Tape vs Cloud for Archive and Cold Data

Post by Joseph Ortiz (thank you)

As my colleague, George Crump, discussed in a previous article, “What is Better than Cloud Storage for Cold Data”, cloud storage is great for processing active data but becomes increasingly expensive for storing cold data that is seldom accessed. While we have previously examined a few weaknesses of cloud storage such as latency and bandwidth issues, we have not really examined the actual costs of cloud storage in any detail to see the potential costs of storing large quantities of cold data and archive data long term in the cloud, or retrieving any of that archived data until now. There is a reason that many organizations are now starting to question their decision to store large quantities of cold and archive data in the cloud long term.

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Buying Guide: Backup Appliances

Post by Drew Robb (thank you)

IDC recently put out a report on the worldwide purpose-built backup appliance (PBBA) market. The big news was declining revenues, which are likely to continue due to changes in the dynamics of this space.

“The worldwide PBBA market experienced a year-over-year decline in the second quarter of 2015 as the market continues to evolve,” said Liz Conner, a storage analyst at IDC. “Focus continues to shift away from hardware-centric, on-premise PBBA systems to hybrid/gateway systems. The results are greater emphasis on backup and deduplication software, the ability to tier or push data to the cloud, and the increasing commoditization of hardware, all of which require market participants to adjust product portfolios accordingly.”

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Protecting Compliance in the Public Cloud

Post by Christine Taylor (thank you)

When it comes to compliance, different regulations exist for different industries. For example, the Health Insurance Portability and Accountability Act (HIPAA) is the granddaddy of healthcare-related compliance. Payment Card Industry Data Security Standard (PCI DSS) oversees the credit card industry, while Sarbanes–Oxley (SOX) regulates the reliability of financial reporting by public companies and their accounting firms. The Gramm-Leach-Bliley Act (GLBA) administers a large set of compliance regulations for banks, investment institutions and insurance firms. And there are many more including US–EU Safe Harbor, ISO, FDA and a whole set of federal regulations around information processing, security management and risk management.

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Designing Backup to replace Primary Storage

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Good post by George Crump (thank you)

Users and application owners expect that the systems they use will never go down, and if they do they will be returned to operation quickly with little data loss. In our article “Designing Primary Storage to Ease the Backup Burden” we discussed how to architect a primary storage infrastructure that is able to help meet these challenges. We call this design Protected Primary Storage. But this design can be expensive, especially if it is applied to every application in the data center.

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Is Deduplication Useless on Archive Data?

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Good post by George Crump (thank you)

One of the techniques that storage vendors use to reduce the cost of hard disk-based storage is deduplication. Deduplication is the elimination of redundant data across files. The technology is ideal for backup, since so much of a current copy of data is similar to the prior copy. The few extra seconds required to identify redundant data is worth the savings in disk capacity. Deduplication for primary storage is popular for all-flash arrays. While the level of redundancy is not as great, the premium price of flash makes any capacity savings important. In addition, given the excess performance of AFAs the deduplication feature can often be added without a noticeable performance impact. There is one process though where deduplication provides little value; archive. IT professionals need to measure costs differently when considering a storage destination for archive.

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Protecting NFS storage on vSphere using Veeam virtual proxies

Good post by Luca Dell’Oca (thank you)

Since Patch 3 of Veeam Backup & Replication v7 (build 7.0.0.839) there has been a new mode to manage hotadd backups over NFS, available via a registry key. Per the original release notes:

“Intelligent load balancing can now be configured to give preference to backup proxy located on the same host using the EnableSameHostHotaddMode (DWORD) registry value.”

I’ve kept this post on hold for a while, since with the upcoming v9, DirectNFS will be a much better option than virtual proxies to backup virtual machines running on NFS shares. But there are situations where this key may be still needed, like people still wanting to use virtual proxies against NFS. So, what is this key, and what you can do with it?

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Backup is not Archive

Good post by Joseph Ortiz (thank you)

In order to protect their data while dealing with explosive data growth, many organizations have started backing up their data to the cloud in an effort to reduce their storage and data center costs as well as obtaining data redundancy without the need to maintain a separate physical DR site. Many also mistakenly believe that these additional backup copies qualify as archive copies. Unfortunately, they do not.

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Image-level backups can be done even without CBT

Good post by Luca Dell’Oca (thank you)

Lately, different bugs involving VMware CBT in vSphere 6 have created some justified concerns among users. But there are ways to guarantee successful backups even in these conditions.

Image-level backups are still the way to go

Yes, vSphere 6 is having some issues with CBT in vSphere 6.

Since its introduction back in the days of vSphere 4.0, CBT has been the cornerstone to allow fast incremental backups. CBT (change block tracking), as the name says, is a log of changed blocks of a virtual machine that vSphere registers in a file. Different data protection solutions can read this file, list which blocks have been changed since a given timestamp (usually the previous job execution), and thanks to this easily retrieve only those blocks from the storage instead of having to do a full backup every day.

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HDS storage is faring better than EMC’s trad arrays, reckons analyst

Post by Chris Mellor (thank you) over at El Reg

EMC is ahead overall with HDS mounting an IoT catch-up

HDS storage revenues are declining, but not as much as EMC’s core storage business. Joe Tucci’s business is doing better in its move to add business outside its trad arrays and HDS is mounting an Internet of Things catch-up, looking to store and analyse the hoped-for IoT data deluge.

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