In 2015 Spectrum Protect 7.1.3 introduced Container storage pools, which can reside in the cloud, as well as inline deduplication.
Spectrum Protect 7.1.5 released in March 2016 has added significant new features to maximise your investment. Remember that this new functionality is included in the base licence.
Details on the new features in 7.1.5. can be found here
This blog article will highlight two of the most significant new features
- Server Side Inline Compression
- Cleversafe storage pool support
Perhaps the most significant new feature introduced with 7.1.5 is Server Side Compression for Container Storage Pools.
This is inline compression using a lossless LZ4 algorithm focused on performance - it is more effective than the LZW compression already available in Client Compression.
Data that does not compress well will not be compressed.
Inline compression does incur a CPU overhead, so your Spectrum Protect server does need sufficient processing power to benefit.
However, if the primary bottleneck in your environment is disk I/O you may observe throughput improvements using compression due the reduced volume of disk I/O
IBM’s Spectrum Protect Blueprints are a useful guide to recommended server and storage configurations
Compression and deduplication are honoured by replication, so if your Spectrum Protect servers are configured correctly, you can also benefit from greatly reduced replication data volumes transferred over the network.
To see if you will benefit from compression, download IBM’s Comprestimator tool:
To maximise benefit from Spectrum Protects data compression methods, the following sequence should be followed:
Deduplication – Compression – Encryption
This approach multiplies the benefits of data compression; for example a 3:1 deduplication ratio combined with a 2:1 compression ratio gives a total 6:1 compression ratio.
The use of Spectrum Protect native compression and deduplication, provided at no additional cost with the base licence, opens up a range of new user cases for Spectrum Protect
- Spectrum Protect compression offers a low cost alternative to hardware compression. You can now enjoy the benefit of compression on entry level disk arrays
- Spectrum Protect compression and deduplication combined offer cost effective alternative to deduplication appliances and Virtual Tape Libraries.
- Spectrum Protect compression and deduplication combined maximise data compression ratios that may make disk storage a viable alternative to tape
- Spectrum Protect compression and deduplication combined maximise data compression ratios that may make public or hybrid cloud storage for backup data a viable option
Cleversafe backed storage pools
IBM acquired Cleversafe in 2015 and is integrating its innovative technology into its Spectrum range of products. One of the first results of the acquisition is the support for Cleversafe storage for Spectrum Protect Storage Pools, announced in Spectrum Protect 7.1.5
So what is Cleversafe?
Cleversafe provides distributed object storage that can be based on-premise, in the cloud, or in a hybrid cloud environment.
Cleversafe’s innovative technology ‘slices’ objects so that a single object is distributed geographically to ensure data integrity, while requiring up to 50% less storage capacity than traditional approaches.
Data stored by Cleversafe is accessed via ‘accessors’ which provide standard protocol access.
Spectrum Protect can now store data on Cleversafe storage defined as a Cloud Container Storage Pool, using the Amazon S3 Protocol to communicate with the Cleversafe Accessors.
Bear in mind that cloud storage, such as Cleversafe, is highly dependent on network latency. So it is important to confirm that Cleversafe performance can meet your requirements, especially for restore.
IBM have tested Cleversafe Container Storage pools, and in ideal conditions ingest rates of up to 3.6TB/hr (30TB/day with 8hr backup window) have been observed. These rates were obtained with on-premise Cleversafe and 10Gb network, so ingest rates with cloud based architectures will be lower