Feb
23
2011
I’ve noticed backups are getting slower and slower over time going from 500 to 2500MB/min throughput. I run backups on 2 dedicated RAID0 disks hosted on a iSCSI MSA array first, and duplicate them on tapes. Since I want to use the same array for a new database project, I want to measure and tune [...]
Tags: 2003 server, Array, HP, iSCSI, linux, MSA, performance, redhat, SAN, Storage, Windows
Jan
14
2011
Here are a few steps to configure iSCSI disks on Linux. Although I set this up on a Redhat Enterprise 5.5 connected to an HP MSA 2012i, the whole configuration remains generic and can be applied to any SAN. I will add another post to check how both Linux and Windows perform on the same [...]
Tags: failover, HP, iSCSI, linux, load-balance, LVM, MSA, multipath, redhat, SAN, Storage
Dec
19
2009
All systems need bridge-utils package installed either with yum or apt-get. Redhat / Fedora Edit each network interface startup file that is going to be added to the bridge [root@redhat ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 HWADDR=00:C0:4F:44:41:8A ONBOOT=yes BRIDGE=br0 And create the bridge configuration file [root@redhat ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0 DEVICE=br0 TYPE=Bridge BOOTPROTO=static BROADCAST=192.168.0.255 IPADDR=192.168.0.100 NETMASK=255.255.255.0 [...]
Tags: bridge, debian, fedora, linux, network, redhat, Startup, ubuntu