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14%
Storage protocols for block, file, and object storage
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo Johannes Plenio on Unsplash
the SCSI overhead. For example, command queuing in SCSI supports only one queue for I/O commands, whereas NVMe allows up to 64,000. Each queue, in turn, can service up to 64,000 commands simultaneously
14%
Automation with Chef
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Pablo Bustos on Unsplash
is constantly being developed by an active community and Chef itself. The portfolio now includes 4,000 freely usable cookbooks for the configuration of software and several hundred plugins and additional tools
14%
News for Admins
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
 
. The median total compensation for IT professionals this year was $130,000, compared with $125,000 in 2023. Unfortunately, a breakdown of salaries by gender shows that the median salary for women was only $123
14%
Flexible backup for large-scale environments
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by Nils Bouillard on Unsplash
to three collections of hard drives (just a bunch of disks, JBODs). Each array comprises 90 SAS2 disks connected by several controllers, each with a capacity of 12TB. ZFS ensures the required filesystem
14%
Get to know Azure Files and Azure File Sync
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © moovstock, 123RF.com
with up to 1,000 input/output operations per second (IOPS). Besides file shares, this type of account offers blob containers, queues, and tables as storage resources and supports locally redundant (LRS
14%
Defining measures
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Lars Kienle on Unsplash
, IOPS are reported as a plain number (e.g., 100,000). Because IOPS has no standard definition, the number is meaningless because it does not define the payload size. However, over time, an "accepted
14%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
, or distributing the monitoring tool over multiple servers. An enterprise variant is also available. Depending on the feature set, it costs between US$ 10,000 and 50,000, although the Community Edition is fine
14%
Overview of cloud platforms and appliances
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Athiphan Chunmano, 123RF
than 7,000 Amazon Machine Images (AMIs) in recent years, and you can use them to set up new servers in the cloud. The AMI library has grown historically, like the whole Amazon Cloud platform
14%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) ... ... write 1835.22 1835.22 1835.22 0.00 28.68 28.68 28.68 ** ... StdDev Mean
14%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
it through a ping test. The routing table, as defined in line 12, is only present in the ns1 namespace. With /etc/netns/ns1, $ mkdir -pv /etc/netns/ns1 mkdir: created directory ?/etc/netns? mkdir: created

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