We performed a comparison between Hitachi ShadowImage and Quest QoreStor based on real PeerSpot user reviews.
Find out what your peers are saying about NetApp, Fivetran, Dell Technologies and others in Data Replication."The most valuable feature of Hitachi ShadowImage is high-speed data transfer from one server to another. Other solutions would have problems with transferring 50 TB of data. I also like that Hitachi ShadowImage is easy to use."
"Deduplication is the most valuable feature. It saves us a lot of space. When we back up 100 terabytes of data, after dedupe, it only uses maybe five to six terabytes for the disk space in QoreStor."
"Data deduplication and replication would be the top two features. The encryption and cloud tiering are also attractive for the future."
"It integrates with various backup software solutions, which makes it compatible with existing backup workflows and processes."
"The dedupe and compression are pretty extreme. On disk, we're getting dedupe rates of up to 65 percent of data and compression of 34 percent. When you go to the cloud, it's more like 76 percent for dedupe and almost 50 percent for compression."
"The features we use for the data deduplication are nice because we're able to back up a much larger amount of data, yet it doesn't necessarily take up that much data on the devices."
"QoreStor has helped us to reduce our backup storage requirements on-premises. We've been using the same devices for quite a while, and so it lets us keep using them as opposed to having to rip out all that hardware and create a new on-prem solution. The advantage here is even if we had to retire the hardware tomorrow, the QoreStor part doesn't change. We just have to have additional hardware and put the solution back on whatever hardware we pick and it'll do the same thing."
"API and script configuration in Hitachi ShadowImage is sometimes complicated, so this is an area for improvement. Another area for improvement is that the Hitachi ShadowImage interface isn't as user-friendly."
"They need to increase their maximum capacity. Other than that, they're doing a pretty good job."
"The installation could use improvement. The initial installation was a little touchy and it's not really user-installable. You have to have a connection to support to install."
"The management interface is in need of improvement. The graphical user interface (GUI) for the web management tools appears clunky, and not super intuitive."
"The setup of the software is definitely not the easiest thing. I worked a lot with Quest engineers, especially in the early days when we were first testing it and trying it out. I actually had some of the developers working with us at one point because they were going through these point releases, and I was having trouble getting it to work in this S3-compatible situation. We got it all working eventually, but setup is definitely not the easiest thing in the world."
"In terms of improvement, we would like to have an Air Gap feature to prevent a virus from attaching to something. So that when we don't do a backup, we want the QoreStor to stay offline. It would be a nice feature to have."
"The ransomware protection of QoreStor could use improvement."
Hitachi ShadowImage is ranked 7th in Data Replication with 1 review while Quest QoreStor is ranked 20th in Data Replication with 6 reviews. Hitachi ShadowImage is rated 8.0, while Quest QoreStor is rated 8.6. The top reviewer of Hitachi ShadowImage writes "Easy to use and can do high-speed data transfers from one server to another". On the other hand, the top reviewer of Quest QoreStor writes "Multi-thread backups and snapshotting have eliminated the scheduling issues we had to deal with around backups". Hitachi ShadowImage is most compared with Hitachi TrueCopy and Hitachi Thin Image Advanced, whereas Quest QoreStor is most compared with Dell PowerProtect DD (Data Domain), HPE StoreOnce, ExaGrid EX Series and DD Boost.
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