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тАО09-13-2000 12:50 AM
тАО09-13-2000 12:50 AM
4 REPLIES 4
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тАО09-13-2000 12:53 AM
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тАО09-13-2000 12:55 AM
тАО09-13-2000 12:55 AM
Re: dd to remote tape drive
Notes for the following examples:
Everything under the /relative_path is backed up. If the relative path is /, you
will be doing a full backup.
/tmp/index is an index file of the backup; it can be omitted as can the
verbose -v option.
In order for remsh(1) to work without asking you for a password, either a
.rlogin in the user's home directory on the remote machine or
/etc/hosts.equiv must be properly set up.
Backing up to a tape drive on a remote machine:
Commands to run on the local machine, (the machine without the dds tape drive.
# cd /relative_path
# find . -depth -xdev | cpio -ovxcB 2>/tmp/index |
remsh machinewithDDSdrive -l user "cat - | dd
of=/dev/rmt/0m obs=5k"
To backup across the network on the system that owns the dds tape drive:
# remsh machinetobackup -l user "cd /relative_path ;
find . -depth -xdev | cpio -ovxcB 2>/tmp/index" |
cat - | dd of=/dev/rmt/0m bs=5k
Note: cpio via the network does not support multiple tapes.
Everything under the /relative_path is backed up. If the relative path is /, you
will be doing a full backup.
/tmp/index is an index file of the backup; it can be omitted as can the
verbose -v option.
In order for remsh(1) to work without asking you for a password, either a
.rlogin in the user's home directory on the remote machine or
/etc/hosts.equiv must be properly set up.
Backing up to a tape drive on a remote machine:
Commands to run on the local machine, (the machine without the dds tape drive.
# cd /relative_path
# find . -depth -xdev | cpio -ovxcB 2>/tmp/index |
remsh machinewithDDSdrive -l user "cat - | dd
of=/dev/rmt/0m obs=5k"
To backup across the network on the system that owns the dds tape drive:
# remsh machinetobackup -l user "cd /relative_path ;
find . -depth -xdev | cpio -ovxcB 2>/tmp/index" |
cat - | dd of=/dev/rmt/0m bs=5k
Note: cpio via the network does not support multiple tapes.
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тАО09-13-2000 01:11 AM
тАО09-13-2000 01:11 AM
Re: dd to remote tape drive
Hi Andy and Alex,
thanks for your advise, really appreaciate your prompt reply.
Hi Andy,
If the "if" is from remote, can you correct me the following should work:
remsh dd if= bs=64k | dd of=/dev/rmt/0m bs=64k
YC
thanks for your advise, really appreaciate your prompt reply.
Hi Andy,
If the "if" is from remote, can you correct me the following should work:
remsh
YC
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тАО09-13-2000 01:18 AM
тАО09-13-2000 01:18 AM
Re: dd to remote tape drive
Theres 2 ways to do this, 1 is a `push`, ie from the server you want to backup but to a tape driver on a remote server;
dd if=
OR a `pull`, where you are logged onto the server where the tape drive is located, but want to write to it data from a remote server;
remsh
Im from Palmerston North, New Zealand, but somehow ended up in London...
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