The only option that you can select in a job for compression is either you can use software compression backup exec will compress the data and then will send it to the drive or hardware compression the tape drive will compress the data. Backup exec compression types deciphering lifes source code. Jan 09, 2009 hardware compression option 1 backs up the data uncompressed then runs an nt compression program on the data whilst on the backup media. I am running be 2014 and the data is a mix of everything from file servers to sql, ad and exchange database. Backup exec gives you fast, simple, complete, costeffective protection and recovery for your data, wherever it lives. This is the tradeoff for putting more data onto the tape. Encrypting the tape using software makes the compression ratio 1. Veritas backup exec is a data protection software product designed for customers who have mixed physical and virtual environments, and who are moving to public cloud services. Symantec backup exec, veritas backup exec and nt backup utility. Sold by veritas technologies llc, backup exec is compatible with most storage devices, including disk, tape and cloud.
A compression type is rarely changed to none while. Also it is transparent to the operating system and data is compressed on the fly. Hardware if available, otherwise none is logged in job. Lt05 we have the backups running but the compression ratio is rubbish 1. However if they are the same type tape im at a loss to even understand what is happening here. Use software compression with encryption if the data must be compressed. When you use compression, the backup will definitely be slower. Target can be any disk or tape target that backup exec can write to compression. Under backup and restore, compress backup shows the current setting of the backup compression default option. Software compression data recovery general discussion.
Run backup exec services in fips mode and use 256bit aes encryption to be fipscompliant. Hardware compression option 2 also backs up the data uncompressed but offers 2 options for compression depending on the machine. The efficiency of hw versus sw compression varies depending on the tape drive used. How much will compression slow down the backup will depend on a lot of factors, like your hardware, etc. Power vault 110t sdlt 320 w hardware compression enabled. Problem with compression rate on backup exec techrepublic. Generate a bediag report in backup exec then copy and paste the device discovery section into a post so i can take a look. Backup exec agents or media server deduplication also called target deduplication, which occurs inline when a backup exec media server writes data to disk. Before the tape was stuck with the solid green lcd.
I read in the manual of the tape drive that by default hardware compression is disabled but i cannot seem to find away to enable it. There are many times when end users are concerned that even though backup exec has been configured to use compression mode, that the drive is for some reason still not compressing the data. The way backup exec reports it is that it shows the size of the source data being backed up on the source, rather than the size of it on the backup media. 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. This can be done by editing the backup job properties, clicking on general under settings, and then selecting a different type of compression under the compression type drop down or globally from tools options under job defaults backup. Keep in mind that software compression is the only compression method available for backuptodisk b2d jobs due to the obvious lack of media hardware. Lto tapes with symantec backup exec enabling compression. Veritas backup exec is a data protection software product that supports virtual, physical and cloud platforms. I am using symantec backup exec 2010 in conjunction with an hp storagewors 2024 tape library system. Compression with veritas backup exec solutions experts exchange. Backing up data using backup exec, b2d and tape solutions. Small businesses may rely on backup solutions that come with the server operating system, or builtin server backup.
Backup exec typically uses the hardware compression mode on a tape drive to maximize the amount of data that can be placed on a tape. The hardware compression is much faster than a software compression because as opposed to the software compression it does not use a computer processor which draws from resources. Backup exec offers the choice of either hardware or software compression. Youll specify compression when you perform a backup. Author and talk show host robert mcmillen explains how to turn on and configure compression in backup exec 2012.
Compression type on storage option in a backup job setting could be updated to none for a specific disk storage or hardware if available, otherwise none for a specific robotic library when keeping the setting open for a while. How to turn on and configure compression in backup exec. The compression depends on the type of data thats being backed up and not on the tape itself. The backups will run faster than when you are using the software compression. Software compression is something which can be configured in the backup exec. When it comes to using aws or azure cloud storage, backup exec provides native connections that are just as easy to set up and manage as local storage. Software compression may be a viable alternative if poor results are achieved with the use of hardware compression. Backup exec does not support capacity and compression on some models e. The software easily identifies corrupt bkf files which are created by any of these.
Solution this message can be ignored with no harm because disk cartridge has no hardware compression function. Software compression can however increase endtoend effective backup throughput by reducing the size of the backup data before it is. This type solely uses the nt hardware compression technology. Dear all, im using lto6 tape for my with hp 1x8 g2 autoldr, from the gui, it showed the compression is no drive information lun vendor id hp product id ultrium 6scsi firmware revision 35pw world wide id port a 50014380271c1cd6 world wide id port b 50014380271c1cd7 physical drive slot number 1 element address 1 autoloader lun hosted by drive yes data compression no interface type sas. Easeus todo backup also allows changing the file compression of a backup, limiting the backup speed and priority, wiping a disk, backing up an android device, preserving security settings during a backup, splitting an archive into a smaller section, password protecting a backup, and scheduling a backup on a onetime, daily, weekly, or monthly. The free space must be at least as large as the largest compressed file. Compression conserves bandwidth by reducing the size of your backups before theyre sent to the cloud. The backup exec agent for vmware and hyperv provides comprehensive protection of vmware and hyperv virtual machines through integration with microsoft volume shadow copy service vss and vmware vstorage apis for data protection vadp. That depends the type of data which you are writing onto tape. Compression attempts to reduce the size of a file by removing redundant data within the file. The use of hardware or software compression can be configured through the advancedtab within the backup job properties dialog box figure 3. I had a number of veritas related errors in the event log. A few words about hardware compression in a backup with tape drives.
