Quantum 2.4.1 manual Smp

Page 21

Operating System/

 

Description

Component Affected

 

 

 

 

 

Linux

StorNext FS is shipped as separate, installable versions for the

 

Uniprocessor (up) and Multiprocessor (smp) Linux kernel versions. You

 

need to select the correct kernel version of StorNext FS. Otherwise you will

 

encounter problems during installation and while running the product.

 

Use the uname -vcommand to determine the running version of Linux.

 

The version includes the string smp for multi-processor kernels.

 

• For up kernels, the StorNext FS RPM files for the server and client code

 

 

must have up in the RPM file name.

 

• For smp kernels, the StorNext FS RPM files for the server and client code

 

 

must have smp in the RPM file name.

 

The following are examples of Linux RPM file names for up and smp

 

kernels.

 

up:

 

 

cvfs-client_7.1_2417up-2.1.1-63.i386.rpm

 

 

cvfs-server_7.1_2417up-2.1.1-63.i386.rpm

 

smp:

 

 

cvfs-client_7.1_2418smp-2.1.1-63.i386.rpm

 

 

cvfs-server_7.1_2418smp-2.1.1-63.i386.rpm

 

 

 

On many versions of Linux, the cron system runs a nightly script called

 

slocate.cron that is used to build a database used by the slocate

 

command. If StorNext file systems are mounted, they will be traversed by

 

this cron job which can have a dramatic impact on the performance of other

 

applications currently using these file systems. To prevent cron from

 

traversing StorNext file systems, two files need to be updated. Perform

 

these steps:

 

1

Modify the updatedb command in the /etc/cron.daily/slocate.cron file to

 

 

read:

 

 

/usr/bin/updatedb -f

 

 

"cvfs,nfs,smbfs,ncpfs,proc,devpts" -e

 

 

"/tmp,/var/tmp,/usr/tmp,/afs,/net"

 

 

NOTE: "cvfs" has been added to the exclude list.

 

2

Add cvfs to the PRUNEFS definition in the /etc/updatedb.conf file.

 

 

For example:

 

 

PRUNEFS="cvfs devpts NFS nfs afs proc smbfs autofs

 

 

auto iso9660"

 

 

 

September 2004, ADIC

21

Image 21
Contents Release Notes Purpose of this Release ContentsDAS and Scalar DLC Network-Attached Libraries Special Configuration RequirementsAcsls Attached Libraries DAS Attached LibrariesUsing StorNext with Xsan Library/Filesystem/Xsan/bin/cvadminMount -t acfs fsname /Volumes/fsname Component Description Certified System ComponentsSystem Requirements StorNext FS RequirementsSystem/Component Requirement Operating System Level Requirements StorNext Storage Manager RequirementsStorNext Management Suite Requirements 64-bit Upgrade Instructions Upgrading to SnmsUpgrading to StorNext FS Usr/adic/TSM/exec/tdlmBackup Upgrade PrerequisitesPkgrm ADICcvfs Cat /usr/adic/www/conf/cvfsmountpoints grep cvfs /etc/fstabRequired to recover any migrated data Usr/adic/TSM/exec/fsconfig -i drivealiasUpgrading to Rhel Usr/adic/bin/adiccontrol stopPost-Upgrade Tasks Upgrading Snms on Irix Ignore device devicenameDev/rmt/tps0d6nrv Known Issues CommandSnfsdefrag command Chmod, chown, and chgrp Readdir commandFsnameservers tab GetByHostName failureResolved Issues Operating Service Request Description System NumberInst.StorNext, no changes made to the /kernel/drv Adiccontrol stop snms Adiccontrol restartAdiccontrol start snms Adiccontrol fullstopOperating Service Request Description System Number Operating System Description Component Affected LimitationsSmp Immediately when deleted check box Click Configure drives independentlyType d -fstype cvfs -prune -o Find $dir -type d -fstype cvfs -prune -o -type fDocument Number Document Title DocumentationSeptember 2004, Adic

2.4.1 specifications

Quantum 2.4.1 is an exciting update in the realm of quantum computing frameworks, designed to enhance the capabilities and accessibility of quantum programming for developers and researchers. This version builds on its predecessors by introducing several significant features and improvements that streamline the quantum development process.

One of the standout features of Quantum 2.4.1 is its enhanced simulation capabilities. The new simulation backend allows developers to run quantum algorithms on classical hardware with greater efficiency, making it easier to prototype and test quantum circuits. This feature is particularly beneficial for researchers who wish to experiment with quantum algorithms without requiring access to expensive quantum hardware.

Additionally, Quantum 2.4.1 introduces an upgraded library of quantum algorithms, which now includes implementations for various state-of-the-art algorithms such as Grover's Algorithm and the Quantum Fourier Transform. This extensive library not only provides ready-to-use components for developers but also serves as a valuable educational resource for those new to quantum computing.

The user interface has also seen significant improvements. Quantum 2.4.1 offers a more intuitive graphical user interface (GUI) that simplifies the process of building and testing quantum circuits. The drag-and-drop functionality allows users to visually assemble circuits, making quantum programming more accessible to beginners.

Moreover, Quantum 2.4.1’s support for hybrid algorithms has been expanded. Hybrid algorithms combine classical and quantum computing techniques to solve complex problems more efficiently. This version enhances integration with classical programming languages, making it easier for developers to build applications that leverage both classical and quantum resources.

Security is another area of focus in the 2.4.1 release. Enhanced protocols for quantum communication and error-correction techniques provide improved data integrity and security for quantum operations. This is crucial as the interest in quantum communication technology grows, driven by the need for secure communication channels in a digital landscape increasingly vulnerable to cyber threats.

Furthermore, the framework is built upon a modular architecture, allowing developers to easily extend and customize components. This flexibility encourages innovation and further experimentation within the quantum computing community.

In summary, Quantum 2.4.1 represents a significant leap forward in quantum programming, with its robust simulation capabilities, expanded algorithm library, improved user interface, hybrid computing support, enhanced security measures, and modular design. These characteristics make it a valuable tool for advancing research and application development in the burgeoning field of quantum computing. As the landscape evolves, Quantum 2.4.1 is well-positioned to support the next wave of breakthroughs in this transformative technology.