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Old 09-17-2008, 10:47 PM   #1
dippitydip
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Use Dell LTO4 SAS tape drive


Hi all, I have installed a Dell LTO4 SAS tape drive. It appears in the scsi file:

Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: IBM Model: ULTRIUM-HH4 Rev: 8191
Type: Sequential-Access ANSI SCSI revision: 03

But I don't know how to acccess it via ssh and WHM/Cpanel. Is it possible to backup to this drive using WHM/Cpanel?

Thanks
 
Old 09-18-2008, 09:34 AM   #2
TB0ne
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Quote:
Originally Posted by dippitydip View Post
Hi all, I have installed a Dell LTO4 SAS tape drive. It appears in the scsi file:

Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: IBM Model: ULTRIUM-HH4 Rev: 8191
Type: Sequential-Access ANSI SCSI revision: 03

But I don't know how to acccess it via ssh and WHM/Cpanel. Is it possible to backup to this drive using WHM/Cpanel?

Thanks
Not sure what WHM/Cpanel is. Are you trying to access the drive itself via SSH, or are you SSH'ing to the server, then trying to do something?

The drive should show up as /dev/rmt* (the * is some number..). Run the "dmesg" command, and look for rmt, and you should see it. From there, you will NOT be able to mount it as a disk, but you can access it, say with tar:

tar cvfz /mydirectory/* > /dev/rmt0

or some such command. There is lots of info on Google about tape rewind/eject and other commands you can issue. Don't know them off the top of my head, since I use network backup stuff.
 
Old 09-20-2008, 11:25 AM   #3
choogendyk
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Use mt to get the status of the drive, rewind it, eject it, fast forward, etc. Do a `man mt` for details.

tar should work fine. If you want to manage your backups a bit more, learn some new software, and get some additional capabilities, you could check out Amanda. There are links at http://www.linuxquestions.org/bookmarks/tags/backup. Depending on what your configuration is, you could backup to a holding disk and periodically flush it out to tape. Once you have that configured, it is as simple as `amdump daily` and `amflush daily`. If you put those in cron, it could do daily backups and a weekly tape, if that's what you wanted, without any action on your part other than making sure the right tape is in place.
 
  


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