Tapes are used by a tape backup machine.

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Rsync and off-lined data on tape

I have a backup system handling large amounts of data. I use rsync to backup the data to a remote directory. In the remote location they archive their data on tape for security reasons. The data is ...
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1answer
40 views

Hardware compression on tape drives: does it still make sense?

Does hardware compression still make sense on tape drives, considering the performance of modern CPUs? Also, what should I do if I have some data which is already compressed in GZIP and my drive is ...
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1answer
30 views

Using different tape drives with different servers

I am using HP MSL 2024 LTO 6 Fiber and backup exec 2012. My tape library has two magazines with one tape drive. I want to have two separate backup exec software but currently using only one drive. If ...
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102 views

Backup exec LTO tape capacity shows as 17.8GB

I have come across administering a Backup Exec 10d system, and all its tapes show a Total Capacity of 17,8 GB while showing a Used Capacity of e.g. 281GB. The tapes are LTO2 so they should have 200GB ...
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206 views

Unexpected EOF write error

We have a Sun Solaris 10 server that is failing to backup using tar to write to tape. tar cEf /dev/rmt/0cn . The complete error is tar: write error: unexpected EOF tar error code 2 The ...
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25 views

Cannot read tape with tar on Win2003

I have connected a HP 72GB USB tape drive to a VM Win2003 thru Esxi. Now I'm trying to read the tape with gtar (Windows version): C:\Program Files\GnuWin32\bin>tar -tvf \\.\Tape0 tar: No se puede ...
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1answer
157 views

dd unable to write to tape drive

I'm trying to dump our online backups to tape; for obvious reasons I want to encrypt the data on the tapes, so to write to the tape I need to tar everything up, pipe that to openssl to encrypt it, ...
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106 views

Network tape devices for backing up from server 2012 virtual machine

Are there any network attached tape devices available to allow us to get data from a server 2012 R2 VM on hyper-V backed-up onto tape? First problem is that server 2012 doesn't support backup to ...
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2answers
953 views

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 ...
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1answer
618 views

Backup to tape on server 2012

It seems that Windows Backup Server on 2012 does not backup to tape, only to block storage devices. Anyone know if there is a way of backing up to tape on server 2012, just like the old ntbackup used ...
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56 views

Use dd or redirection to write to tape?

My Googling for writing to tapes with encryption have turned up various results. Most along the lines of piping tar to openssl similar to: tar cf - /home | openssl des3 -salt -k "Your-Password-Here" ...
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1answer
36 views

Get a tally of tapes in an IBM 3500 tape library

My organization uses an IBM 3584 Tape Library. I want to know how many tapes are currently loaded into it and how many slots are available in the library total (or at least remaining). IBM's website ...
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44 views

VERITAS Backup Exec does not accept tapes

VERITAS Backup Exec 8.60 Rv 3878 does not accept brand new Sony SDX3-100C tapes using a Compaq AIT 50 GB tape drive. I want to introduce new tapes to an ancient backup system as described above on a ...
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1answer
162 views

IBM TS 3310 upgrade firmware

Am I allowed to upgrade firmware (by self) for tape library IBM TS 3310 which service support contract has been finished?
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8answers
2k views

What are the advantages of tape drives?

IBM still develop and sell tape drives today. The capacity of them seems to be on a par with today's hard drives, but the search time and transfer rate are both significantly lower than that of hard ...
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309 views

What to do after installing lin_tape

My OS Linux Centos 6.4 is running on a vmware, I downloaded an Virtual tape library VTL from IBM site (Lin_tape), After I download it, I tried to define the drive name /dev/st1 in the TSM Server, but ...
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1answer
27 views

Best format/approach for one-off backups to tapes?

