Specialized Solutions
Backup & Disaster Recovery
Database backup and disaster recovery (DR) is the discipline of protecting data integrity and ensuring rapid business continuity across outages, hardware loss, and ransomware. JusDB engineers continuous WAL/binlog streaming, immutable air-gapped snapshots, and automated sandbox restore validation across PostgreSQL, MySQL, and MongoDB, designed for sub-second RPO, with recovery times validated in restore drills.
Protect your critical data and ensure business continuity with our comprehensive backup and disaster recovery solutions. Minimize downtime and data loss with enterprise-grade protection.
Data Backup
Regularly back up your critical data to secure locations, ensuring minimal data loss in case of an incident.
Database Replication
Replicate your databases to multiple locations for redundancy and faster recovery times.
Disaster Recovery Planning
Develop a comprehensive disaster recovery plan tailored to your business needs, minimizing downtime and ensuring business continuity.
Point-in-Time Recovery
Restore your data to any specific point in time with granular recovery capabilities.
Cross-Region Backup
Distribute backups across multiple geographic regions for maximum protection.
Backup Monitoring
Continuous monitoring of backup processes with automated alerts and reporting.
Comprehensive Protection Strategy
Our backup and disaster recovery solutions provide enterprise-grade protection for your critical data and systems.
Technologies We Work With
Enterprise backup and disaster recovery solutions
Database-Specific Backup Solutions
Generic backup tools leave gaps. Our database engineers implement purpose-built backup strategies for each database engine's specific architecture, replication model, and consistency requirements.
MySQL & Percona
RPO < 1 second- Percona XtraBackup (hot physical backups)
- mysqldump / mydumper for logical backups
- Binary log (binlog) for PITR
- Percona XtraDB Cluster SST for Galera
PostgreSQL
RPO < 1 second- pgBackRest with WAL archiving
- Barman (Backup and Recovery Manager)
- WAL-G for cloud-native WAL archiving
- pg_basebackup for physical base backups
MongoDB
RPO < 5 seconds- MongoDB Ops Manager / Cloud Manager
- mongodump / mongorestore for logical
- Filesystem snapshots with journal consistency
- Atlas continuous cloud backup
Cassandra
RPO < 60 seconds- Medusa for Cassandra backup automation
- nodetool snapshot for node-level backups
- SSTable-based incremental backups
- Multi-datacenter replication as DR
Redis / Valkey
RPO < 1 second- RDB snapshots (point-in-time)
- AOF (Append-Only File) for durability
- Redis Sentinel for HA failover
- Redis Cluster cross-shard replication
Elasticsearch / OpenSearch
RPO < 5 minutes- Snapshot API to S3/GCS/Azure Blob
- Incremental shard-level snapshots
- Cross-cluster replication (CCR)
- Index lifecycle management (ILM)
Understanding RTO & RPO for Databases
Recovery Time Objective (RTO) and Recovery Point Objective (RPO) are the two most critical metrics for any database backup strategy. We design each backup architecture to meet your specific business SLAs.
Recovery Time Objective (RTO)
The maximum acceptable time to restore your database after an outage. A lower RTO means faster recovery and less business disruption.
Recovery Point Objective (RPO)
The maximum acceptable amount of data loss measured in time. A lower RPO requires more frequent backups and often continuous replication.
Backup & DR Failure Modes We Engineer Against
Most disaster recovery plans fail during real emergencies because backups were never physically restored or WAL chains were silently broken. JusDB hardens database pipelines against these catastrophic failure states:
Missing WAL Segments during Point-in-Time Recovery (PITR)
During an emergency point-in-time recovery, a missing or corrupted write-ahead log (WAL) segment halts the restore pipeline. The database daemon stops before reaching the target timestamp, leaving transactions uncommitted and forcing teams to roll back hours or days.
We deploy continuous WAL archiving with pgBackRest or Barman, set archive_timeout to bound how old the last archived segment can be, run automated archive checks, and alert on any gap in the WAL archive.
Single-Threaded Bottlenecks on Multi-TB Restores
Restoring a 10TB+ production database from cold cloud storage using single-threaded logical dump tools (pg_dump, mysqldump) takes 24–48+ hours due to unindexed network streams and single-core table re-creation, blowing past business RTO limits.
We configure parallel physical backup and restore with Percona XtraBackup and pgBackRest, using parallel LZ4 or zstd compression and multi-part cloud transfers sized to the storage and network throughput you have.
Silent Storage Bit Rot & Unverified Backup Catalogues
Backup storage buckets report successful daily snapshots, but silent filesystem bit rot, truncated files, or altered encryption keys render archives unbootable. Teams only discover the corruption when an actual disaster strikes.
We establish automated restore pipelines that spin up isolated, short-lived database sandboxes on the cadence agreed in your proposal, load full backups, replay WAL or binlogs, and verify row-count and checksum parity.
Our SREs continuously verify archive completeness and checkpoint LSN consistency without interrupting live application transactions:
# 1. Validate pgBackRest stanza configuration & WAL archiving pgbackrest --stanza=production --log-level-console=info check # 2. Inspect active backup manifests, stop times, and archive retention pgbackrest --stanza=production info
# 1. Inspect backup checkpoint metadata & LSN continuity cat /var/backup/mysql/xtrabackup_checkpoints # Expected: backup_type = full-backuped, to_lsn = 41982938102 # 2. Non-blocking prepare phase to roll forward committed logs xtrabackup --prepare --target-dir=/var/backup/mysql/latest
How JusDB Backup & DR compares to alternative approaches.
