Discuss February 2012

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205 participants
193 discussions

How does a linux DHCP machine inform DNS of its name and obtained address
by Jerry Geis 01 Feb '12

01 Feb '12

I am using a number of DHCP devices on a network. Working fine with CentOS 5 x86_64. My question is now how do I tell the DNS (after I get my DHCP address) about my devices name and IP address so that others can find me by my machine name? I thought that was an automatic thing - but it appears not. Thanks, Jerry

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Re: [CentOS] How does a linux DHCP machine inform DNS of its name and obtained address
by Les Bell 01 Feb '12

01 Feb '12

Jerry Geis <geisj(a)pagestation.com> wrote: >> My question is now how do I tell the DNS (after I get my DHCP address) about my devices name and IP address so that others can find me by my machine name? << I wrote this years ago, so it might need updating, but the basics should still be the same. http://www.lesbell.com.au/Home.nsf/web/Dynamic+DNS+Updates+with+TSIG+for+Se… Best, --- Les Bell [http://www.lesbell.com.au] Tel: +61 2 9451 1144

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Quantum scalar i40 tape partitions
by Xinhuan Zheng 01 Feb '12

01 Feb '12

Hi All, I have a Quantum scalar i40 tape library. I need to configure it to TWO tape partition libraries, e.g., library_a and library_b, so that each library has its own tape drive. Then connect this physical tape library to two different CentOS servers so that each server can see its own media changer and tape drive. I once had a successful configuration on one host but NOT on the other. One host sees the media changer and one tape drive, while the other host only sees the tape drive. After I delete tape partitions and re-create them both servers are totally screwed up. This is CentOS 5.7 kernel 2.6.18-274. On one server: # cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: HP Model: Ultrium 5-SCSI Rev: Z58Z Type: Sequential-Access ANSI SCSI revision: 06 Host: scsi0 Channel: 00 Id: 00 Lun: 01 Vendor: QUANTUM Model: Scalar i40-i80 Rev: 135G Type: Medium Changer ANSI SCSI revision: 03 # mtx -f /dev/sg0 inquiry mtx: Request Sense: Long Report=yes mtx: Request Sense: Valid Residual=no mtx: Request Sense: Error Code=70 (Current) mtx: Request Sense: Sense Key=Illegal Request mtx: Request Sense: FileMark=no mtx: Request Sense: EOM=no mtx: Request Sense: ILI=no mtx: Request Sense: Additional Sense Code = 25 mtx: Request Sense: Additional Sense Qualifier = 00 mtx: Request Sense: BPV=no mtx: Request Sense: Error in CDB=no mtx: Request Sense: SKSV=no INQUIRY Command Failed # mtx -f /dev/sg1 inquiry mtx: Request Sense: Long Report=yes mtx: Request Sense: Valid Residual=no mtx: Request Sense: Error Code=70 (Current) mtx: Request Sense: Sense Key=Illegal Request mtx: Request Sense: FileMark=no mtx: Request Sense: EOM=no mtx: Request Sense: ILI=no mtx: Request Sense: Additional Sense Code = 25 mtx: Request Sense: Additional Sense Qualifier = 00 mtx: Request Sense: BPV=no mtx: Request Sense: Error in CDB=no mtx: Request Sense: SKSV=no INQUIRY Command Failed On the other server: tape drive (/dev/st0 not even present). Can someone please help? Thanks, - xinhuan

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Discuss February 2012