Server :: Enabling Encryption On LTO4 Tape Drive?
Oct 22, 2010
I didn't know if I should have posted this in newbie, hardware, or server. I haven't used tape drives in Linux previously; however I'm trying to figure out how to enable an LTO-4 tape drives built in encryption. Im not that concerned with secure key management, I am looking to just being able to load a key into the drive and get the tape to encrypt. Im for a simple command, but I dont even know where to start. If it varies by device, its an HP Ultrium 4 (1760).
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Mar 24, 2010
Does CentOS 5 support HP EH854A LTO4 External SCSI tape drive?
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May 26, 2011
We have been using an Ultrium LTO-2 tape drive to perform backups of certain information from our file server. Recently, the data that we are backing up has grown too large to fit on the tapes in their 200GB uncompressed capacity. I have been looking around for a way to enable the compression in the drive, but I haven't found much. I am not using any backup software, so I'm not sure if I'll even be able to. I write the tape using a simple 'tar' command, so there aren't a whole lot of options to be set. Is there a way that I can enable the drive's compression, or would I be better off running the tar command with the gzip or bzip flags?
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Apr 3, 2016
I have been using an LTO-5 Ultrium-3000 tape drive connected to an ATTO HBA without problem. I can control the tape drive using "mt -f /dev/nst0" and have been able to make successful backups using cpio, tar, and dump/restore. I followed some instructions on the web about how to install the HPE Library and Tape Tools application (version 4.21) which relies on conversion of a rpm to a deb file. The software seems to have been installed correctly and runs. However the hardware scan function does not recognize my tape drive. The following is suggested in the user manual if the tape device is not recognized by the software under Linux:
1. Login as root.
2. Edit the following file:
vi /etc/modules.conf
3. Add the following line as appropriate:
add options scsi_mod max_scsi_luns=128
4. Reboot the computer.
The problem is I don't have an /etc/modules.conf and am not sure exactly which file would be equivalent? If this is even the correct solution.
My tape drive is controllable and functions well using "mt -f /dev/nst0 status" so it seems to be a matter of LT&T software to detect the tape drive.
At the risk of providing too much info here some, possibly relevant, output from lshw
*-pci:3
description: PCI bridge
product: 6 Series/C200 Series Chipset Family PCI Express Root Port 1
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: b5
[Code] .....
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Mar 8, 2010
I am looking at getting a DLT drive for my network; however, I have never used the tar command with a tape drive. What happens if the data is larger then 1 tape? Does the tar application automatically span tapes or do I need to use switches so it spans multipule tapes? Right now my Full backup will take 2 or 3 tapes.
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Dec 8, 2008
I have dell poweredge 830 server with tape drive and RHEL 4 running on it....the issue i am facing is,i am unable to insert the tape as i had ejected the tape forcefully from it....
i tried to do a listing of the contents backedup on tape and it got struck in middle throwing below error,
/dev/st0:device input/output error. after which i was unable to eject the tape using
mt -f /dev/st0 rewoffl
i removed the tape by holding the eject button and now when i try to insert another tape, it's unable to take the tape in to tape drive...
I've tried doing all except reeboting the server, can any one help me out in this issue, hope the blow information may help in debugging the issue... code....
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May 17, 2011
We have RHEL4 loaded on the server and our tape drive is not working.While taking the backup on the tape using the command tar cvf /dev/nst0 * the system is creating a tar file by the name of nst0 in /dev directory and no backup is being taken on the tape .Please provide solution.
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Jun 24, 2011
iam trying to access tape drive .but iam not able to see its location.is any command to install and access tape drive
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Oct 8, 2010
i have centos 5.9 running on my server and i have to take backup of my entire data from the different server.This one I want to make it as backup server. I need few informations about the tap drive
1.Which tape drive is good also compatible with Linux (centos ), pls send me the link
2.How to take backup into tape drive , good if you send any doc.
3. Any backup software which is kind of opensource
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May 25, 2010
I've got a Tape drive attached to my server connected by SAS card, and am trying to copy some data across.but it fails to write, in dmesg i seescsi 1:0:1:0: Attached scsi generic sg1 type 1mptbase: ioc0: LogInfo(0x31120403): Originator={PL}, Code={Abort}, SubCode(0x0403) does this mean faulty hardware/cables?
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Nov 25, 2010
make storageworks tape drive work with redhat 5
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Sep 26, 2010
I have been using wicd successfully for some time, lately with slackware 12. However, when traveling I sometimes find a place that gives an error message "encryption must be enabled".Probably this means that wpa-supplicant must be set up right, but I do not know how to do that.I have wicd starting at startup, then I type wicd on the command line until a prompt does not return, go to a different window, type wicd-client, then start kde and use its link to start wicd. So frequently this works fine; I get a connection to something I have a user name and password for, or am in a coffee shop where no such are required. But sometimes I get the above message. This happened to me in a coffee shop in Helsinki where I was given a user name and password, but still got the above message and could not proceed.
