CISCO has launched UCS (unified computing system) few years back and this makes really easy to manage IT environment. CISCO UCS 5k chassis (containing 8 blades), fabric interconnect(6k) and fabric extender (2k) ie FEX make UCS environment where FCOE protocol is used. In a tipical setup, two FEX will be connected to one chassis. Each FEX has 8 Ethernet and 2 FC ports. Two downlink connection will be for single blade, each from FEX. You don't need to manually do cabling. You need to insert FEX module. That's it. This is also called IO...
Sunday, 28 April 2013
CISCO UCS makes easy to manage IT setup and provides optimized usage of resources
Posted on 12:47 by Unknown
Wednesday, 10 April 2013
multipath details on RHEL 6
Posted on 12:58 by Unknown
Guys,I'll mention one default configuration file(/etc/multipath.conf)Environment : RHEL 6 : Default : /etc/multipath.conf [comment should be removed]-------------#multipath.conf#NetApp recommended settingsdefaults{ user_friendly_names yes max_fds max queue_without_daemon no bindings_file "/var/lib/multipath/bindings" uid=500 ...
How to verify UDP packet communication between two linux system?
Posted on 12:13 by Unknown
Guys,Today, I had to check UDP packet communication between linux and a windows system. Main purpose of the windows system was to capturing or receiving syslog data from various linux system on arcsight. Hence, remote log forwarding was enabled on client. Following steps I followed :Sending UDP packets from client :$nc -uv IP_of_system_where_UDP_is_sending port_number_to_which_UDP_is_receivingHelloThis is test UDP packetAre you capturing itPlease let me knowExample :A$ nc 192.1.2.10 514HelloThis...
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