CHILDWISE
By RUTH LIEW
Fathers leave an indelible mark in their children’s lives.
A FATHER plays a vital role in the family. He is more than just the breadwinner. He is the nurturer who has significant influence on his children’s growth and development. A hands-on father is also a productive worker who sets a positive [...]

[root@x mapper]# dmsetup create sanraw << EOF > 0 204800 linear /dev/sda2 0
> EOF
[root@x mapper]# ls
[root@x mapper]# dmsetup create sanraw << EOF > 0 204800 striped 2 128 /dev/sda2 0 /dev/sda3 0
> EOF
[root@x mapper]# ls
[root@x mapper]# dmsetup ls –tree
sanraw (253:3)
ââ (8:2)
sandisk1 (253:5)
ââ (8:5)
VolGroup00-LogVol02 (253:1)
ââ (3:2)
VolGroup00-LogVol01 (253:2)
ââ (3:2)
VolGroup00-LogVol00 (253:0)
ââ (3:2)
data-datasan1 (253:4)
ââ (8:1)
[root@x mapper]# ls -la /dev/sda*
brw-r—– [...]

Over the past couple of years a flurry of OS Native multipathing solutions have become available. As a result we are seeing a trend towards these solutions and away from vendor specific multipathing software.
The latest OS Native multipathing solution is Device Mappper-Multipath (DM-Multipath) available with Red Hat Enterprise Linux 4.0 U2 and SuSE SLES 9.0 [...]

In a university commencement address several years ago, Brian
Dyson, CEO of Coca Cola Enterprises, spoke of the relation of
work to one’s other commitments:
“IMAGINE LIFE AS A GAME IN WHICH YOU ARE JUGGLING SOME FIVE
BALLS IN THE AIR.
You name them – Work, Family, Health, Friends and Spirit – and
you’re keeping all of these in the [...]

What is voting disk ?
Voting disk is a file that manages information about node membership.
It is located on the shared cluster system or a shared raw device file.
Its primary purpose is to help in a situation where the private network communication fails.
CSS (Cluster Synchronization Service) is the service that determines which [...]