Worm and Encryption Technology in Lto4 Ultrium Tape Format

 centre. It is cost saving tape version because of its
The LTO-4 backup data tape format gives topreading & writing compatibility with the third
performance with data transfer rate up to 120generation LTO3 and reading compatibility with 2nd
Megabytes/second. LTO-4 tape format also has thegeneration LTO 2 tape format.
latest “write once read many” WORMBecause of the 1.6 Terabyte (compressed capacity),
technology along with the most powerful andthe LTO4 can effectively backup the 1 Terabyte
advanced feature of “data encryption”. Thedrives. LTO4 tape drive has the ability to backup
tape drives of LTO-4 have the advanced AES-256data at 864 GB/hr. Data center can restore &
“data encryption” technology. The fourthbackup multiple Terabytes of data/hr with the help
generation backup tape format is backwardof Multi drive library. Data center can deliver the
compatible with the third and second generation ofresults having (MTBF) Mean time between failures of
LTO tape format. The LTO technology provides cost250,000 hours at hundred percent duty cycle by
effective and efficient data storage and archivingusing fiber channel, SAS or ultra SCSI.
solutions for data center and mid range enterprises.Inside the LTO4 tape cartridge is a “memory
It is the need and increasing demand of the datachip”. LTO-4 format has other additional features
centers that there should be data storage mediumof “security information”, “system
with high capacity and fast data transfer rate. Thehealth” and redundant “file log” that
LTO4 tape format meets the above statedincreases the overall performance. Like LTO3, LTO-4
requirements and secures the investment done byhas the WORM technology and has the additional
the enterprises.data encryption technology of AES-256 bit. LTO-4
The first generation LTO1 was introduced in the yeartape format has the encryption feature that helps
2000 that had 100GB (native capacity). After twothe data center to secure the valuable information
years, the next generation of LTO tape formatfrom data loss or theft. Data encryption feature of
LTO-2 was launched with double the capacity ofLTO-4 saves the time and additional cost on the
LTO-1 tape format. LTO-3 tape format came intoencryption appliances that increase the management
the market in 2004 having 400 GB native and 800GBcomplexity.
compressed storage capacity. Therefore, single driveAccording to the roadmap of the fifth version of
of LTO3 format has capacity to backup at 576 GBLTO tape format “LTO 5” will be available by
hour.the year 2009 which will have 3.2 TB (compressed
The LTO4 data tape format came into the market incapacity) with data transfer speed of 360 MB
early 2007 and has the latest innovative features andsecond. Research work is also being done on the
technologies to improve the performance of overallsixth generation LTO6 tape format. The LTO-6 tape
data backup operations. The LTO-4 tape format hasformat is expected to offer 6.4 TB (compressed
throughput of 120 MB/second, therefore, it has thecapacity) and 540 MB/second of data transfer speed.
ability to fulfill the requirements of the modern data