All Questions
16 questions
0
votes
1
answer
346
views
Making SCSI tape drive controller accessible to VM OS using virt-manager
I'm trying to make a SCSI tape drive drive controller card (or strictly, the tape drives and robotic tape library hanging off it) visible to the OS running on the VM.
I'm running RHEL 7.9 on both the ...
0
votes
2
answers
556
views
Maximum write speed of HP Ultrium 1760 drive
The write speed of the HP Ultrium 1760 drive is specified as 120MB/s with LTO-4 media and 80MB/s with LTO-3 media. However I get half of that - 80/40 MB/s respectively. The connector is SFF-8482 at ...
- 298
5
votes
1
answer
764
views
HP Ultrium 1840 LTO-4 slow write speeds
I have an HP StorageWorks Ultrium 1840 LTO-4 external tape drive attached to a machine running Ubuntu 18.04.4 LTS (kernel 4.15.0-99-generic) using an LSI20320IE PCI-X x4 SCSI adaptor with a VHDCI to ...
- 53
1
vote
0
answers
32
views
Tape always return zeros from files but with good length
I have a IBM LTO-3 ULT3580-TD3.
When I try write something to tape always it returns only zeros but with good length (/size).
# dd if=/media/test1 of=/dev/nst0 bs=64k
# dd if=/dev/nst0 of=/media/...
- 11
2
votes
1
answer
544
views
Link between tape drive library index and its serial number on linux
I need to map system devices to their index in tape library on linux.
How could I know by what index number in mtx command refers to a particular drive?
I can get mapping between drive serial numbers ...
1
vote
1
answer
438
views
How can I discover the content of a non-descript LTO3?
I've been handed an LTO3 which has been written with content, but I have no idea how it was made. I've been given the task of finding out what is actually stored on the tape. I've tried the usual tar ...
- 997
0
votes
1
answer
831
views
Quantum Scalar i80 - I see the tape drive, but not changer
I have a Quantum Scalar i80 connected via SAS to a CentOS 6 server. When I look in /proc/scsi/scsi, I see the tape drive, but I don't see the changer.
From /proc/scsi/scsi:
Host: scsi8 Channel: 00 ...
- 93
3
votes
1
answer
662
views
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 ...
- 1,247
0
votes
2
answers
3k
views
How to troubleshoot tape backup issues via mt on Linux for Windows backups?
I have an HP Ultrium 448 tape backup that is being recognized without seeming issue on Ubuntu. I am able to see it at /dev/st0.
When I issue mt -f /dev/st0 offline, the tape ejects. When I issue mt ...
- 1,247
2
votes
1
answer
470
views
How to recover data from a Windows 2003 Server HP StorageWorks Ultrium 448 Backup via Linux?
I have a scenario where I have to recover a backup from an Ultirum 448 tape medium that was made on Windows 2003 server. The only system that I have available for recovery is a Linux server with ...
- 1,247
3
votes
2
answers
4k
views
Simple backup tape wiping, from linux shell?
I have a pile of old unencrypted backup tapes I want to discard, and I'm looking for a really simple and free erase method.
I have previously used the following method to zero hard drives on linux. ...
- 755
3
votes
3
answers
2k
views
Is there a version of mt for windows, or something similar?
First of all, I'm not sure if this is the best place to ask this question. I was torn between SF and SU, but I decided for SF when I saw that questions about tape drives are scarce in SU.
I need to ...
- 145
1
vote
1
answer
3k
views
Why is this LTO4 Tape-drive not working
# modprobe mptsas
# dmesg
[ 4274.796796] scsi target7:0:0: mptsas: ioc1: delete device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x50050763124b29ac
[ 4274.939579] mptsas 0000:01:00.0: PCI INT A ...
- 961
0
votes
2
answers
4k
views
RHEL5 do not see sas tape library
We have a tape library which is connected to a server by SAS link. Server is running OS Linux. OS doesn't see the tape library in /proc/scsi/scsi . We tried to rescan scsi bus(*1), but it didn't help.
...
- 23
4
votes
2
answers
1k
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 ...
- 510
4
votes
3
answers
783
views
Hot Swap Ultra320 SCSI LTO-Tape Drive
Can an Ultra320 SCSI LTO tape drive (or any SCSI device) be hot swapped without needing to power down the system? The current LTO tape drive is the only device on the SCSI host.
If the above can ...
- 111