Linear tape open lto is a magnetic tape data storage technology originally developed in the late 1990s as an open standards alternative to the proprietary magnetic tape formats that were available at the time. As soon as the key has been initialized, the hardware should in principle be completely transparent to the os and thus work with. Software encryption utilizes server processor power, effectively reducing server performance. The appliance encrypts the data before passing the data to the tape device. Encryption can be enabled on the encryptioncapable tape drives through the tape library specialist web interface. Tapebased encryption uses hardware on the drive itself. The data are streamed to the drive, are compressed and encrypted as the last step. To perform hardware encryption, the tape drives must be encryptionenabled. An lto3 or later drive will not erase or overwrite data on a worm cartridge, but will read. I expect the lto aes encryption to be faster than software solutions. If your tapes were initially written to prior to using the encryption capability, the tapes can never be hardware encrypted. Tapes erased by this equipment can be recorded again.
Seagate was the first disk drive manufacturers to enter the encrypting hard drive marketplace. Feb, 2017 there seems to be confusion and differences of opinion in wd sites as to 1 which wd disks have hardware encryption and 2 whether that encryption can be disabled from ever running. Software vs hardware encryption, whats better and why. The lto4 format has the capability to encryptdecrypt data within the tape drive hardware. Opal fees only applicable to hardware based full disk encryption value of enduser downtime associated with the initial encryption of the hard disk value of excess enduser time operating a full disk encrypted computer the next section shows each cost component, comparing software and hardware based fde cost considerations. Each individual tape drive vendor selects its own specific gcm implementation. If possible, i would prefer the hardware based encryption, as there is no performance impact. Software encryption is transparent to the tape drivelibrary as the data is encrypted prior to reaching the hardware. Either forego tape encryption until their backup software products are updated. Hardware encryption means the encryption is done by the drive. The original form of a message is known as plaintext.
For each data protection operation, the software checks the drive to see if encryption is supported. People often ask me, when it comes to storage or dataatrest encryption, whats better, file system encryption fse which is done in software by the storage controller, or full disk encryption fde which is done in hardware via specialized self encrypting drives seds. Four ways to encrypt i5os backups, part 2 it jungle. Lto4 1840, storageworks lto4 ultrium 1840, storageworks lto3 ultrium 960. Data encryption standard, des, hardware implementation, sbox 1. The hardware based encryption does not require a license in data protector. Learn more about xbee, rs232, zigbee, cryptography data acquisition toolbox, control system toolbox. I have a colleague who does not trust that any form of compression will not adversely affect data once decompressed.
Linear tapeopen lto is a magnetic tape data storage technology originally developed in. Generally, this method uses a password to hash the data as it is sent to the drive. The datacryptor 5000 series is a family of highspeed data in motion security platforms that deliver high performance encryption at near zero latency. However, the entrance of encrypted storage devices is expected to give a hard hit to the normal storage market. Hardware encryption for tape backup dell community. This week, ill turn my attention to hardwarebased encryption techniques. Hardware implementation of the data encryption standard des. When the data was written to tape, it was hardware encrypted with a 256 bit encryption key housed on the server. Hardware encryption is available for i5os backups by using ultrium lto4 fibre. For the hardware based product tests, we chose seagate technologies selfencrypting drives. Hardware encryption for lto3 tape drives was not available at the time the drives were released so generally lto3 tapes are not supported for the same hardware encryption. Funny thing is since the lto4 does the encryption in hardware the commvault software shouldnt even care.
To use this function, customers need the brms advanced feature 57xxbr1 option 2 and i5os encrypted backup enablement 57xxss1 option 44. Lto technology allows to store large amounts of data on magnetic tapes with a very low cost per gb. Is hardware based disk encryption more secure that software based. Typically, hardware encryption affects less than onepercent of tape drive performance. Lto4 drives can read lto2 and lto3 formatted tapes, but they can only. Here,the software sends data unencrypted to the tape drive. To perform hardware encryption, the tape drives must be encryption enabled.
Lto4 encrypting tape drives and key managment dell community. A quick benchmark of aespipe on i7 cpu gives an impression on. Nov 22, 2019 having an encrypted flash drive is ideal for most people because there is no need to install or experiment with ones computers. Software encryption also reduces backup performance and media capacity, because software encrypted data cannot be fully compressed by the tape drive. Hardware encryption through an inline appliance solution.
Ltoencrypting tape drives use gcm for encryptionauthentication, which achieves high performance. Does anyone have any idea if emc will ever offer any kind of encryption key management within the networker product. Ill look at what options are available when you purchase specific hardware for your. Hardware encryption must be established for each data path and is only available for data paths that direct data to tape libraries. May 20, 2009 in the last admin alert, i started discussing four techniques for encrypting i5os backups for greater protection and to satisfy auditors and government agencies. But if consistent high throughput, low latency and security are key issues, then dedicated, optimised hardwarebased encryption is superior to softwarebased encryption. Software encryption is a policydriven, manageable solution that everyone has to get behind.
