NexentaStor is both a free and commercial software project that provides users with enterprise-class storage solutions for everyone who needs superior features like block level mirroring, unlimited incremental backups or snapshots.
Key features
This is the community derived version of NexentaStor which also supports snapshot mirroring (replication), easy management of extremely large storage pools, graphical and command-line interfaces, as well as integrated search functionality.
Being based on the OpenSolaris operating system and using the highly acclaimed ZFS filesystem, NexentaStor provides iSCSI- and NAS-based storage solutions with several capabilities required by modern organizations.
Availability and installation
Besides the Community Edition reviewed here, NexentaStor is also distributed as an Enterprise Edition, which can be downloaded from Softoware.
The project is distributed as a single CD-size ISO image that lets users to boot the operating system directly from a USB flash drive or CD disc. Citrix XenServer and VMware images of NexentaStor are available for download from the project's home page.
Users can directly install the distribution from the GRUB-powered boot prompt. In addition, it allow you to run a memory subsystem test, drop to a recovery shell, as well as to boot an existing operating system installed on the local hard disk drive.
It provides users with a text-mode installer designed to deploy the operating system onto a portable device, such as a USB memory stick or hard drive. To install it, you only have to choose a location and timezone, as well as to select the target hard disk drive.
Bottom line
In conclusion, NexentaStor Community Edition is a decent unified storage solution based on the Solaris operating system. It features the groundbreaking ZFS filesystem, and many other state-of-the-art features. A "Developer's Edition" of NexentaStor is a also available for free on the project’s homepage.
What is new in this release:
- This latest version of NexentaStor delivers significant performance, reliability and functionality improvements to the award-winning SDS solution, having passed through rigorous engineering, customer and partner testing with flying colors. NexentaStor will continue to be available in two editions: Community edition (free, full-featured, community supported software for configurations up to 18TB), and Enterprise edition (licensed by the size of the storage pool). NexentaStor 4.0 is Citrix and VMware ready and certified to run on a variety of reference hardware configurations from strategic technology and channel partners.
What is new in version 3.1.5:
- AutoSync Performance and Reliability Enhancements
- NDMP Updates
What is new in version 4.0 Milestone 23:
- #12123 - implemented cacheing for sesctl - NMS
- #12274 - Joining to Active Directory - NMS
- #12290 - Fix display unbound target host for slave service - AUTOSYNC
- #12327 - NMV waits 10 sec on each unavailable host - NS-CLUSTER
- #12340 - Can not create namespase link in server placed in group - NS-CLUSTER
- #12444 - ifconfig call has wrong options for ipmpgroupint - NMS
- #12455 - Interface settings dialogue shows gibberish in local terminal - NMC
- #12472 - NMV: can not remove namespace link - NS-CLUSTER
- #12499 - Socket descriptor leak is fixed - REMOTE-REP
- #12521 - Disk slot numbers do not map into numbers on picture of JBOD - NMS
- #12529 - Add Multiple ipdevice monitoring support to NMS - RSF-CLUSTER
- #12535 - update help files - NMV-ON-LINE-HELP-SYSTEM
- #12393 - Kerberos and smbd disagree about who is our AD server - nza-kernel
- #12464 - Spurious errors setting up new sessions - nza-kernel
- #12394 - Even NULL sessions should use SPNEGO - nza-kernel
- #11780 - Improve hypervisor environment detection - nza-kernel
- #12453 - Fixed the logic that calculates and shows Utilized value to an user - NMS
- #12889 - Dashboard page: server counter is not incremented after server was added - NS-CLUSTER
- #12891 - update size and size_bytes zvol props - NMS
- #12928 - Fixed some mistakes in process of convertion CE to EE - NMC
- #13128 - replace gz with bz2 for CollectLogsDiags - NMS
- #13167 - Can not destroy cluster, add force signals reconnect - NS-CLUSTER
- #12277 - new psrinfo does not print socket type - nza-kernel
- #12675 - some e1000g devices don't support 15 unicast addresses - nza-kernel
- #10360 - Unable to use /usr/lib/fm/fmd/fmtopo to discover SES / drive topology with the Dell MD1200. - nza-kernel
- #12739 - AD join with lmauth_level=2 fails - nza-kernel
- #12927 - LSI 2008 mpt_sas nza-kernel
- #12534 - Race between logsyseventfilename() and logeventupcall() can cause panic - nza-kernel
- #8564 - "mutex_enter: bad mutex" panic when under heavy load - nza-kernel
- #7126 - smbd panic with missing negotiate challenge - nza-kernel
- #10479 - NM Interfaces have no way to review the differences between two zfs snapshots - NMC
- #10917, #12504 - target groups sync, ALUA - COMSTAR
- #11264 - allow send tech support request during wizard in NMV - NMV
- #12022 - NMC network services configuration and log file hints are not translated - NMS
- #12043 - volume-check runner: data parsed incorrectly - NMS
- #12263,12291 - Two minor NMC/NMS localization bugs - NMS
- #12312 Fix buffer large than 16Mb - REMOTE-REP
- #12411 - fixed process of plugin installation in NMV - NMV
- #12433 - update year in copyright string in NMV - NMV
- #12452 - Question about compression should not be shown to user if he does grow operation for volume - NMC
- #12493 - SVC remove nmdtrace dependency from nmv, increase nmdtrace start attempt limit. - NMV
- #12586 - Fix R2L destination address. - AUTOSYNC
- #12609 - Sessions count In ALUA mode - COMSTAR
- #12638 - vdev changes + alua fix - RSF-CLUSTER
- #12790 - quota-check: exclude zvols from check - NMS
- #12798 - NMV: error on create network interface - NMV
- #12813 - Fix invalid auto-complete for create/destroy iscsi commands in nmc - COMSTAR
- #12815 - Fix IPC call logging - NMS
- #12818 - NMV Internal Error when iSCSI target service is disabled - COMSTAR
- #12819 - Dont try listing iSCSI initiators when iSCSI target service is disabled - COMSTAR
- #12820 - Prohibition of creating subfolder if parent folder is not mounted or read-only - NMS
- #12830 - Fix invalid auto-complete for create/destroy auto service command in nmc - NMC
- #12836 - re #12377 - Unregister/Remove HyperV VM action is fixed - VMDC
- #12837 - Ability to start/suspend/stop several VStorage VMs - VMDC
- #12859 - Increase nmdtrace start attempt time. - NMV
- #12852 - Community Edition ISO has old foreground image in grub menu - nexenta-builder
- #12769 - dont send obsolete mode pages to SSDs, SATA, SBC2 and later conforming devices - nza-kernel
- #12720 - It should be possible to customize available languages and text of EULA in installer - nexenta-builder
- #12765 #12279 - statd is not handling incoming SM_NOTIFY properly when the hostname is not resolvable - nza-kernel
- #11612 - Failing vdev of a mirrored pool should not take zfs operations out of action for extended periods of time. - nza-kernel
- #9110 - zdb dies with arithmetic exception - nza-kernel
Requirements:
- 64 bit processor (32 bit not recommended for production)
- 1GB RAM minimum for evaluation
- 2 identical relatively small disks for high-availability system folder
- Additional drives/storage for data volumes
Limitations:
- Unlimited, FREE version for up to 18TB of storage
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