Network configuration All D2D appliances have two 1GBit Ethernet ports, the D2D4312 and D2D4324 appliances also have two 10GBit Ethernet ports. The D2D appliance will compress the data at the end of deduplication processing an Consequently, performance will also suffer.
#Hash based file deduplication software software
Data compression and encryption backup application features Both software compression and encryption will randomize the source data and will, therefore, not result in a high deduplication ratio for these data sources. The following graph illustrates only the relationship between the number of active data streams and performance. Housekeeping is an important process in order to maximise the deduplication efficiency of the appliance and, as such, it is important to ensure that it has enough time to complete. on or off) so, even if backup jobs are in process, some low level of housekeeping will still take place which may have a slight impact on backup performance. It is, however, important to note that the hold- off is not binary, (i.e. Hold-off to prevent impacting the performance of other operations. Replication starts when the cartridge is unloaded or a NAS share file is closed after writing is complete, or when a replicatio If a lot of similar data exists on remote office D2D libraries, replicating these into a single target library will give a better deduplication ratio on the target D2D Backup System. The hashing algorithm generates a unique hash value that idenĪppended backups need to “clone” the cartridge on the target side, so performance of appended tape replication will not be significantly faster than replicating the whole cartridge. It uses hash-based chunking technology, which analyzes incoming backup data in “chunks” that average up to 4K in size. HP StoreOnce Technology is an “inline” data deduplication process. HP StoreOnce Technology A basic understanding of the way that HP StoreOnce Technology works is necessary in order to understand factors that may impact performance of the overall system and to ensure optimal performance of your backup solution. Do not pre-allocate disk space for backup files.
#Hash based file deduplication software full
Disable software compression, deduplication and synthetic full backups. Choose disk backup file sizes in backup software to meet the maximum backup size. Adhere to the suggested maximum number of concurrent operations per share/appliance. NAS best practices at a glance Configure multiple shares and separate data types into their own shares. As a quick reference these are the importan A backup product using deduplication combines efficient disk usage with the fast single file recovery of random access disk. HP StoreOnce Technology is designed to increase the amount of historical backup data that can be stored without increasing the disk space needed. Related products Information in this document relates to tĮxecutive summary This document contains detailed information on best practices to get good performance from an HP D2D Backup System with HP StoreOnce Deduplication Technology. In order to get the best performance from a D2D Backup System there are some configuration best practices that can be applied. 65 Replication Monitoring.Ībstract The HP StorageWorks D2D Backup System products with Dynamic Data Deduplication are Virtual Tape library and NAS appliances designed to provide a cost-effective, consolidated backup solution for business data and fast restore of data in the event of loss. HP D2D Backup Systems Best practices for VTL, NAS and Replication implementations Table of contents Abstract.
0 kommentar(er)
