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Tape, DLT, DAT etc

Tape Cleaning Device
1. Examples of Data Loss Situations
2. The Tape Recovery Process
3. Recovery Pricing for Tapes
4. Turn-Around Time
5. Tape Formats and Manufacturers
6. Backup Files and System Formats

How to Start a Recovery Case
Critical Response Options

Server and Personal Computer Tape Backup systems using 4mm DAT, Travan, Exabyte 8mm, LTO and the various QIC formats are popular and necessary to safeguard your data.

When these tapes fail the situation is normally catastrophic as they were often the only remaining repository of their data.

Popular backup software such as Legato's Networker, Cheyenne ArcServe, Veritas BackupExec, Microsoft NTBackup, Dantz Retrospect plus the unix tar and cpio utilities (and many more) all use different internal formats which ActionFront programmers understand and extract data from.

ActionFront has established a partnership with Quantum Corporation to provide the world?s only manufacturer-authorized tape data recovery service. We perform recoveries under the ActionFront brand and the Quantum Storage Data Services brand.


1. Examples of Loss Situations - Tape

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Tape data storage can be inaccessible for a number of reasons:

  • Tape drive failure has corrupted tape headers
  • Tape media stretched or snapped
  • Fire & water damage
  • Media surface contamination and damage
  • Accidental reformatting or erasure of tape
  • Accidental overwriting of headers
  • Tape backup software corruption

2. The Tape Recovery Process

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Initial diagnosis determines whether the media is accessible to our lab equipment. If so, the first priority is to create a raw image of the data on ActionFront tape or drive media so that logical analysis can determine the nature of the data loss situation. If the media is inaccessible our lab will test the cartridge components to determine the extent of physical damage.

Recovery of damaged tape media often involves cleaning, splicing & respooling healthy segments of tape into new carriers using specialized tools. Specially configured tape drives using customized hardware and software tools are used to create a raw image from whatever portions of tape that are readable.

Logical recovery uses the raw image by examining the low-level data sectors and determining what fixes to tape format structures are needed to get access to the important data. Sometimes the existing structures are missing or damaged so much that data has to be extracted directly from the raw image.

ActionFront Data Recovery Labs programmers have created a full set of software tools used by our technicians to analyze, fix & recover data from raw tape images. Once a recovery has been successfully performed, file lists are created and data validity is checked.


3. Turn Around Time

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ActionFront has geared its entire service to recover your data as fast as possible. When dealing with such a wide variety of problems, estimating time before the problem is diagnosed is difficult. That is why each recovery case starts with a diagnostic evaluation. The evaluation is started immediately on receipt of the tape media and usually takes 1 to 2 days.

Complete recovery turn-around time including analysis and recovery is usually between 2 and 10 days.

Our hours of operation are 9am to 7pm Local Time Monday to Friday (All Labs), 9am to 5pm Saturday (Toronto Lab only). If you have an emergency situation, we have technical staff on call for weekends and after hours in all locations.

Time estimates are based on procedures and expertise required to recover the data you require. You are not charged by the hour. A firm quote is provided for your approval following the evaluation.


4. Recovery Pricing for Tapes

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ActionFront's Labs have recovered from thousands of these recoveries over the years. As you may expect, no two data recovery scenarios are identical in all respects. Therefore, this uniqueness makes it impossible to give a realistic indication of pricing without knowing all the facts for a particular case. Generally speaking, pricing starts at about $1500.00.

Over the phone, our highly trained Customer Service Consultants will be able to give you some idea of what pricing you would be looking at given your particular configuration and set of circumstances. Sending in your media for a no obligation evaluation will give us all of the information we would require to give you a firm quotation for the recovery of your data.


5. Tape Formats and Manufacturers

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DLT III, DLT IV, DLT-1, VS80, VS160 & Super DLT tapes up to 320Gb capacity.

LTO 1, 2 Ultrium tapes up to 400Gb capacity.

4mm DAT format DDS, DDS-2, DDS-3 & DDS-4 tapes up to 40Gb capacity.

Exabyte 8mm 112m and 160m tapes & Mammoth 1 (Exabyte 8900), Mammoth 2 up to 150Gb capacity.

Seagate AIT & AIT-2, AIT-3 tapes up to 260Gb capacity.

Travan TR-1, TR-3, TR-4 & TR-5 tapes up to 20Gb capacity.

Iomega Ditto 2Gb QIC tapes.

QIC Mini-Cartridges DC2000-DC2120 with 40, 80Mb & 250Mb capacity.


6. Backup File Formats

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  • Microsoft Tape Format (MTF) applications such as NT Backup and Seagate/Veritas BackupExec for Windows NT/2000, Backup Exec for NetWare
  • System Independent Data Format (SIDF) applications such as Novell's Sbackup and Palindrome's Backup Director
  • Practically all legacy DOS and Windows backup formats, including Colorado/Cheyenne Backup for Windows, Arcada/Seagate Backup Exec for Windows 95 & 98
  • Cheyenne/Computer Associates ARCserve for NT & NetWare
  • Previos/Stac Replica Backup for NT, NetWare
  • Legato NetWorker (all platforms)
  • Dantz Retrospect for Macintosh
  • unix tar, cpio, fbackup, fsdump & ufsdump archives
  • Compaq/DEC VMS Backup
  • Intelliguard/Legato Budtools for Unix platforms
  • Sytron / Seagate / Veritas Sytos & Sytos Plus for DOS, NetWare & OS/2


How to Start a Recovery Case

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Please Contact us


Critical Response Services

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If you have a critical situation and need immediate help, Call Us. The Critical Response Service is available 24 hours a day, 7 days a week.

In Lab Service

This service is for mission critical data recovery, where the media can be taken to one of our labs. In the lab, dedicated resources and critical response team members are committed round the clock to your recovery case until its resolution.

Onsite Service Q

This service is available for situations where immediate shipping to one of our labs is not feasible or desirable. A tech or team of techs can be dispatched to stabilize and analyze the circumstances of your failure. Response is as fast as it takes to catch the next plane to your location. This service is not for everybody but if you have a situation that merits this level of service, ActionFront is ready to help.

The Critical Response Team is comprised of our best data recovery technicians. They are called on for every kind of situation imaginable from multiple drive multi-Gigabyte and Terabyte RAID servers , Jukeboxes, custom installations and configurations, SQL Database corruption, to tape failure and custom file extraction from corrupted backup sets. Whatever the situation, these techs are ready to help.



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