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21%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
creates a 256MB file in the current directory along with process for the job. This process reads complete file content in random order. Fio records the areas that have already been read and reads each area
20%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
-o pe_start # vgcreate RaidVolGroup00 /dev/sdx # lvcreate --extents 100%VG --name RaidLogVol00 RaidVolGroup00 # mkfs -t ext3 -E stride=32 -m 0 -O dir_index,filetype,has_journal,sparse_super /dev
20%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
of read requests issued to the device per second. w/s : Number of write requests issued to the device per second. rMB/s : Number of megabytes read from the device per second. wMB/s : Number
20%
Podman for Non-Root Docker
05.08.2024
Home »  HPC  »  Articles  » 
 months ago  28.5 kB quay.io/centos/centos          latest      300e315adb2f  3 years ago    217 MB testuser@laytonjb-MINI-S:~$ podman pull alpine Resolved "alpine" as
20%
Creating a private Docker registry
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Photo by Dayne Topkin on Unsplash
: Pull complete 3db6272dcbfa: Pull complete Digest: sha256:8be26f81ffea54106bae012c6f349df70f4d5e7e2ec01b143c46e2c03b9e551d Status: Downloaded newer image for registry:2 docker.io/library/registry:2
20%
Free Enterprise Backup with Bareos
12.11.2013
Home »  Articles  » 
) project. This project’s approach is twofold. Installed on the system to be backed up, the command sudo /usr/sbin/rear -v mkrescue creates a rescue system ISO file of about 60MB, including the active
20%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
"creating" $vmname 09 10 virsh suspend rhstorage 11 virt-clone -o rhstorage -n $vmname -f /var/lib/libvirt/images/$vmname.qcow 12 virsh resume rhstorage 13 14 oldmac="52:54:00:B4:DF:EB" 15 newmac
20%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
filesystem (AFS) is another network filesystem that is available in a free implementation, OpenAFS [3]. On the other hand are cluster filesystems. Before computers can access "distributed" data, they first
20%
Acquiring a Memory Image
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © lightwise, 123RF.com
platform, insert the Examiner USB stick and make sure it shows up as loaded (Figure  2). Next, start the executable on the F-RESPONSE Examiner USB stick (Figure 3), $ ./f-response-tacex-lin.exe -s 192
20%
Even benchmarks can be easy to handle
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
. You can create memory pressure in the system by launching eight RAM hogs: stress -m 8 --verbose These tasks malloc 256MB and touch a byte every 4096 bytes, which dirties each memory page and forces

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