Isolation
roland brouwers
roland at cat.be
Tue Oct 19 08:46:58 UTC 2004
Hello,
I have an installation of a Linux server Redhat 9.0 in a network
192.168.9.0/24, containing 2 routers. Router-1 connecting to the world
and router-2 connecting to another network, 192.168.1.0/24.
Somehow I cannot connect to the Linux server, neither with ping, telnet
or ftp. From the internet I can connect to server with SSH. If I make a
tunnel VPN with my pc to the router-1, I cannot reach the server, no
ping, no ftp.
What can I do?
thanks
-----Original Message-----
From: redhat-install-list-bounces at redhat.com
[mailto:redhat-install-list-bounces at redhat.com] On Behalf Of Rick
Stevens
Sent: Wednesday, September 15, 2004 7:46 PM
To: Getting started with Red Hat Linux
Subject: Re: backup using tape drive
Toto Gamez wrote:
> Hi
> Im using RH9 on compaq proliant 1600 with 4/8 dat drive. how do I use
my
> tape drive to backup using tar? what device do I have to use, Im kind
a
> lost here, someone told me that tape drives are not usualy mounted
like
> any harddisk. I tried to use "tar cvf /dev/rsa1/test.tat /etc" hoping
> that my scsi1 would be rsa1 just like from what I googled scsi0=rsa1,
> scsi1=rsa1 and also tried sda and sdb. I also found on googled to know
> if my tape drive realy installed issue:
> cat /proc/scsi/scsi
>
> output:
> Host: scsi1 Channel: 00 Id: 06 Lun: 00
> Vendor: COMPAQ Model: SDT-7000 Rev: 3.04
> Type: Sequential-Access ANSI SCSI revision: 02
> please advise
Your tape drive will be identified as /dev/st0 normally. You can check
by doing:
# mt -f /dev/st0 status
That should return the current status of the drive. My HP 4GB DAT shows
up like this:
[root at prophead root]# mt -f /dev/st0 status
SCSI 2 tape drive:
File number=-1, block number=-1, partition=0.
Tape block size 0 bytes. Density code 0x0 (default).
Soft error count since last status=0
General status bits on (50000):
DR_OPEN IM_REP_EN
Now, as to using tar: tar to tape works, but it's pretty dumb. The
simplest form is:
# cd /some/directory
# tar cfpv /dev/st0 *
with /dev/st0 being the tape drive.
I'd highly recommend you use Amanda (comes with RH9) to do your backups.
It's a fully functional backup system and can save you worlds of grief
with backups and restores.
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer rstevens at vitalstream.com -
- VitalStream, Inc. http://www.vitalstream.com -
- -
- Never test for an error condition you don't know how to handle. -
----------------------------------------------------------------------
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