We're currently backing up quite a lot of data from different servers to a tape library using Amanda Backup and it works just fine. Now I need a one-off backup of a specific set of files (in a ...
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260 views

Debian - Persistent tape binding

I have a problem, whenever the library is rebooted, a cartdrige is mounted, or any operation, Linux is changing path for library, making it unavailable to automate backup procesing, it is even worst ...
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2answers
224 views

NTBackup fails, claims hardware failure or permission issue, but all hardware replaced

We have a server running incremental backups four times a week, and full backups once a week. It has been reporting hardware errors, intermittently but more frequently as of late: Error: The device ...
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1answer
110 views

Exabyte tape drive conversion to hard drive

I've never used tape drives before. For work I have to transfer some data from old Exabyte cassettes to a hard drive using an Exabyte tape drive reader. I don't have more information than this at the ...
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45 views

How get the label of the currently inserted tape?

I would like to design a debug script that outputs the Bacula's label of the tape currently inserted in the tape loaders and to send the result into Opsview if required. should those be mounted or ...
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2answers
89 views

What other tape manufacturers can I use in IBM LTO Gen 3 SAS Tape Drives

I have recently just got my hands on an IBM 3580S3V. I was just wondering if there are any other brands that I can use in this IBM gear? LTO media are usually manufactured only by EMTEC, Imation, ...
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1answer
197 views

tape changers on Centos 6 enter flurry of activity upon boot, at udev start

I have two tape-changer robots (Quantum Superloader 3), one with parallel SCSI connectivity, the other with SAS. They were connected to a Centos 5 server, and boot would proceed normally. They are ...
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191 views

Tape backup size versus file retention time

How we back up We currently have a file server that is backed up to tape. The backups are incremental which means the files that have changed since the last backup get written to tape. Over time the ...
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1answer
99 views

Tape Drive Backups

Not sure if this falls in the ServerFault category, but I need to spec up a Tape Drive Backup Machine and I am not sure in regards of the technology and how Dat Drives are compared. Can someone give ...
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2answers
92 views

What is the length of magnetic band in a DLT tape? [closed]

We are currently destroying our old DLT tape (some are 30 years old...), and we are amazed by the length of the band inside. We would know what is it length ? It looks infinite ! (+1)
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754 views

How can I check the contents of a backup tape on Windows Server 2003

I have a tape that was backed up long time ago, probably 5-6y, on a Windows Server 2003. Now I have a situation that I want to check up what was backed up on that tape back then. The backup wasn't ...
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2answers
152 views

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 ...
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203 views

Backing up VMs to a tape drive

I've got myself one of these fancy tape drives, HP LTO2 with 200/400 GB cartridges. The st driver reports it like this: scsi 1:0:0:0: Sequential-Access HP Ultrium 2-SCSI T65D I can ...
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2answers
312 views

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 ...
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1answer
132 views

How do I untar multiple archives from tape?

I have a tape with multiple tar files on it. I do not know how many (it was created by a third party and sent to me with minimal information). How do I untar all the files without having to repeat the ...
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2answers
2k views

How to auto mark tape as free in DPM 2012?

I have a backup server running System Center Data Protection Manager 2012, connected to a couple of tape drives (no library). I also have, of course, some tapes. Tape rotation is manual. The tape ...
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5k views

Why do companies still use tape drives? [closed]

I found this, but it doesn't really answer my question. Disks even in the 1-2 TB range are much cheaper than tapes, yet I saw that Google uses tape drives for backup. What is their (disks) primary ...
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159 views

What fiber PCI-E card to buy? HP BL532A MSL4048 1 LTO-5 ULTRIUM 3280 FC 48-SLOT TAPE LIBRARY [closed]

I bought a HP BL532A MSL4048 1 LTO-5 ULTRIUM 3280 FC 48-SLOT TAPE LIBRARY I have a few quick questions: What is the best fiber card to buy for this unit? Can I buy a quad port fiber card and use 1 ...
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1answer
1k views

