acronis Backup Gateway
- [VSTOR-12966] Management portal address must start with "http://"
while registering Acronis Backup Gateway in Acronis Backup 12.5.
- [VSTOR-17808] Failover for Backup Gateway geo-replication is possible via CLI only.
Compute service
- [VSTOR-15978] Compute overview may not work during adding/releasing nodes in the compute cluster.
- [VSTOR-18299] Unable to release a node from the compute cluster if
it's included in the management node high availability configuration.
Release the node from the management node high availability first before
releasing it from the compute cluster.
- [VSTOR-16644] It is not possible to scale down virtual machine RAM, if the compute cluster has no free memory.
- [VSTOR-18054] There is no "crashed" state for virtual machines. Such
virtual machines are displayed as "ACTIVE" even though they are not
operational anymore.
- [VSTOR-18491] User is unable to reassign the "Compute private" and
"Compute API" traffic types to other networks after the compute cluster
has been deployed.
- [VSTOR-17752] Need to manually clean browser cache and cookies after
destroying the compute cluster. Otherwise the newly created compute
cluster will have empty compute dashboard.
- [VSTOR-15252] Need to manually refresh browser page after flavor creation.
Virtual machines migration
- [VSTOR-12379] It is not possible to cancel an ongoing migration.
- [VSTOR-18053] No error on attempt to migrate a virtual machine to a node with no free RAM.
- [VSTOR-17921] The admin panel does not prevent migration of a
virtual machine with a public NIC to a node that is not connected to an
underlying public network.
- [VSTOR-18061] Virtual Machine live migration to a node with a different CPU may fail without an error message.
Compute networking
- [VSTOR-17943] It is not possible to use VLANs in virtual machines in the 'private' backnet.
- [VSTOR-16839] The DHCP address might not be obtained by a virtual machine from a network that not assigned to the adapter.
Core storage
- [VSTOR-16523] No "System + Metadata" disk role in the advanced mode
during storage cluster creation or joining nodes to a storage cluster.
- [VSTOR-11567] It is not possible to release the "MDS + cache" disk
role without releasing all the corresponding disks to the cache or whole
node release.
- [VSTOR-17902] Storage cluster name must be shorter than 50 characters.
High availability for Management
- [VSTOR-14800] Need to manually refresh admin panel web page after creating the management node high availability configuration.
- [VSTOR-16823] In some cases, a node could be treated as "offline"
for a while after creating the management node high availability
configuration.
- [VSTOR-18730] If only one, "Private", network is used in a cluster,
the user must unassign the "Admin panel" traffic type from the "Public"
network before Management node high availability creation on top of only
one ("Private") network.
- [VSTOR-10950, VSTOR-17690, VSTOR-16716] It is impossible to add a
node to the management node high availability cluster if one of the
nodes included in the management node high availability configuration is
offline. The user needs to remove all nodes from the management node
high availability cluster and recreate it from scratch.
- [VSTOR-18259, VSTOR-17852] User cannot release the master management
node from the management node high availability configuration.
- [VSTOR-19274] In some cases it is needed to add "vstoradmin" user to
"vstorage-user" group manually ("usermod -a -G vstorage-users
vstoradmin; systemctl restart vstorage-ui-backend") after adding new
node to Management node high availability.
Block Storage service
- [VSTOR-12872] In some cases, I/O may hang or cluster performance may degrade on iWARP cards in case of a node failure.
- [VSTOR-18121, VSTOR-5621] High availability for iSCSI/FC does not
work for iSCSI initiator in Windows 7, Windows 10 due to the lack of
Active-Active mode and persistent reservations.
Monitoring and alerting
- [VSTOR-13811] S.M.A.R.T. alerts for system disks are not shown in the panel.
- [VSTOR-17286] "Network has undefined speed" alert is displayed for network interface with unplugged link.
- [VSTOR-13622] The chart zoom on disk performance graphs on node screen can't be reset to the initial state.
- [VSTOR-17297] The storage dashboard and the compute overview may
report different physical space values, because the compute overview
also takes into account licensed space.
Licensing
- [VSTOR-12495] SPLA license may stop working with an error "bad request", if the local time is set to a past value.
NFS
- [VSTOR-18068] No error message when creating NFS cluster on a node without the 'NFS' traffic type.
Installer
- [VSTOR-18277] Installation from ISO is possible only with a US
keyboard. This may result in issues with installations via IPMI with
non-US locales.
Obtaining the update
You can upgrade Acronis Storage 2.4 to Acronis
Software-Defined Infrastructure 2.5 in the SETTINGS > UPDATE section
via the upgrade wizard that will check update eligibility. Refer to
section 2.7.1 of the Acronis Storage Administrator's Guide for a list of
conditions that must be met in order to upgrade. A reboot is required
to complete the update. Updated nodes will be rebooted automatically,
one at a time. During the reboot, the storage service and management
panel might be unavailable on cluster configurations without the
redundancy of services or data. iSCSI targets will be stopped during the
update.