Tandberg Data Cartridge SLR5, 4GB
Contents
1. Why take five Backup strategies and tape rotation Computer data is mission critical and no company should risk their business because they have not taken the necessary precautions to protect their vital data A proper backup strategy is the most effec tive insurance against data loss due to the risk of fire theft disk crash natural disaster or human error These events can all cause data loss and result in time consuming data recovery operations Full and differential backup Can be combined in several ways A full backup should always be kept in a safe off site location In a full backup all data is copied on the tape In a differential backup all data that is changed since the last full backup is copied on the tape Backup strategies for the small office Below are various suggested tape rotation schemes for small office backup These schemes are showing backup strategies which are acceptable as an absolute minimum Simple 5 day rotation 5 cartridges e Five cartridges each assigned for different days of the week e Full backup each night Always store the last completed backup off site overnight Monday Tuesday Wednesday Thursday Friday SLR Scalable Linear Recording is based on linear technology and ves Large increases in recording speed tiple write and read channels in parall ing For surpreme data integrity SLR technology uses an additional read channel to follow a prerecorded servo track on the ta2. patibility and IE Scalability Compatibility N a 380 KB s 3 MB s 4 MB s 5 MB s 6 MB s 16 MB s 32 MB s 760 KB s 6 MB s 8 MB s 10 MB s 12 MB s 32 MB s 64 MB s SLR7 SLR 75 SLR 100 SLR 140 SLR 200 SLR 400 Available products Future products All with 2 1 data compression
3. pe This servo positioning of the recording head ensures data integrity Backward compatibility is one of the special benefits of the SLR technology ensuring that at least two developed standards can be read without problem Backup strategies and tape rotation Three golden rules for backup Tape rotation don t use the same cartridge two days in a row e Offsite copy store a complete backup offsite e Every day a backup s validity has short duration 5 day 3 week rotation 5 cartridges e Three cartridges for full weekly backup Each cartridge used every 3 week Cartr 1 4 5 e Two cartridges assigned for daily differential backup Week 1 Monday Tuestlay Thurstiay ja Week 2 Monday Tuesday Maian Thursday Q7 Week 3 Monday Tuesttay Wednesday Thursday Friday Differential Differential Differential Differential e Few moving i in vane anc Rigid Aluminum base plate p remains Some protected inside the cartridge 5 day 4 week rotation 8 Cartridges e Four cartridges are assigned for full weekly backups Cartr 1 6 7 8 e Four cartridges are assigned for daily differential backups Cartr 2 5 Week 2 Monday Tuesday Wednesday Week 3 Monday Tuesday Wednesday Thursday Friday Monday Tuesday Wednesday Thursday Friday Differential Differential Differential Differential ive family offers the industry i ons Designed for the needs of grov i ed scalability backward com
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