Backups that have never been tested for restore are simply an assumption. Here is how JusDB's automated verification, continuous WAL streaming, and DR runbooks compare to cloud snapshots, legacy enterprise backup tools, and home-grown cron scripts.
| Backup & DR Dimension | JusDB Automated DR SRE | Native Cloud Snapshots | Legacy Enterprise Tools | In-House Cron Scripts |
|---|---|---|---|---|
| Point-in-Time Recovery (PITR) Precision | Continuous WAL / binlog archiving, with restore to a chosen timestamp, transaction, or log position just before the incident; RPO depends on how far archiving lags the primary | Automated backups with point-in-time restore within the retention window (on RDS, typically up to the last 5 minutes); restore testing and runbooks stay with your team | VM-level filesystem snapshots lacking database storage engine awareness, risking torn pages and crash-inconsistent recovery | Daily logical dumps with high RPO (up to 24 hours of lost transactions) and heavy load on the primary during export |
| Automated Sandbox Restore Verification | Automated restore drills into isolated sandboxes on the cadence agreed in your proposal, validating checksums and row-count parity | Snapshots report 'Completed' status without verifying whether the underlying data files will successfully start the database daemon | Backup catalogs verify archive file presence but rarely execute live automated database startup tests | Zero automated restore testing; teams discover backup corruption only during emergency production recovery attempts |
| Recovery Speed (RTO) & Multi-TB Scale | Parallel physical backup and restore (pgBackRest, Percona XtraBackup) sized to your storage and network throughput, with restore time measured in drills | Storage volume hydration can take hours or days to achieve full IOPS performance from cold S3/GCS snapshots | Restoring massive multi-terabyte virtual disk images is slow and requires heavyweight enterprise storage gateways | Logical restores (pg_restore, mysql) reload every row and rebuild every index, so large databases can take many hours or days to restore |
| Ransomware & Air-Gap Protection | Immutable WORM storage, separate cloud security accounts, and cross-region replication preventing malicious deletion | Snapshots reside in the same cloud account and can be wiped if root cloud credentials or IAM roles are compromised | Complex enterprise licensing; offsite tape or secondary vaulting adds significant operational management overhead | Stored on local disk mounts or simple S3 buckets vulnerable to accidental deletion or credential theft |
| DR Runbooks & Simulated Rehearsals | Engine-specific disaster recovery runbooks, rehearsed where your agreement or an HA/DR project includes drills, with measured RTO/RPO | Generic cloud documentation; customer is left to author, test, and maintain their own database recovery runbooks | Outdated PDF checklists that fail to reflect recent database version upgrades or schema changes | Tribal knowledge residing with a single engineer; zero written runbooks for failover under emergency pressure |
| Compliance, Encryption & Audit Governance | AES-256 encrypted backups at rest and in transit, access logging, and mapping to your SOC 2 / HIPAA / PCI DSS controls | Basic KMS encryption enabled, but compliance retention policies and access audit trails require manual setup | Heavyweight compliance modules requiring expensive enterprise add-on software licenses | Unencrypted dump files frequently left on bastion hosts or staging servers with unrestricted internal developer access |
What are the most common database consulting questions?
Common questions about database backup and disaster recovery
How often should we backup our production database?
Backup frequency depends on your RPO. Mission-critical databases (banking, e-commerce) typically need continuous WAL archiving for sub-second RPO, plus daily full backups and hourly incrementals. Less critical databases may be fine with daily full backups. We assess your tolerance for data loss and design a backup schedule that balances RPO requirements with storage cost and performance impact.
What is the difference between a backup and high availability replication?
High availability (HA) replication protects against server failures but NOT against data corruption, accidental deletion, or ransomware — all changes (including bad ones) replicate instantly to all replicas. Backups are point-in-time snapshots that let you roll back to before an incident. You need both: HA replication for uptime and backups for data integrity and compliance.
How do you test that our backups actually work?
We implement automated backup verification as part of every backup strategy. This includes automated restore tests to a separate environment, checksum validation of backup files, periodic full restore drills, and documented runbooks for each recovery scenario. Many teams discover backup failures only when they need to restore — we catch those failures proactively.
What is a 3-2-1 backup strategy?
The 3-2-1 rule means keeping 3 copies of data, on 2 different storage types, with 1 copy offsite. For databases: the primary database (copy 1) + local backup on attached storage (copy 2, different media) + remote cloud backup in another region (copy 3, offsite). This protects against hardware failure, site disasters, and ransomware that encrypts local backups.
How quickly can you restore a 10TB database?
Restore speed depends on backup type and infrastructure. Physical backups (Percona XtraBackup, pgBackRest) restore much faster than logical dumps (mysqldump, pg_dump), which must rebuild every index. For a physical restore, sustained storage and network throughput sets the floor: at 1 GB/s, copying 10 TB takes close to 3 hours before the prepare step or WAL replay. We tune parallelism, compression, network bandwidth, and I/O, then measure the real figure in a restore drill rather than estimate it.
Do you handle compliance requirements like HIPAA and PCI-DSS for backups?
Yes. HIPAA requires encrypted backups, access controls, and audit trails for PHI. PCI-DSS requires encryption at rest and in transit, access logging, and retention policies. We implement AES-256 encryption for all backup storage, role-based access controls, comprehensive audit logging, and retention schedules that meet your specific compliance framework requirements.
Related Services
High Availability & Failover
Complementary HA architecture with automatic failover, so losing a server means a failover rather than a restore.
Database Security Audits
Comprehensive security review of your database access controls, encryption, and backup integrity.
Emergency Database Support
Emergency response when disaster strikes, at agreed initial-response targets.
Ready to Protect Your Business?
Contact us today to learn more about our backup and disaster recovery solutions and how we can protect your critical data.