Rescan the disks in Linux

root@mktgmysql3:/usr/local/mysql/data.bak# echo "- - -" > /sys/class/scsi_host/host2/scan
root@mktgmysql3:/usr/local/mysql/data.bak# lsscsi
[1:0:0:0]    cd/dvd  NECVMWar VMware IDE CDR10 1.00  /dev/sr0
[2:0:0:0]    disk    VMware   Virtual disk     1.0   /dev/sda
[2:0:1:0]    disk    VMware   Virtual disk     1.0   /dev/sdc
[4:0:0:0]    storage IET      Controller       0001  -
[4:0:0:154]  disk    REDUXIO  TCAS             23    /dev/sdb

EtherChannels in Cisco Nexus 5000

Base on Cisco article  http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli_rel_4_0_1a/EtherChannel.html#wp1115459

interface Ethernet105/1/11
  switchport mode trunk
  switchport access vlan 814
  switchport trunk allowed vlan 814
  no snmp trap link-status
  no logging event port link-status
  channel-group 2000

interface Ethernet105/1/12
  switchport mode trunk
  switchport access vlan 814
  switchport trunk allowed vlan 814
  no snmp trap link-status
  no logging event port link-status
  channel-group 2000

interface port-channel2000
  description Legato bond0 B5
  switchport mode trunk
  switchport access vlan 814
  switchport trunk allowed vlan 814

Opening a kernel profiling

# opreport --merge all cpu:0  -l /root/NC/mybinary  -g |head

How to start compression?

In Data ONTAP 8.1:

sis start /vol/vol1 -U true -C true

How to arrange for keyless SSH

ssh-keygen -t dsa

cat /root/.ssh/id_dsa.pub >> /mnt/toaster0/etc/sshd/root/.ssh/authorized_key

More on NAS management

For an excellent overview of SANs and NAS read O'reilly's own bible type of book. Albeit somewhat outdated, the NAS management chapter does cover important aspects of managing a NAS system, and educates the reader on advanced topics such as CIFS oplocks.

Windows Memory Management

A very interesting article:
RAM, Virtual Memory, PageFile and all that stuff
http://members.shaw.ca/bsanders/WindowsGeneralWeb/RAMVirtualMemoryPageFileEtc.htm