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15%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
@maibutter:~# df -h / Filesystem Size Used Avail Use% Mounted on /dev/m/maibutter-root 60G 4.8G 47G 10% / The number of replicas of a file on RAID 1 and of a stripe on RAID 10 is always two, regardless
15%
Exploring the most famous performance tool
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Lucy Baldwin, 123RF.com
this problem on account of sharing a host with fewer neighbors. Single root I/O virtualization (SR-IOV) support (enhanced networking) increases storage and network I/O bandwidth, helping to minimize any noise
15%
Hybrid public/private cloud
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Photo by JJ Ying on Unsplash
.0.2.25 ansible_ssh_user=root logstash=1 kibana=1 masternode=1 grafana=1 do_ela=1 10.0.2.26 ansible_ssh_user=root masternode=0 do_ela=1 10.0.2.44 ansible_ssh_user=root masternode=0 do_ela=1 Host 10
15%
RADOS and Ceph: Part 2
22.10.2012
Home »  HPC  »  Articles  » 
rack straw 2 root straw 0 The --num_osds 6 parameter specifies that the cluster has six individual storage devices at its disposal. The --build option introduces a statement with three three
15%
The RADOS object store and Ceph filesystem: Part 2
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kateryna Pruchkovska, 123RF.com
map for a setup consisting of six OSDs (i.e., individual storage devices in servers) distributed over three racks: crushtool --num_osds 6 -o crush.example.map --build host straw 1 rack straw 2 root
15%
Roll out hybrid clouds with Ansible  automation
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © markovka, 123RF.com
- "files/*" 38 39 - name: ccd-dir 40 become: true 41 become_method: sudo 42 file: 43 dest: /etc/openvpn/ccd 44 state: directory 45 mode: 0755 46 owner: root 47 group: root 48 49
15%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
Sometimes, the easiest and quickest way to determine the root cause of a slow drive is to check its local logging data. The method by which this log data is stored will differ by the drive type
15%
OrientDB document and graph database
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Victoria, Fotolia.com
root user. Although this completes the installation, the database administrator (DBA) will want to configure the database via SSL for a production installation, because the data and passwords
15%
Environment Modules Using Lmod
08.08.2018
Home »  HPC  »  Articles  » 
compiler (4.8, 5.4, 6.2, 7.3, and 8.1), the latest Intel compiler, the last three community versions of the PGI compilers, three versions of MPICH (3.2.1, 3.1.4, and 3.1), and three versions of Open MPI (2
15%
Environment Modules Using Lmod
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Federico Caputo, 123RF.com
), more flexibility (tools that match a specific case), or ease of environment configuration. To explain a little deeper, assume you have five versions of the GCC compiler (4.8, 5.4, 6.2, 7.3, and 8

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