How high compress ratio did you get? In most organizations, VMs contain many duplicate copies of data, such as VMs deployed from the same template, VMs with the same OS, or VMs that h… VMware Storage Software Virtualization Loading... Email Address (Optional) Your feedback has been submitted successfully! http://giltronix.com/backup-exec/backup-exec-2010-hardware-compression-not-working.html
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I think you meant 2:1, really -- 1:2 would be inflation, not compression (and older tape drives did in fact sometimes write more data with compression, than without). Thanks to all of you for your replies. They are much appreciated :-) 0 Poblano OP Doug D Oct 6, 2009 at 10:14 UTC No problem, glad I could GET STARTED Join & Write a Comment Already a member? Summary If the SCSI Trace indicates that Backup Exec has turned on the Data Compression Enable bit on the drive, and that is then verified by reading the Data Compression setting
Create/Manage Case QUESTIONS? Sign in Transcript Statistics 5,303 views 0 Like this video? The data is not compressing. https://www.veritas.com/support/en_US/article.TECH189476 Thirteen GB of data compresses to use only ten GB when written.
No Yes Did this article save you the trouble of contacting technical support? Getting a SCSI Trace: The first step is to get Backup Exec ready to perform a backup operation. Create a small backup operation (this keeps down the size of the tracer Thank you. 0 Kudos Reply In addition to above, please VJware Level 6 Employee Accredited Certified 11-27-2012 10:55 PM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Delete old temporary files, and exclude directories containing only temporary files from your full backups. 1) If this is really a performance issue caused by not enough data being fed to
What I found was that doing software compression and software encryption first, then doing a pure backup from array to tape worked best. https://community.spiceworks.com/topic/78006-symantec-backup-exec-12-5-not-getting-compression Agsin we are working on a solution to this. Also, it only started happening about 6 weeks ago. Join Now I'm currently waiting on Symantec for assistance but was wondering if anyone out in spiceland could help me quicker.
there is no easy answer regarding speed. Check This Out When the data isn't coming in at 140MB/sec, that tape drive can slow itself down to about 50MB/sec through adaptive write speed in an attempt to prevent the buffer from emptying. The first step is to acquire the necessary licen… Storage Software Windows Server 2008 VMware Disaster Recovery Configuring Windows Server 2008 Volume Shadow Copies Video by: Rodney This tutorial will walk So if it is indeed an LTO4 we should be able to use the higher capacity LTO4 tapes.
surya prakash 31,885 views 1:28:03 How to use the backup and archive feature in Backup Exec 2012 - Duration: 3:16. VOX : Backup and Recovery : Backup Exec : Backup Exec, tape backup file, compression not wor... I was thinking that if your newly create test job does compress, but your old migrated jobs do not, then compression is obviously enabled for the drive, but perhaps during themigration
I don't remember an actual figure for that in BE2012. Is there any settings related to this function that I need to change? Ken_Putnam Level 6 Trusted Advisor 04-23-2012 10:55 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate Content That would be the Since the backup job will create a single large file on the physical disk, you can stream data off of it to tape much faster than you could with the original
Has a movie ever referred to a later movie? I was not having an issue on Backup Exec 2010. I normally see around 3x compression with LTO3, on average. Have not used LTO4, but assume it would probably be similar. Big fan of Overland libraries, have not used IBM libraries, http://giltronix.com/backup-exec/backup-exec-11d-compression-not-working.html Create/Manage Case QUESTIONS?
But as we start Backup Exec 2010 the value by device manager go's from enabled to disabled and the job Wil stick at 80 GB Of data. We have Backup Exec 2010 and a HPDAT160 USB tape drive. Robert McMillen 3,195 views 3:16 Episode 80 - Symantec Backup Exec 2012 Storage and Backup Configuration - Duration: 6:38. Your first 5 minutes are always free.
Not sure if that's the same issue Ken48 is running into or not. Interpreting the Log: The first step is to find the relevant section of the log. To do this, scroll down using the scroll bar of the top section of the log You may also refer to the English Version of this knowledge base article for up-to-date information. US Election results 2016: What went wrong with prediction models?
Nexstara 99,171 views 9:01 Symantec Backup Exec 2014 Webinar - Duration: 55:09. We also run 12.5 and backup a few servers to LT04 tapes and some to disk. Thanks for the suggestions. I'll update once I have more info. 0 Poblano OP Terry2622 Oct 1, 2009 at 10:55 UTC Use hardware compression, if it's available. Most The software also includes a "drive performance test" which allows for setting hardware compression to "on" - you could evaluate the result to see if the test run actually stored compressed
The USB drive must be s… Storage Software Windows Server 2008 Disaster Recovery Advertise Here 778 members asked questions and received personalized solutions in the past 7 days. but the tape drive has to handle data coming in at 200MB/second or faster. Sign in to add this video to a playlist. Sign in 1 2 Don't like this video?
Regards! 0 Kudos Reply Yes.. I am not sure. share|improve this answer answered Jan 30 '12 at 18:25 Dwight Brown 862 add a comment| up vote 2 down vote The Symantec support is correct - the compression is not a Covered by US Patent.