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Measures reported by ExGdDedupTest ExaGrid offers a unique approach to ensure that ransomware attackers cannot compromise the backup data, allowing organizations to be confident that they can restore the affected primary storage and avoid paying ugly ransoms. ExaGrid's unique approach called “Retention Time-Lock” prevents the hackers from deleting the backups and allows for retention points to be purged. The result is a strong data protection and recovery solution at a very low additional cost of ExaGrid storage. Backups are written directly to the “network-facing” ExaGrid disk-cache Landing Zone for fast backup performance. The most recent backups are kept in their full undeduplicated form for fast restores. Once the data is committed to the Landing Zone, it is tiered into a “network-facing” long-term retention repository where the data is adaptively deduplicated and stored as deduplicated data objects to reduce the storage costs of long-term retention data. As data is tiered to the Retention Tier, it is deduplicated and stored in a series of objects and metadata. The backups in the retention tier/repository can be any number of days, weeks, months, or years as required by the organization. There are no limits to the number versions or length of time for the backups to be retained. If in case, data could not be deduplicated periodically in the retention repository or if the data deduplication process is slower than usual, the backup could not be completed at the expected time. If an attack happens during such period, administrators may be forced to backup partial data since the backup is incomplete. The end result is data loss which will defeat the whole purpose of the ExaGrid Backup Server. To proactively detect inconsistencies in data deduplication, administrators can use the ExGdDedupTest test. This test reports the amount of data that can be restored by the target ExaGrid Backup Server and the amount of data that is yet to be deduplicated. Besides, this test also sheds light on the time duration for which the backup is retained as part of the detailed diagnostics. Outputs of the test : One set of results for the target ExaGrid Backup Server being monitored. The measures made by this test are as follows:
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