Ask the Experts
Ask the Experts
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Tape backup failures
Russ Fellows, senior analyst at the Evaluator Group, answers a SearchDataBackup reader's questions about the most common causes of tape data backup failures. Continue Reading
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The relationship between RTOs and RPOs
Data backup expert Pierre Dorion discusses the differences between RTOs and RPOs. Continue Reading
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Data Guard based replication vs. SAN (EVA5000 & CA) based replication
Business continuance expert Pierre Dorion answers a reader's question: What are the pros and cons of Data Guard based replication vs. SAN ... Continue Reading
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Reusing backup tapes: Best practices
Backup expert Curtis Preston offers advice on reusing tape. Continue Reading
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Email retention policy: A step-by-step approach
Email retention and archiving expert Bill Tolson offers his advice on how to create an email retention policy. Continue Reading
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Commvault tapes stop writing before full
Backup expert Pierre Dorion offers troubleshooting advice for a SearchStorage reader who asked: Why do our CommVault tapes stop writing before they are full? When I check the tapes, there is plenty of valid data space and the tapes are not marked ... Continue Reading
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Setting up LAN-less backups
SAN expert Chris Poelker details what you need to consider when setting up LAN-less backups. Continue Reading
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Best practices for backup from SAN
Storage expert Marc Staimer offers advice for setting up a SAN to ensure backup performance. Continue Reading
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Using NetBackup to create capacity reports
Business continuance expert Pierre Dorion offers advice on how to create capacity reports with Veritas NetBackup. Continue Reading
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Hot backups on SQL Server
How can we get info to do hot backups on Microsoft SQL Server? We've found many documents and scripts for Oracle, but not for MS SQL Server. Can you suggest how to do this or where to find information or scripts? Continue Reading
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RAID-1 vs. RAID-5
Can I install an operating system (OS) and put data in different partitions of RAID-5, or is RAID-1 (hardware-based RAID) a better solution? Is it ok if we divide a RAID into two partitions? Does RAID-5 take a long time to rebuild? Continue Reading
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Legato vs. Veritas for backup and replication
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What is an archive bit?
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The five most important backup and restore reports
Business continuity expert Pierre Dorion details the five most important backup and restore reports. Continue Reading
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Best practices for backup server configuration
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Which backup drive should we buy: LTO, DDS or DLT?
Doug Owens offers buying advice on tape drives. Continue Reading
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Choosing a tape drive: LTO, DDS or DLT?
Pierre Dorion offers buying advice on tape drives. Continue Reading
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The cost of tape storage
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The real cost of a GB of tape storage
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Is it cost-effective to implement iSCSI on a tape drive?
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RPO, RTO and storage over distance
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When is it time to retire your backup tapes?
Pierre Dorion discusses tape lifespan. Continue Reading
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What are the advantages to disk subsystems?
Disaster recovery expert Pierre Dorion tackles the question: "What are the advantages to disk subsystems?". Continue Reading
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Synchronous replication distance limitations?
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How fast will my backups run?
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How to carry out a backup and recovery audit
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How long should you keep backup tapes? When should they be retired?
How long should you keep backup tapes? When should they be retired? Continue Reading
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Image and snapshot are two different concepts
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Flash memory advantages over rotational data storage
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Hidden NAS security issues
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How does cyclic redundancy check (CRC) work?
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Defining passwords, firewalls and encryption
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Software-based vs. hardware-based replication solutions
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Five golden rules for backup
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Five backup options to consider when implementing a SAN/NAS solution - Part 2
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Synchronous vs. asynchronous
Asynchronous replication does not depend on acknowledging the remote write, but it does (in Veritas' implementation) write to a local log file. Synchronous replication depends on receiving an ACK from the remote system and the remote system also ... Continue Reading
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LTO and DLT advantages
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The best secondary storage options
What are the best secondary storage options available? Continue Reading