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Questions tagged [tape]

Tapes are used by a tape backup machine.

211 questions
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Bacula: best practise for labeling and initial start

I'm currently starting with bacula for backup and have a few questions for best practices. Current situation: I want to back up a slow changing max. 12TB (currently 8TB) dataset to a external LTO4 drive. Due to the small incremental changes I…
Henrik
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How to recover Symantec Backup Exec backup via Linux?

I have a tape backup from a defunct server that was created via Symantec Backup Exec version 10.1.5629 on Windows. Is it possible to extract the backup from this using some standard or open source tools on Linux rather than resorting to a copy of…
ylluminate
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Recommendations for backup (tape vs. HDD)

We're a relatively small organization (25 users, 9 servers, everything Windows-based) and we've been using tape backup since the beginning; currently we're using Backup Exec to perform the backup. We've been looking into getting larger devices to…
Michael Todd
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Restore Legacy Tapes with Veeam

We were previously using VRanger to back up our VMs and then using HP data protector to copy the backups to tape. We have subsequently moved to Veeam, and have decommissioned both VRanger and Data Protector. We now have a requirement to restore an…
Matt
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How can I get ntbackup to show items in the Backup\LTO Ultrium media pool so they can be restored

I am attempting to restore data from an LTO Ultrium 4 backup tape. The backup was originally done via NTBackup. When I attempt to restore the data that was backed up, I am unable to view or select the appropriate backup. How can I make the backup…
Digital ink
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Is it useful check data integrity in one DAT tape?

I backup my data every day on tape using one drive DAT HP Storageworks DAT 160. I use one tape for every day and I turn them weekly. Every monday I check one tape randomly recover some files saved on it. I know that when data is saved on tape, the…
maxim
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LTO 2 tape performance in LTO 3 drive

I have a pile of LTO 2 tapes, and both an LTO 2 drive (HP Ultrium 460e), and an autoloader with an LTO 3 drive in (Tandberg T24 autoloader, with a HP drive). Performance of the LTO 2 tapes in the LTO 2 drive is adequate and consistent. HP L&TT tells…
hmallett
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Can't read an LTO-3 tape on a different LTO-3 drive

I'm trying to restore data from LTO-3 tapes written by a Tandberg TS800 LTO-3 drive, but since the original drive is now underwater (literally!) I'm trying to read them on an IBM LTO-3 drive. But they won't read. If I eject and reinsert the tape…
John Rennie
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How to list the files on a tape with tar?

On a HP-UX OS I have a backup on a magnetic tape created from the SAM. Everywhere I read the instructions to list-verify the contents of the tape is to use the TAR program: #tar tvf /dev/rmt/[tapefile] I've created a new directory /tape with 777…
Spirit
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Slow LTO4 tape drive

EDIT UPDATE: for others seeing this thread. For me the issue was the scsi card itself for some reason. I replaced the Adaptec with an LSI and it works great now Regardless of if I'm backing up the local server or a "disk-disk-tape" the speed…
TheCleaner
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LTO-3 restore from backup when backup software is unknown

I was recently asked to restore the backups of some HP Ultrium LTO-3 tapes to a portable HDD, the company that owned the tapes liquidized and the old CEO wanted the backups in a form they could read on their computer. All the servers and associated…
Silverfire
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Disk-to-tape using Networker and Data Domain

My previous question covered disk-to-disk backup to reduce our backup window, and now I also need to take the disk backup and move it to tape. Is this something I can do with Networker and deduplicated backup? I know that an ideal solution would be…
CC.
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How to write to a tape using hardware compression on Linux?

I have an LTO-4 tape connected to a Linux host and Linux creates all the usual devices for this tape as follows: /dev/nst0 /dev/nst0a /dev/nst0l /dev/nst0m /dev/st0 /dev/st0a /dev/st0l /dev/st0m I normally use /dev/st0 and /dev/nst0 devices for…
dtoubelis
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archiving on tape under Linux

I have a server with 8TB data, and a tape with high numbered 400GB tape cartridges. What would be the best solution to backup this server with the least effort ? I think after one full backup, I can make many increments on one 400GB tape. But how…
Glendyr
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Correct backup settings for overflow tape in Backup Exec

We have a situation where our backups sometimes don't quite fit on one tape, and there's no budget for a bigger drive. What we do have is two separate tape drives, so we've hooked them both up to the backup server. My question is, how should I…
Cylindric
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