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тАО12-10-2010 01:09 AM
тАО12-10-2010 01:09 AM
How can get the details of tape drive?
How can get the size/attributes of of tape inserted ?
Please share a doc for Tape drive adminstration.
Solved! Go to Solution.
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тАО12-10-2010 01:19 AM
тАО12-10-2010 01:19 AM
Re: Tape drive and tapes
ioscan -fnC tape
How can get the size/attributes of of tape inserted ?
# diskinfo /dev/rmt/0m
SCSI describe of /dev/rmt/0m:
vendor: HP
product id: C1537A
type: sequential access
size: 1161216 Kbytes
bytes per sector: 1024
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тАО12-10-2010 01:24 AM
тАО12-10-2010 01:24 AM
Re: Tape drive and tapes
Every tape drive will have a device file associated with it and tape drives will not have block device files as they are serial devices that is why you will never see a tape drive with /dev/mt or /dev/tape. You will only see /dev/rmt.. /dev/rtape.. lssf command followed by the device file will give device specific access options which are most useful for tape drives. lssf
Regards
Ismail Azad
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тАО12-10-2010 03:08 AM
тАО12-10-2010 03:08 AM
SolutionTo add to this, you can also use the "mt" command to administer the tape drive in HP-UX.
Refer the attached document (HP-UX Tape Drive Reference Hand Book.doc) for your reference.
Thanks,
Pradeep
Pradeep
I am an HP Employee
A quick resolution to technical issues for your HP Enterprise products is just a click away HP Support Center Knowledge-base
See Self Help Post for more details
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тАО12-10-2010 09:10 PM
тАО12-10-2010 09:10 PM
Re: Tape drive and tapes
Pradeep,
Thanks a lot for a simple doc.It is very helpful for a beginner like me.
Can sumbody help me to check how much space is utilized in the tape ? how can we write the new data at the end of last data in tape?
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тАО12-11-2010 03:30 PM
тАО12-11-2010 03:30 PM
Re: Tape drive and tapes
What tool are you using to do that? tar/pax/cpio?
Typically this is very dangerous, how do you remember how many EOFs to skip?
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тАО12-13-2010 09:56 AM
тАО12-13-2010 09:56 AM
Re: Tape drive and tapes
Dennis,
I usually use tar,never used pax or cpio which is the best in it ? which situation is the pax or cpio best served.
Can you suggest me the best practices for tape & tape drive adminstration
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тАО12-13-2010 09:47 PM
тАО12-13-2010 09:47 PM
Re: Tape drive and tapes
In HP-UX 11.31, the pax utility uses it own pax archive format.
The pax utility will detect when you've reached the end of a disk or tape on a volume and will prompt you to insert the next volume to be used for the save. The result is a backup spanning several media (disks, tapes, etc.).
Pradeep
I am an HP Employee
A quick resolution to technical issues for your HP Enterprise products is just a click away HP Support Center Knowledge-base
See Self Help Post for more details
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тАО12-13-2010 11:03 PM
тАО12-13-2010 11:03 PM
Re: Tape drive and tapes
pax has a better interface, combining tar and cpio. It's also able to write bigger files.
>Can you suggest me the best practices for tape & tape drive administration
You don't bet your company on using tar/pax/cpio, you use a commercial product.
Or fbackup(1m), which will be obsoleted in the future. (Which doesn't let you append to a tape.
>pradeep: Both cpio and tar are implemented as links to pax,
Huh? I don't see those.
>which is capable of reading and writing both cpio and tar formats
Right.
>so it doesn't support its own archive format.
pax also supports "-x pax", if you have installed PAX-ENH.
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тАО12-14-2010 02:39 AM
тАО12-14-2010 02:39 AM