Questions tagged [tape]

Tapes are used by a tape backup machine.

Filter by
Sorted by
Tagged with
22 votes
3 answers
15k views

Are RDX removable disks a good replacement for LTO tape?

Over a period of three weeks, I experienced six complete failures of LTO-1 and LTO-2 tape drives at client sites. Some had failed mechanisms. Others lost the ability to write reliably. These were HP ...
ewwhite's user avatar
  • 198k
62 votes
8 answers
7k 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 ...
kba's user avatar
  • 2,877
20 votes
7 answers
1k views

Is there still a place for tape storage?

We've backed up our data on LTO tapes for years and it's a real comfort to know we have everything on tape. A sister project and one of our data providers have both moved to 100% disk storage because ...
Jon Ericson's user avatar
16 votes
5 answers
4k views

Determine remaining capacity of LTO tape

How can I determine how much space is remaining on an LTO tape? If I seek to the end and check the status, I can see I am on file number 17, but what I do not know is how large each file was. $ mt -...
Matt Clark's user avatar
15 votes
4 answers
13k 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 ...
ember arlynx's user avatar
13 votes
4 answers
15k views

If LTO-3 full backup takes more than one tape. What is my next step hardware wise?

OK. some givens to factor in I use Backup Exec 12.x/13.x, Have server 2003/2008 environment including Exchange. I have Backup to Disk (Full/Diff) happening that is independent of the backup to LTO (...
8 votes
2 answers
3k views

Do I need to run a verfication on LTO tape backups even though the drives themselves perform verification as they write?

We have an LTO-3 Tape drive in a Dell media library that we use for our tape backups. The article about LTO on Wikipedia states that: LTO uses an automatic verify-after-write technology to ...
Chris Magnuson's user avatar
2 votes
3 answers
3k 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 ...
jherlitz's user avatar
  • 1,058
2 votes
1 answer
10k views

Backup Exec 2010 throwing error trying to restore Exchange mailbox

Error category : Resource ErrorsError : e000848c - Unable to attach to a resource. Make sure that all selected resources exist and are online, and then try again. If the server or ...
Mindflux's user avatar
  • 120
2 votes
4 answers
408 views

Backups for online businesses - better external hard drives or tape drives

We are an online business. Currently we are using DVD's for our backups. The problem is we are running out of space. We are considering two alternatives here: external hard disk drives tape drives ...
Daniele's user avatar
  • 661
2 votes
1 answer
453 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 ...
ylluminate's user avatar
  • 1,197
2 votes
3 answers
1k views

Encrypt backups with GPG to multiple tapes

Currently, I use tar to write my backups (ntbackup files) to a tape drive fed by an autoloader. Ex: tar -F /root/advancetape -cvf /dev/st0 *.bkf (/root/advancetape just has the logic to advance to ...
Dan's user avatar
  • 1,288