What is a good deduplication ratio?

That’s why primary storage deduplication ratios of 5:1 are about as good as it gets, while backup appliances can achieve 20:1 or even 40:1, depending on how many copies you keep.

How does Backup Exec deduplication work?

Powerful Deduplication: De-dupe directly to the Cloud and save on storage costs. Unlike other solutions, Backup Exec provides global deduplication all around, including to the Cloud enabling you to reduce the amount of data to be stored and the amount of data travelling over the network while reducing storage costs.

How is deduplication ratio calculated?

It is calculated by dividing the total capacity of backed up data before removing duplicates by the actual capacity used after the backup is complete. For example, a 5:1 data deduplication ratio means that five times more data is protected than the physical space required to store it.

Should I use deduplication?

Should you use it? Deduplication can drastically reduce the size of your data, but we recommend you store your database backups in a share without dedup. You might think that the amount of storage you save is worth it, and it might be.

Which of the following is a deduplication ratio of 2 1?

Some vendors express reduction as a percentage of savings instead of a ratio. If a vendor cites a 50% capacity savings, it’s equivalent to a 2:1 deduplication ratio. A ratio of 10:1 is the same as 90% savings. That means that 10 TB of data can be backed up to 1 TB of physical storage capacity.

How do I delete an expired backup set in Backup Exec?

Right click on that particular Backup Set and click on the option Expire. 6. This will open window with the dependent backup sets and click on Expire to delete all correlated backups sets.

How do I reclaim deduplication storage space manually?

How to reclaim space manually in PureDisk

Expire all NetBackup images backed up to the PDDO storage pool.
Check the Dedupe Storage queue folder.
Run CR queue processing.
Monitor processing progress by checking the storage log.
Run PDDO data removal and wait for 5 minutes (or you can check the job run status in the PD GUI)

How do you calculate compression ratio for storage?

To determine the compression ratio, divide the size of outputFile value by the length (-l 200000 ). For example, if the size of outputFile value is 66 000 bytes, then the compression ratio is 66000/200000 or 0.33 (3:1 compression).

How much does Veritas Backup Exec cost?

Veritas Backup Exec pricing starts at $39.00 as a flat rate, per month. They do not have a free version. Veritas Backup Exec offers a free trial.

Who Makes Backup Exec?

Veritas
Backup Exec 21.3 is the latest version of Veritas’ backup and recovery software, released on September 6, 2021….Backup Exec.

Original author(s)	Maynard Electronics
Size	2.4 GB

Why Backup Exec deduplication engine will not start?

If this file is tampered then Deduplication Engine will not start (call support to rectify the file) Backup Exec Deduplication Engine may not start if any bin or bhd file goes missing from Dedupe\\Data folder. The Data folder contains all containers (bin and bhd) which houses the unique segments).

How much data can be deducted from a deduplication storage?

If a Deduplication Storage is holding 500 TB ( Front-end Data) in 40 TB of Storage, 50 TB of front end data expiry will probably free up 5 TB ( very rough figures if 10:1 Deduplication Ratio is considered) within Deduplication Storage.

Does Backup Exec 20 support PostgreSQL deduplication?

Backup Exec 20 does not use PostgreSQL, so some commands that are suited for Backup Exec version 2014, 15, 16 may not apply to Backup Exec version 20 deduplication storage. Backup fails when targeted to a deduplication device but works on a regular disk storage.

What is the difference between Backup Exec version 15 and 20?

Note: Backup Exec version 2014, 15, 16 utilize PostgreSQL as the backend database in deduplication storage folder. Backup Exec 20 does not use PostgreSQL, so some commands that are suited for Backup Exec version 2014, 15, 16 may not apply to Backup Exec version 20 deduplication storage.