Technological

Understanding how Data ONTAP implements an iSCSI network

What iSCSI is The iSCSI protocol is a licensed service on the storage system that enables you to transfer block data to hosts using the SCSI protocol over TCP/IP. The iSCSI protocol standard is defined by RFC 3720 (http://www.ietf.org/). In an iSCSI network, storage systems are targets that have storage target devices, which are referred to as LUNs (logical units). A host with an iSCSI host bus adapter (HBA), or running iSCSI initiator software, uses the iSCSI protocol to access LUNs on a storage system. The storage system does not have a hardware iSCSI HBA. The iSCSI protocol is implemented […]

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Unix Technologies

Setting up SEC Suppress Rules

Steps involved in setting up new or modifying existing SEC rules: rsh master cd /u/gunnalag/cvs/lib cvs update -APd sec.messages     #Updates changes if any vi sec.messages                  #Modify file as per requirement cat -evt sec.messages | more     #Shows line end char. Modified lines should end with $ cvs diff -u sec.messages         #Shows diff b/w local repository and prod copy cvs commit sec.messages          #cvs commit -m " " sec.messages gmake check gmake install gmake dist sec.messages          #Updates file on all servers Sample Sec messages File Index: sec.messages =================================================================== RCS file: /src/local/repository/lib/sec.messages,v retrieving revision 1.18 diff -u -r1.18 sec.messages — sec.messages    12 Feb 2009 […]

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Unix Technologies

CVS

Resources: http://ximbiot.com/cvs/wiki/index.php?title=CVS_FAQ#General_Repository_Administration http://cvsbook.red-bean.com/cvsbook.html#update http://www.cs.utah.edu/dept/old/texinfo/cvs/cvs_18.html#SEC74 Checking out a new branch to local: set repository directory as the CVSROOT      gunnalag@TestSun2:/u/gunnalag> setenv CVSROOT master.site2:/src/local/repository cd to the required folder. In case if you are updating sub-folder under existing hierarchy.    Example to add /dev folder under /u/gunnalag/cvs/Windows/software/ folder    1. just create a temp folder "test"    2. setenv CVSROOT master.site2:Windows/software    3. run "cvs checkout dev" or "cvs checkout dev/int" for it’s subfolder then perform the cvs checkout of required module.     Example: if I want to checkout mail tree from /src/local/repository/Windows/ directory.     Then    cd">gunnalag@TestSun2:/u/gunnalag>cd cvs/proj/   cvs">gunnalag@master:/u/gunnalag/cvs/Windows>cvs checkout […]

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