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Old 11-13-2013, 10:54 AM   #1
dmslack
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Registered: May 2011
Location: italy
Distribution: slackware
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Need help with HP Ultrium LTO5


Hi all,
in my Slackware64-14 I got a new HP Ultrium LTO5 (3TB) tape drive.

I've downloaded and installed HP StoreOpen Automation Linear Tape File System (LTFS) - 1.2
(http://h71028.www7.hp.com/enterprise...le-system.html)

As shown in the README, I try to use lfts:
$ mkltfs -d /dev/st0

The output is:
LTFS15000I mkltfs starting, LTFS version 1.2.2, log level 2
LTFS20107I (0) drives and (7454) slots are present in the library.
LTFS20106E HP StoreOpen Automation supports a maximum of 4 drives and 48 slots per partition
LTFS12012E Cannot open device: backend open call failed
LTFS10004E Cannot open device '/dev/st0'

Anyone can help me?

Thanks
 
Old 11-13-2013, 05:23 PM   #2
warpalpha
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Registered: Nov 2013
Location: Farnborough, Hampshire, UK
Distribution: Debian
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Hi dmslack,

Quote:
Originally Posted by dmslack View Post
LTFS10004E Cannot open device '/dev/st0'
LTO5.... drool

I'm not sure if this will help, but a few ideas come to mind:

Have you tried using the mt-st tools on the drive, or perhaps attempted using dump to backup a partition to tape?

Have you checked out dmesg wrt the tape drive being detected properly?

Do the HP tools expect a certain kernel { version , module , etc } ...?

Have you tried install the HP LTT software to help query the drive?


Best of luck - I'd be interested to hear how it performs for you.
 
Old 11-14-2013, 05:26 AM   #3
dmslack
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Registered: May 2011
Location: italy
Distribution: slackware
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Hi warpalpha,

Quote:
Originally Posted by warpalpha View Post
Hi dmslack,

LTO5.... drool

I'm not sure if this will help, but a few ideas come to mind:

Have you tried using the mt-st tools on the drive, or perhaps attempted using dump to backup a partition to tape?

Have you checked out dmesg wrt the tape drive being detected properly?

Do the HP tools expect a certain kernel { version , module , etc } ...?

Have you tried install the HP LTT software to help query the drive?
I forget to write that Ultrium tape drive is recognized correctly:
# cat /proc/scsi/sg/device_strs
HP Ultrium 5-SCSI Z64D

Using tar, Ultrium LTO5 works like a charm and the limit are my SATA hdd.

But I'm using this drive as my previous Ultrium LTO3... instead I want to create a partition and use the beauty of LTO5.
And here comes the problem. Whatever command I use, I only got the messages I posted yesterday.

Any ideas?
 
Old 11-14-2013, 08:46 AM   #4
warpalpha
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Registered: Nov 2013
Location: Farnborough, Hampshire, UK
Distribution: Debian
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Quote:
Originally Posted by dmslack View Post
I've downloaded and installed HP StoreOpen Automation Linear Tape File System (LTFS) - 1.2
(http://h71028.www7.hp.com/enterprise...le-system.html)
Something in the output caught my eye..

Quote:
Originally Posted by dmslack View Post
LTFS20107I (0) drives and (7454) slots are present in the library.
LTFS20106E HP StoreOpen Automation supports a maximum of 4 drives and 48 slots per partition
So, I just read the linked page again, and saw this at the bottom (my emphasis):

HP StoreOpen Automation is required to be installed on customer servers supporting Enterprise Linux or MacOS X with connection and support of HP tape libraries.

HP StoreOpen Standalone is required to be installed on a customer server supporting Windows or MacOS X with connection and support for HP LTO-5 or LTO-6 tape drives.

Unfortunately it would seem that you need the Standalone software which isn't made for Linux

Last edited by warpalpha; 11-14-2013 at 08:48 AM. Reason: Typos and incomplete quote tags
 
Old 11-24-2013, 12:07 PM   #5
dmslack
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Registered: May 2011
Location: italy
Distribution: slackware
Posts: 5

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Quote:
Originally Posted by warpalpha View Post
So, I just read the linked page again, and saw this at the bottom (my emphasis):

HP StoreOpen Automation is required to be installed on customer servers supporting Enterprise Linux or MacOS X with connection and support of HP tape libraries.

HP StoreOpen Standalone is required to be installed on a customer server supporting Windows or MacOS X with connection and support for HP LTO-5 or LTO-6 tape drives.
Unfortunately it would seem that you need the Standalone software which isn't made for Linux
Thanks warpalpha, you pointed me in the right direction... and many thanks to my friend Fabio, who solved some compilation errors in hp package.

So now I'm able to partition LTO tape, mount it and use it as a disk.

Now I'm fighting with rsync, that seems to have terrible performance... instead, cp works very well.
The important thing is that I'm able to list tape content and restore a single file very quickly (I mean seconds or minutes, not hours as when I use Ultrium as a normal tape device).
 
  


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