LTO Ultrium 2 - free management software

i'm making backup using ntbackup to write on LTO Ultrium 2 cartridges ( http://en.wikipedia.org/wiki/Linear_Tape-Open ). All worked fine till last week when suddenly all cartridges are rejected (for ...
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2answers
511 views

A decent Windows tape backup program to replace NTBackup

I'm running Veeam right now to back up VMs to disk which is great, but I like taking home a tape every night as an offsite backup. Integration with NTBackup is simple, just put a "ntbackup backup [vm ...
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1answer
122 views

BackupExec 10d crashing 2k3 server

There are two weeks now since I'm doing repository-like backup, because BE10d is crashing the file server. The computer is a NEC Express 5800, 2xXeon, 1 GB RAM, 4 SCSI drives in RAID 5 w/ spare, one ...
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397 views

Ultrium 3 tape drive shoe-shining, 3Mb/s: and it's not the cable

I have a HP 960 Ultrium 3 tape drive. Since I got it, (second hand, £90) I've been experiencing shoe-shining. Writing with tar in Linux, I average about 3Mb/s write speed. I've tried replacing both ...
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2answers
190 views

Internal LTO tape drive becomes hot

We use an internal LTO3 tape drive (HP Ultrium 920) in a PC (no particular server hardware) running Linux. The tape drive becomes quite hot - I don't have the exact temperature, but you may touch it ...
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1answer
264 views

Is it possible to pass through a IDE tape drive to a virtual machine?

My department does conversions for people who bought our software to get their data out of their old system and in to our system. Often they will be running odd or archaic systems that the only way to ...
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2answers
2k views

Bacula & Multiple Tape Devices, and so on

Bacula won't make use of 2 tape devices simultaneously. (Search for #-#-# for the TL;DR) A little background, perhaps. In the process of trying to get a decent working backup solution (backing up ...
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1answer
46 views

File system that mounts a set of exchangeable media as single file system and handles media changes transparently

I'd like to build a DVD library (probably later to become a tape library) with a home-built robot that moves media between a store area (i.e. the 'shelves' where the physical DVDs are kept) and the ...
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1answer
651 views

Accessing tapes at the Windows Server 2008 R2 with NTBackup backups

Does anyone know any solution how to access tapes at the Windows Server 2008 R2, tapes written with NTBackup from earlier Windows versions ??? I appreciate free or low cost solution to access such ...
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1answer
1k views

Why is not DPM 2012 treating my tapes as free even if they should be?

I have a DPM 2012 server (but I've heard the same behaviour happens with DPM 2010) I'm using to backup my environment; it's connected to a single tape drive (no library), so tape rotation is manual. ...
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1answer
167 views

boot IBM p series 650 from 3580-L23 LTO-2 tape

We have a p series 650 that has a dds4 tape drive built-in. In the past, recover has been as simple as putting a mksysb tape into the drive and booting the machine. During boot, the machine detects ...
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137 views

How do tape backups work? [closed]

We are backing up to tapes but more often then not the tape will be spat out and we will have an error like The requested media failed to mount. The operation was aborted. which from what I can tell ...
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201 views

tar from tape never finds directory I want

I'm a newbie when it comes to working with tape backups. I'm trying to extract a directory from a tape archive, and not getting much success. The directory on the tape is of the format ...
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3answers
1k views

Symantec Backup Exec 2010 not compressing data anymore

I am using Symantec Backup Exec 2010 in conjunction with an HP Storagewors 2024 tape library system. It used to compress the data well. As we are using 400/800gb tapes. For awhile now it is just ...
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1answer
421 views

Linux LTO-4/5 Drive Encryption

For a number of reasons I have been trying to find a way to encrypt my backup tapes. I'm currently running Bacula for my backups and it's support for Drive based encryption is I have to call a script ...
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340 views

Tape restore giving error incorrect block size - Win2k8

I'm trying to restore from tape and I am getting an error of incorrect block size. The software I used to backup is called BackupAssist and their support hasnt been the greatest. One weird thing I ...