We performed a comparison between IBM Spectrum Virtualize, Red Hat Ceph Storage, and StorPool based on real PeerSpot user reviews.
Find out what your peers are saying about StarWind, Nutanix, Red Hat and others in Software Defined Storage (SDS)."We can failover easily, because a lot of our data is replicated from family to the second replication."
"I like all the features, but the most impressive recently has been the introduction of IBM's Flash Core Modules. They are a form of a flash drive, but they have many more features."
"There are many benefits to this solution. Storage virtualization and the ability to migrate massive amounts of data to other systems without impacting your client are the most valuable. It is non-disruptive for my users. We migrated 350 terabytes of data in one night to a new machine without a small system going down and a single user complaining about the performance. You have to fine-tune a lot of storage machines constantly for performance and for making sure that they are optimal, but IBM Spectrum Virtualize does this by itself. It does the adjustment on its own, and it does it right. That's what makes it different. I had a huge VSP from Hitachi, which is also a type of virtualization-based engine but with a decent size. It was a continuous performance-tuning exercise. I never had that issue with IBM Spectrum Virtualize."
"The SVC gives excellent performance with tiered storage behind it."
"I like that it can virtualize more than three hundred storage providers."
"The ability to add the virtual machine on the Spectrum environment to sort out the data movers(DMs) and their schedules is a valuable feature. You are able to have, for example, four data movers to balance them so you do not have too much work on one data mover."
"Migration from configurations where servers have storage provisioned from older SAN disk systems to newer storage systems is almost seamless using image mode migration techniques, with only a short outage of the servers."
"The most valuable feature is its reliability."
"It has helped to save money and scale the storage without limits."
"High reliability with commodity hardware."
"We are using Ceph internal inexpensive disk and data redundancy without spending extra money on external storage."
"Red Hat Ceph Storage is a reliable solution, it works well."
"We have some legacy servers that can be associated with this structure. With Ceph, we can rearrange these machines and reuse our investment."
"Data redundancy is a key feature, since it can survive failures (disks/servers). We didn’t lose our data or have a service interruption during server/disk failures."
"Ceph’s ability to adapt to varying types of commodity hardware affords us substantial flexibility and future-proofing."
"Most valuable features include replication and compression."
"The speed of the storage solution also allows us to provide service to applications that are very I/O intensive."
"With StorPool we were able to build live failover on top of our LXC infrastructure. This allows us both to live-migrate containers between compute nodes without any downtime and, in case of an entire node suffering any type of failure, we can bring all containers back online within a minute on a spare compute node."
"The two 10GE networks provide redundancy and increased performance as they serve as two separate networks doubling the throughput and doing multipathing and load balancing. We now have a high performance shared storage system which enables us to run on private cloud. Our previous system used bare-metal hardware, which provided high performance but inflexible management. Now we have best of both worlds, SSD-class performance with flexibility of a private cloud system."
"The team behind it was very engaged and had the skills and ability to support a service provider."
"Creating snapshots within seconds for big disks has helped our different migration projects since it allows us to perform them in a short period of time."
"Performance, redundancy, scalability and cost-effectiveness. StorPool delivers superbly in all of these areas."
"Level 1 technical support needs improvement."
"I would like to see more baseline replication and integration with the operating system between Vmware and IBMI."
"Anything which improves performance and the ability of our systems would be a nice."
"The only errors I find sometimes is the solution tells me I cannot operate it because a service has turned off, you can just go back to the VM, go to services, and turn back the services. However, this should improve."
"In general, the migration is complicated. Though, it is case-by-case."
"The Storwize port is not so stable."
"They are actually working on one bug we found, which was with flash restore. This was the user interface design for virtual environments."
"GUI should be developed in HTML5 as opposed to Java."
"Some documentation is very hard to find."
"If you use for any other solution like other Kubernetes solutions, it's not very suitable."
"We have encountered slight integration issues."
"Ceph does not deal very well with, or takes a long time to recover from, certain kinds of network failures and individual storage node failures."
"Rebalancing and recovery are a bit slow."
"Please create a failback solution for OpenStack replication and maybe QoS to allow guaranteed IOPS."
"It would be nice to have a notification feature whenever an important action is completed."
"The product lacks RDMA support for inter-OSD communication."
"he only place we feel they could improve is the time it takes to bring new features to production."
"Live and historical performance statistics would be useful, though my understanding is that this is on the way in a future release."
"At times we need to check the disks and do some minor operations. A friendlier user interface would be useful in such cases."
"Monitoring and statistics UI is a bit clumsy."
"It would be good if, with next releases, StorPool provide a better GUI for monitoring and statistics. This would make our experience even better and complete."
"I have personally met with multiple Storpool engineers and spoke about different options and features. There are too many features that we don't know or use yet. My recommendation would be to promote the new features and give users different examples of how they can be used and how we can benefit from them."
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