Hp 6250 lto6 tape drive not using hardware compression. Let me start off by saying i am a noob with this software my guess there is a simple answer for this qustion but i can not find it anywhere we are using backup exec 12. The backup exec includes two data compression types. If the compress backup box is blank, new backups are uncompressed by default. This can be done by editing the backup job properties, clicking on general under settings, and then selecting a different type of compression under the compression type drop down or globally from tools options under job defaults backup compression type. Backup exec 20 agents and options articles and howtos. Compression option 1 backs up the data uncompressed then runs an nt compression program on the data whilst on the backup media. Supports encryption in software yes encryption type. The settings are set in the job to use hardware compression as it performs better than software.
If hardware compression is not performing as expected, then switch to software compression, or vice versa this can be done by editing the backup job properties, clicking on general under settings, and then selecting a different type of compression under the compression type drop down. Compression type on storage option in a backup job setting could be updated to none for a specific disk storage or hardware if available, otherwise none for a. Symantec backup exec, veritas backup exec and ntbackup utility. Software compression data recovery general discussion tek. Usually compression ratio for magnetic tape drives is 2. Im expecting the backup to take longer but i wont know how much longer until i run it, which i intend to do a trial run on a friday night giving it. Under job monitor the job i am running properties under the general tab i have compression type set to hardware if available, otherwise software ever time run a backup the data does not get compressed how do i set it so the tapes i have i can gain the 400gb. Sysinfotools backup exec bkf repair pro free download and. I attempted one last night using software compression and encryption key and and backup over ran so had to cancel. Lto3 under the media tab however, the tape is shown as having 206gb of data.
Software compression and software encryption are performed by the backup clients and thus do not impact performance of the powervault dl2000 powered by symantec media server. When software compression is used compress yes, backup not on disk, brbackup uses the compression rates to determine the space required in the compression directory. Typically lto and lto2 drives have more efficient compression algorithms than dds drives. Hi, im trying to figure out the best method when compressing data using backup exec. How to perform a test to verify if compression is working. You cannot specify the type of software compression in backup exec. Modern softwaredefined data center backup solutions provide replication and backup of data in a vendor and hardware agnostic fashion. After a backup job completes, under job monitor the job is shown as having 543gb of data on the tape. To enable fips compliance, select the use fips 1402 compliant software encryption option in the network and security settings. This setting determines the serverlevel default for compressing backups, as follows. Hardware compression actually sucks compared to any big vocabulary big working window software compression. Our issue is we have run out of room at the 400gb setting and need to see if we can use the 2. Sysinfotools backup exec bkf repair pro free download. Compression, deduplication and encryption are common data protection technologies for managing and optimizing disk storage, and its important to understand the role each one plays in the data center.
I currently backup my servers to disk using remote agents and then i run a duplicate job to tape lto5. It can successfully decompress the bkf files and restore maximum possible data from them without causing any alteration. Download bkf repair software smart bkf file recovery. Yes, we give you the ability to compress before encrypting. To help simplify deployment and scalability, the backup exec deduplication option does not use capacitybased licensing.
Bonjour, i have backup exec 2012, i have defined backup to use software compression. Tape backup compression post by isiman fri mar 25, 2011 10. My last backup seems to have well backup all the data with success but i have a compression rate to 1. If the compress backup box is checked, new backups are compressed by. Compression with veritas backup exec solutions experts. Try running a backup to disk job as a test and that should give you your compression ratio easily enough. May 09, 2017 i had a quick look online and i cannot see mention of the inbuilt backup exec software compression causing compatibility issues at the point of restore. Compresstion type of disk cartridge is displayed as none on backup exec console but the actual value is hardware if available, otherwise none. For some reason when backup exec tries to run a tape job the data is not being compressed. Oct 24, 2018 compression, deduplication and encryption are common data protection technologies for managing and optimizing disk storage, and its important to understand the role each one plays in the data center. The compression ratio depends on the type of data and not on the tape itself. V26938 improving slow backups and poor performance in.
Solved backup exec 2016 compression to tape spiceworks. On one particular server server we are using backup exec 2010 r3 and that supports software encryption but im yet to have a successful backup performed. Dear all, im using lto6 tape for my with hp 1x8 g2 autoldr, from the gui, it showed the compression is no drive information lun vendor id hp product id ultrium 6scsi firmware revision 35pw world wide id port a 50014380271c1cd6 world wide id port b 50014380271c1cd7 physical drive slot number 1 element address 1 autoloader lun hosted by drive yes data compression no interface type. Compression type on storage option in a backup job setting.
The calculated compression rates are stored in a detail log and in the database table sdbad. Compression type on storage option in a backup job setting could be updated involuntarily when keeping the setting open for a while. The compression type is available under tools options backup compression type in the backup exec. You can optionally use compression when backing up oracle databases to oracle database backup cloud service. View or configure the backup compression default server. Im ok with that, but the compression ratio is showan as 1.
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