Networker

Re: [Networker] Tapes ending prematurely...

2004-10-04 18:02:17
Subject: Re: [Networker] Tapes ending prematurely...
From: "Gibbons, Kim" <kgibbons AT MPR DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Mon, 4 Oct 2004 17:54:10 -0400
Hi Srinivas,

We are having the same issues and error messages with Mammoth 2 tapes.
What was the reconfiguring you did?

Advanced thanks!

 Kim

-----Original Message-----
From: Srinivas Rao [mailto:rsrini AT BLR.PIN.PHILIPS DOT COM] 
Sent: Wednesday, September 01, 2004 5:57 AM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: Re: [Networker] Tapes ending prematurely...


Hi Robert,
The problem has been solved after reconfiguring DLT drive. Now tapes are
filling upto full capacity(around 60GB).

Thanks,
Srinivas.



-----Original Message-----
From: Legato NetWorker discussion
[mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU]On Behalf Of Robert Maiello
Sent: 2004 Aug 31 11:23 PM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: Re: [Networker] Tapes ending prematurely...


I think your first default block size is fine; there should be no need
to set it with NSR_DEVICE_BUFFER_SIZE.  The default is 131072, you can
do a scanner -nv on the tape and it will report this.  The GUI reports
this as 128K.

Are ALL your tapes filling prematurely?   It could very well be a bad
tape
or bad drive.


Robert Maiello
Pioneer Data Systems


On Tue, 31 Aug 2004 10:45:43 +0530, Srinivas Rao
<rsrini AT BLR.PIN.PHILIPS DOT COM> wrote:

>Hi All,
>I am using Legato Networker 6.1.4 Build.562 on Solaris system with Sun 
>DLT drive. DLT Tapes of 40/80GB are ending prematurely at around 3.5GB 
>with the following error.
>
>media notice: Volume "ABJ243" on device "/dev/rmt/0cbn": Block size is
32768
>bytes not 131072 bytes. Verify the device configuration. Tape 
>positioning
by
>record is disabled.
>media notice: "/dev/rmt/0cbn" reading: fsr 1836: read I/O error. media 
>emergency: could not position ABJ243 to file 17, record 1838 media 
>warning: /dev/rmt/0cbn reading: I/O error. media warning: /dev/rmt/0cbn

>reading: I/O error. media warning: /dev/rmt/0cbn reading: I/O error.
>media warning: /dev/rmt/0cbn reading: I/O error.
>media warning: verification of volume "ABJ243" , volid 868048897
failed,
>cannot read record 1838 of file 17 on dlt7000 tape ABJ243.
>media notice: verification of volume "ABJ243" , volid 868048897 failed,
>volume is being marked as full.
>
>The current volume block size of the device is 128KB. I have changed 
>NSR_DEVICE_BUFFER_SIZE to 131071, 163840 and 196608. Each time after 
>changing buffer size, the first tape is getting backedup fine(upto 
>55GB)
but
>the second tape ends prematurely at around 3.5GB with the above error.
>
>Please let me know about this error and workaround as I am new to 
>Legato.
>
>
>Thanks,
>Srini.
>
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