Specifications

Method 2
7. Bring the mirror and dependent filesystem and applications (if any), into service. The bitmap
file will track any changes made while the data is transferred to the target system.
8. Transfer the disk image to the target system using your preferred transfer method.
9. Optional Step – Uncompress the disk image file on the target system:
root@target# gunzip /tmp/sdr_disk.img.gz
10. Optional Step – Verify that the checksum of the image file matches the original checksum
taken in Step 4:
root@target# md5sum /tmp/sdr_disk.img
11. Transfer the image to the target disk, for example, /dev/sda2:
root@target# dd if=/tmp/sdr_disk.img of=/dev/sda2 bs=65536
12. Set LKDR_NOFULL_SYNC=1 in /etc/default/LifeKeeper on both systems:
root@source# echo 'LKDR_NO_FULL_SYNC=1' >>
/etc/default/LifeKeeper
root@target# echo 'LKDR_NO_FULL_SYNC=1' >>
/etc/default/LifeKeeper
13. Extend the mirror to the target. A partial resync will occur.
Method 2
This method can be used if the target system can be easily transported to or will already be at the
source site when the systems are configured. This method consists of temporarily modifying network
routes to make the eventual WAN mirror into a LAN mirror so that the initial full resync can be
performed over a faster local network. In the following example, assume the source site is on subnet
10.10.10.0/24 and the target site is on subnet 10.10.20.0/24. By temporarily setting up static routes
on the source and target systems, the "WAN" traffic can be made to go directly from one server to
another over a local ethernet connection or loopback cable.
Procedure
1. Install and configure the systems at the source site.
2. Add static routes:
root@source# route add -net 10.10.20.0/24 dev eth0
root@target# route add -net 10.10.10.0/24 dev eth0
The systems should now be able to talk to each other over the LAN.
SteelEye Protection Suite for Linux305