Need help to encrypt and decrypt the rs232 serial port data. It also ensures that your encrypted flash drive is accessible on any computer and not only on the main computer. The reduced prices of encrypted chipkey have boosted the growth of the hardware encryption market in all regions. The tape encryption overview describes tape encryption in the ts3500 tape library the ibm ts1120 3592 model e05 and later tape drives can encrypt data as it is written to any size ibm enterprise tape cartridge 3592, including worm cartridges. Data compression appliancesoftware encrypted data cannot be compressed by drive. Tape encryption purchase considerations computer weekly. Librarymanaged encryption for tape 5 when using an inline hardware appliance, the data is sent from the media server to the tape device through the appliance. The lto4 ultrium tape drive allows data to be encrypted following compression maintaining optimum storage efficiency. Hardware encryption is safer than software encryption because the encryption process is separate from the rest of the machine.
Ftss, customer documentation, and software support for encryption software. Which wd disks have hardware encryption and can that be. Here is our quick roundup of the top 10 encrypted usb flash drives recommended by top media websites. The use of a dedicated processor also relieves the burden on the rest of your device, making the encryption and decryption process much faster. The lto 4 ultrium backup tape does not require the software based encryption and its inherent performance overheads. How to use aes hardware encryption of lto tape drives on linux. We then multiply this probability by the calculated value of tech time in minutes to determine cost. We are using symantec backup exec 2014 on windows server standard 2008 32bit with lto 3 400800 gb backup tapes with a dell powervault lto4eh1 tape drive we looked up the specs on this drive and it supports compression. Is the whole cartridge encrypted, or are only certain recordsfiles encrypted. Hardware encrypted usb sticks are useful in situations where you need to occasional encryption without having to rely on some sort of system.
Tape encryption purchase considerations storage administrators who use tapebased wont slow up their backups and will have peace of mind knowing that the tape content is secure. Creates an encrypted drive vault for all data 448 bit strong encryption easy to use, license. As can be seen, the full disk encryption method software vs. Refer to setting up and using encryption for more information. Information services and technology 123 fletcher argue university of manitoba, winnipeg, mb r3t 2n2 canada office. In a past, lto backup was a mainstay for many big enterprise and itrelated areas. Oct 19, 2015 bacula is not involved in hardware tape drive encryption. On software encryption vs hardware encryption, read this comparison on kingstons website, and your choice may be easy, but this is marketing language. How to use aes hardware encryption of lto tape drives on. The open nature of lto technology enables compatibility between different vendors offerings and multiple sources of product and media. The lto program created a competitive environment with multiple vendors offering.
Lto ultrium generation 4 and 5 drives have optional indrive encryption capability. Jun 23, 2015 hardwarebased encryption offers stronger resilience against some common, notsosophisticated attacks. Aug 06, 2014 im currently waiting on symantec for assistance but was wondering if anyone out in spiceland could help me quicker. I am interested to hear any stories from users of lto 5,6 or 7 tape systems that turn off hardware compression for reasons of data integrity. Yes readwrite compatible with lto4 worm and lto3 worm. Through compression, the tape drive hardwarebased data encryption also. Kanguru defender secure hardware encrypted usb drives are the best when it comes to securing your data. Dec 20, 2007 what is hardwarebased disk encryption. Software encryption means the backup software encrypts the data before it writes to the tape. Linear tapeopen technology lto is a tapebased data storage solution designed in an open format technology that allows manufacturing by any vendor that wishes to license the technology. Software full drive encryption page 3 seagate selfencrypting drives with wave systems embassy trusted drive manager. The benefits of hardware encryption for secure usb drives. The advent of encrypted storage devices is likely to affect the unencrypted storage devices market.
Using advanced connectivity features, the datacryptor 5000 series secures data through ethernet and ipv4ipv6 wide area networks. Software encryption through ibms backup recovery and media. The lto tapes are now widely used especially in big data environments, where databases and virtualization require high capacity storage media, reliability and performances. Obviously, this depends on the individual application. Hardware designed for a particular purpose can often achieve better performance than disk encryption software, and disk encryption hardware can be made more transparent to software than encryption done in software. In general, malicious hackers wont be able to apply bruteforce attacks to a hardwareencrypted system as the crypto module will shut down the system and possibly compromise data after a certain number of passwordcracking attempts. Hewlett packard enterprise, ibm, and quantum control the lto consortium, which directs development and manages licensing and certification of media and mechanism manufacturers. The encryption dialog is an exchange of key information between the drive and the encryption key manager, in your case stenc. When using an inline hardware appliance, the data is sent from the media server to the tape device through the appliance.
The veeam encryption mechanism can only be used if hardware encryption is disabled at the tape device level or not supported. Hardware encryption market size, share and industry forecast. Introduction encryption is a process of encoding a message so that the meaning of the message is not obvious. Data lto3, lto4 or lto5 sas tape drive within a server. Nowadays, however, much more advanced and affordable solutions are common, and handy backup advances these progressive methods instead of lto backup.
In backup exec, i was able to create a policy to send a monthly full backup to disk, followed immediately by a job sending that full backup to tape. Im quite sure that open source software encryption like gpg is more secure. I need to read imation lto3 tapes on a pc, because we have to read too many of them and our server is busy reading lt03 tapes. Software encryption can be cpuintensive and can cause performance degradation on the host server depending on the type and size of the data to be encrypted. Once the data is encrypted, you cannot decrypt the data without the passphrase and there is no way to retrieve a lost passphrase. Understanding the benefits of hardware encryption will help you make an informed decision about usb data security for your organization. Encryption via inline appliance is transparent to the tape backup software and the tape device. This confusion extends to even different models within the same wd elements and my book lines.
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