Data Storage

Open-E JovianDSS key data storage features and benefits

Data Acceleration

• Acceleration of random writes with Write Log (ZIL)
• Hybrid Read Cache with first level in RAM (ARC -Adaptive Replacement Cache) and second Read Cache level on an SSD or NVMe (L2ARC)
• High cache hit rate by using ARC's most recently used (MRU) and most frequently used (MFU) Read Cache algorithms
• Compression and Deduplication for improved performance
• Data resilvering rebuilding of used space only

Data Accessibility

• iSCSI,Fibre Channel (FC), NFS, SMB (CIFS)
• Use of Virtual IPs

Data Availability

• High-Availability Dual-Controller Clustering
• Active-Active and Active-Passive HA Cluster
• Dual Storage (Stretched) Metro HA Cluster and Common Storage Cluster architectures

Data Integrity and Protection

• Data and metadata check-summing
• Self-healing to detect and correct silent data errors with Scrub utility
• Atomic Transaction Writes to keep data consistent
• Transactional copy-on-write I/O operations eliminate silent data corruption and data fragmentation
• Storing multiple copies of user data

Data Optimization

• Online Compression ( LZ4, LZJB, ZLE, GZIP 1..9 )
• Online Deduplication
• Thick, Thin and Over-Provisioning
• Lightweight snapshots and clones taking up space once changes are made only

User Authentication

• Local LDAP users and groups authentication for SMB /CIFS protocol
• External Active Domain Server

File System & Storage Virtualization

• 128-bit ZFS file system
• Pooled storage model
• Unlimited scalability with storage expansion during production
• Unlimited file and volume size
• Unlimited Snapshots and Clones (Copy-On-Write)

System Monitoring

• SNMP
• Nagios, Checkmk
• GUI statistics