Drive Index 0 Data Error Cyclic Redundancy Check. 23
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Data Error Cyclic Redundancy Check Raw Drive
mean VOX : Backup and Recovery : NetBackup : Cyclic redundancy error in log means media went ba... VOX : Backup and Recovery : NetBackup : Cyclic redundancy error in log means media
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went ba... Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark Subscribe Printer Friendly Page Solved! Go to Solution Cyclic redundancy error in log means media went bad? Soumyaa Level 4 01-01-2012 09:59 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate Content Cyclic redundancy data error cyclic redundancy check hard drive not initialized error in log means media went bad? Generally in what circustances we decide media went bad. Solved! Go to Solution. Labels: 7.1.x and Earlier Backup and Recovery NetBackup 1 Kudo Reply 1 Solution Accepted Solutions Accepted Solution! From mph999 Level 6 Employee Accredited 01-02-2012 11:27 PM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate Content From TNhttp://www.symantec.com/docs/TECH169477, CRC issues are specifically mentioned under 'Read/ Write errors' section Problem Troubleshooting Drive/ Library Issues in NetBackup This Document provides you with information on various tape drive issues that maybe encountered whilst using NetBackup and how to deal with them. Solution It is important to understand that NBU does not write data to a drive, for example when using Solaris, NetBackup relies on the operating system to write the data to the tape using the st tape driver. The only 'slight' involvement with NetBackup, is that it specifies the blocksize to use, but this is still passed to the operating system. Other operating systems work in a similar manner. The scsi pass-through driver (sg driver on solaris) - allows scsi commands to be passe
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Data Error Cyclic Redundancy Check Hard Drive Windows 7
Process ABOUT About Corporate Profile Corporate Leadership Newsroom Research Exchange data error cyclic redundancy check dvd Investor Relations Careers Legal Contact Us English 中文(简体) English Français Deutsch Italiano 日本語 한국어 Português Español data error cyclic redundancy check utorrent USA Site: Veritas Veritas PartnerNet Status 84: "Media write error" Article:000028185 Publish: Article URL:http://www.veritas.com/docs/000028185 Support / Article Sign In Remember me Forgot Password? Don't have a https://vox.veritas.com/t5/NetBackup/Cyclic-redundancy-error-in-log-means-media-went-bad/td-p/447453 Veritas Account? Create a Veritas Account now! Welcome First Last Your Profile Logout Sign in to Subscribe Please sign in to set up your subscription. Close Sign In Print Article Products Related Articles Article Languages Subscribe to this Article Manage your Subscriptions Problem Status 84: "Media write error" Error Message write_data: cannot https://www.veritas.com/support/en_US/article.TECH35336 write image to media id XXXXXX, drive index #, Data error (cyclic redundancy check). Solution Overview: The cyclic redundancy check (CRC) error is a generic message that can be caused by numerous hardware related factors. Troubleshooting:Please follow all steps within the VERITAS NetBackup (tm) Troubleshooting Guide or the NetBackup Troubleshooter within the Activity Monitor for this status code before continuing.Please confirm hardware and software compatibility before continuing. A list of compatible hardware and software may be obtained within the VERITAS NetBackup Release Notes or on the VERITAS Support Web site.If the above does not resolve the issue, please continue. 1. Status code 84 caused during a backup Please look for the following log messages:Master Log Files:Media Server Log Files:bptm:write_data: cannot write image to media id XXXXXX, drive index #, Data error (cyclic redundancy check).System Event Viewer: The device, \Device\Tape#, has a bad block. Client Log Files:Resolution:Common reasons for a CRC error with potential ways t
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make sure that your data has been read properly. If a Cyclic Redundancy Check fails, it could mean several things. by Leo A. Notenboom, © 2006 When I burn a CD or DVD, I frequently get a "Cyclic Redundancy Check" error when I go to read it. The media has no scratches or anything obviously wrong, so why is this happening? And more importantly, what do I do? • A "Cyclic Redundancy Check", or more commonly just "CRC", is an error detection mechanism that makes sure that the data you're trying to read from media, such as hard disks, CDs and DVDs, is actually correct. By "correct", we mean that the data you read is in fact the data that was written. When a CRC check fails, there are several possibilities and places to look. • A CRC works by taking a block of the data that is about to be written to the media, calculating a checksum (basically some math involving all the data, that results in a number), and writing that number, along with the original data, to the media. When the data is later read, that same calculation happens, and if a different number results, then an error is declared - the data read was not the same as the data written. CRC checks happen each time you read the media. Many CD and DVD burning programs will include a read pass immediately after writing, to ensure that the data was written properly. There are several ways that a checksum error could happen: A Bad Write: if the device that wrote the media had a problem while writing, it could have written the wrong data. Dirt in the Writer: dust or other obstructions in a CD or DVD writer can interfere with the laser and cause the bad data to be written. Bad Media: poor quality media, particularly CDs and DVDs, can sometimes "not take" the data that's written to them. Perhaps there's a flaw in the physical media. These types of flaws may not be visible to the naked eye - even a one-bit error can cause a CRC calculation to fail. Bad Write Alignment: it's fairly obvious that on CDs and DVDs data is written in a circle on the media. Howev