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Apr 26, 2010
I want to know how to retrival partial files from a lto 4 tape instead of retrieving the complete tape.
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Jul 5, 2010
I am a Ubuntu 10.04 Desktop user.
I am searching for a backup software to backup to my hp dat72 tape drive. It is only to backup my data from 1 PC.
I have already found bacula but it seems to big for my purpose. I need an easy and automatic software.
Could you recommend a backup software for my needs?
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Feb 26, 2010
I'm having issues with mt commands. For some reason, my server doesn't like backing up directories using tar.
Code:
# tar -czf /dev/st0 /www /home
ends up giving me an error message saying "removing / prefix" and then using the command
Code:
# mt -f /dev/st0 status
gives me an IOCTRL error. I've googled the error code and haven't come up with a viable fix. Thus far, the only way I've been able to check which files are on the tape is:
Code:
# tar -tzf /dev/st0
Of course, without getting the actual directories on the tape in the first place, the only files I've been able to transfer at this point are just singular files within the directories as opposed to the entire directories themselves.
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Mar 5, 2011
I have issues in installing HP Ultrium 448 external tape drive on HP ML 370 G5 server running Red-Hat-Linx OS. It has a SCSI interface & I thought it was suppose to plug & play but not. I got an information that all i need to do is echo "engage scsi" > /proc/drivers/cciss/cciss1 but unfornately i do not know how to do this because i just began learning about LINUX,
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May 4, 2011
I have a linux server running Red Hat Enterprise Linux AS release 4 (Update 8) that I need to do some unusual configurations to. I have a hospital application written using a database called MSE. Now the provider of this application says they will only support tape because of the fact that this system is using a specialized backup system. Basically the data is housed on raw_data blocks. So what I am looking to do is create a way to USE the SAN to present the server with Hard Drives and be mounted as if it was a tape. Has anyone tried to do something like this before? If so how did you configure that. One solution that I thought would be to just Present a 2TB lun and carve up several partitions cut not create filesystems on them. Then just create a symlink everynight /dev/rmt0 and rotate out the partitions.
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Jul 17, 2009
I installed centos on a server with a exabyte vxa-2 tape-drive. There are two harddisks and the tapedrive on the Adaptec SCSI 2010s Contoller. The harddisks are working , but it doesn't find the tapedrive. And there is nothing in /proc/scsi/scsi.What can i do to add the tape drive?
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Sep 15, 2010
I am setting up a tape drive back up, but I am having "fun" with bacula configuration. Basically the drive is working , I ran the test with the btape program and all was correct. I am basically meddled up with the jargon and the very large bacula documentation. I created some 2 volumes and gave the mounted the tapedrive (labeled) the name of one of them "tapevol2" .... now I can not relabel the tape, I deleted the volume "tapevol2" but still the tape drive is mounted with that name, even though the volume is deleted. If I add ( create more volumes) I can not make the tape to mount with anything different that "tapevol2". I would like to go back to zero and delete all volumes, and mount the tape with one of the newly created volumes, so the jobs back up can run.
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Dec 14, 2010
Not sure whether is feasible or not...
Any idea how to script to detect whether are there any tape media loaded in the tape drive ?
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Sep 30, 2010
I have a questions concerning tape drives.
Is it necessary to erase tape before recording ?
Do You know linux command to clean tape drive ?
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Mar 2, 2010
I have been trying to install HP Storageworks DAT72 on CentOS 5 in vain. On system reboot, neither /dev/st not /dev/sg is available.
lsmod
Module Size Used by
ipv6 267617 40
xfrm_nalgo 13381 1 ipv6
[code]....
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Jan 3, 2011
I have an LTO-3 tape drive.
It shows
Code:
when I do:
Code:
I am running as root
Would like to NOT reboot this server. (WEBSITE) It is running Red Hat Enterprise Linux ES release 4 (Nahant Update 8)
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Feb 28, 2011
I am running Ubuntu 10.04, and i recently purchased an tandberg LTO-4 SAS tape drive. I want to access it and backup data on it. Do I simply just connect plug it into the server,and I should be able to backup/transfer data to the tape drive? Or are there intermediate steps before I can do that. Here are some results from commands that I have typed:
Quote:
ls /dev/tape/
by-id
Quote:
ls -lt /dev/tape/by-id/
total 0
lrwxrwxrwx 1 root root 9 2011-02-25 14:54 scsi-3500110a00145553e -> ../../st0
lrwxrwxrwx 1 root root 10 2011-02-25 14:54 scsi-3500110a00145553e-nst -> ../../nst0
[code]....
