Monthly Archives: April 2011

1. Please ensure that LUNS are available to the host from multiple paths# powermt display 2. Stop the Application so that there is no i/o issued to Powerpath devices If the application is under VCS control , please offline the … Continue reading →

# powermt check_registration Key ACRT-CFMR-Q2A6-5FFD-O9P3Product: PowerPathCapabilities: Symmetrix CLARiiON # powermt display dev=emcpower10c Pseudo name=emcpower6aSymmetrix ID=000112345676Logical device ID=0029state=alive; policy=SymmOpt; priority=0; queued-IOs=0———– Host ——— – Stor – — I/O Path – — Stats —### HW Path I/O Paths Interf. Mode State Q-IOs … Continue reading →

PowerPath CLI Commands Command                     Description powermt                       Manages a PowerPath environmentpowercf                         Configures PowerPath devicesemcpreg -install        Manages PowerPath liciense registrationemcpminor                 Checks for free minor numbersemcpupgrade             Converts PowerPath configuration files PowerPath powermt commands Command                    Description powermt check       … Continue reading →

rsync works great on production enviroments, We had paravirtualized some servers with these method:  rsync -ave ssh –exclude=/proc –exclude=/sys –exclude=/dev (if you are using udev) root@runingserver:/  /mnt/newserverimage/ after this:  mkdir /mnt/newserverimages/proc  mkdir /mnt/newserverimages/sys  mkdir /mnt/newserverimages/dev  review your fstab, and copy the … Continue reading →

Outline =======  1.  Background 2.  Configuring IPF 3.  Enabling IPF 4.  Common IPF commands   Background ==========  With the release of Solaris 10, ipfilter is now supported.  Before Solaris 10, EFS or SunScreen Lite was the default firewall.  IPfilter is … Continue reading →

The “maxphys” kernel parameter limits the max. I/O size in the SCSI layer.Default is 128k.The “vol_maxio” kernel parameter limits the max. I/O size in the VxVM layer(if installed). Default is 256k.The “md_maxphys” kernel parameter limits the max. I/O size in … Continue reading →

1. logon to emc server 2. search for the host in question and the device group (in this case host4 device group Adat3) # symdg list D E V I C E G R O U P S Number of … Continue reading →

This web page is a quick guide on what to install and how to check that EMC SAN is attached and working Solaris Installing ========================================================== Install Emulex driver/firmware, san packages (SANinfo, HBAinfo, lputil), EMC powerpath Use lputil to update firmware … Continue reading →

You will require the following files before you begin the upgrade: solaris-2.1a18-6.02f-1a.tar lpfc-6.02f-sparc.tar EmlxApps300a39-Solaris.tar   1.Copy configuration files   # cp -p /kernel/drv/lpfc.conf /kernel/drv/lpfc.conf.date   # cp -p /kernel/drv/sd.conf /kernel/drv/sd.conf.date   # cp -p /kernel/drv/st.conf /kernel/drv/st.conf.date   # cp -p /etc/path_to_inst /etc/path_to_inst.date 2.Copy Driver / Firmware updates from … Continue reading →

This document describes how to install a particular HBA on diffferent O/S. AIX To display what HBA’s are installed lscfg lscfg -v -l fcs* To set the configuration you must carry out the following: List HBA WWN and entry on … Continue reading →