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Mar 25, 2010
I have zone several LTO2 & LTO4 drives to a Redhat 3 server. What are the configurations required to be done on Redhat 3 in order to detect the FC tape devices?
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Jun 13, 2011
I need backup files to a tape drive on a remote server without being prompted for password.
I got the part working to tar files to the remote tape drive like this:
Code:
currently I got rsync to work with out being prompted for password like this:
Code:
How can I get the above tar command to work like the rsync command so it does not prompt me for a password.
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May 30, 2010
I have a DELL Latitude E6410 64bit with Core i5. My goal is to have my Windows 7 encrypted and my Ubuntu 10.4 unencrypted and to be able to boot them both. So here are the details. I installed windows 7 first. Then I installed Ubuntu and Grub was in the MBR. Then I started TrueCrypt 5 from Windows 7 and encrypted the system partition, not the whole drive! So the TrueCrypt loader overwrote the GRUB in the MBR. Now when I start my computer, I see the prompt for password from the TrueCrypt boot loader. If I enter my password, windows is loaded.
The other option at the beginning is to press Esc and that should offer me other boot loaders. Well, on my DELL there's this Recovery partition and it boots immediately. How I can integrate the Grub in the process. I know, that there are many howto-s on the internet about this problem, but I haven't found a solution for grub2 and windows 7! It is indeed different, because GRUB does not have menu.lst any more and Windows 7 does not have boot.ini!
Here some more info about my partitions:
Code:
/dev/sda1 fat16 DellUtility
/dev/sda2 ntfs RECOVERY
/dev/sda3 unknown
/dev/sda4 extended
- /dev/sda5 ext4 ubuntu
- /dev/sda6 linux-swap
Windows 7 in installed on /dev/sda3 and is encrypted, that's why the file system is unknown.
Ubuntu 10.4 is installed on /dev/sda5
I know of three options to deal with the problem:
Solution 1
Install GRUB to the PBR (partition boot record) of the linux partition - that's /dev/sda5 in my case. Then, it should be possible to load GRUB when you press Esc in the TrueCrypt boot loader.
solution 2
Make Windows load Linux. Copy the PBR of the linux partiotion to a file and copy the file to windows. Then add an entry in the windows loader to include the linux loader file.
solution 3
Make GRUB load TrueCrypt's boot loader. Make a backup of the MBR (containing the TrueCrypt's loader). Add Truecrypt's MBR as a chain boot loader in GRUB. Finally, rewrite the MBR using this new GRUB.
I did install GRUB to my PBR with
Code:
from the live CD:
first mount /dev/sda5 to /media/ubuntu
sudo grub-install --root-directory=/media/ubuntu /dev/sda5
I also tried with
Code:
from inside ubuntu:
> grub
grub> find /boot/grub/stage1
hd0,4
grub> root (hd0,4)
grub> setup (hd0,4)
grub> quit
After one of these, I am able to boot my ubuntu after restart. But then I reboot and load windows, reboot once again and press Esc in order to try to boot ubuntu again, and then I don't see the grub loader list, but the "grub> " shell prompt instead! I thought that I will be able to see the grub loader also after many restarts, not just the first time. Why this configuration "breaks" after 1-2 reboots? Maybe the problem is that my ubuntu is on an extended partition (sda4)?
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Oct 11, 2010
Does anyone know any software for whole system drive encryption for Linux, I used to use truecrypt for windows, but truecrypt doesnt support system/OS partition/drive encryption....
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Feb 9, 2010
we have a server that runs a backup (cron job) at 9:15 every night. When I log on in the morning I have mail message that gives me a long list of all the files that were backed up the night before. For a couple of weeks now, the mail message gives me an empty list. Yet, when I run the same job manually from a #prompt, it runs. I am not able to run this job with cron in the daytime because too many users are in it. I wanted to browse the tape to see if the backup is really failing to copy the files or if they are on the tape and the mail message is bogus.
Since the backkup was done with cpio instead of tar, I'm not sure if I can browse the tape with restore -i anyway.What would be the best way to browse the tape on /dev/rmt/1 without actually restoring anything ?This is an ancient DGUX system, not Linux, and I'm not a unix expert I just inherited this server recently, but a lot of things are very similar to Linux and it looked like this might be a good place to ask.
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Jul 16, 2010
I have a server with an old version of Fedora on it, Fedora 7, I know its old and that I should have upgraded it. But I haven't I plan on doing it now but I ran into a hardware failure and had to switch to a different set of hardware. I tried going into rescue mode using the fedora 7 install disc, but st0 for tape drives was not available. So I tried using the newest fedora distro, Fedora 13, installation disc and st0 is still not available on there. How to do a restore from tape?
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