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30%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
unused devices: Listing 5 View RAID Details $ sudo mdadm --detail /dev/md0 /dev/md0: Version : 1.2 Creation Time : Sat Jan 9 15:22:29 2021 Raid Level
30%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
           VG       Fmt  Attr PSize   PFree     /dev/nvme0n1 vg-cache lvm2 a--  232.88g 232.88g   /dev/sdb     vg-cache lvm2 a--   <6.37t  <6.37t Say I want to use 90% of the slow disk: I will carve a logical volume labeled slow  from the volume
30%
An army of Xeon cores to do your bidding
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Lucy Baldwin, 123RF.com
Dell Precision Workstation T7910 Power 1,300W CPU 2x Intel Xeon Gold E5-2699 V4, 22 cores, 2.4GHz, 55MB of cache, LGA 2011-3 GPU, NPU n/a* Memory
29%
Cloud Foundry realizes a service mesh
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © lightwise, 123RF.com
cddaa6-0886-44b3-9590-16717d5cd3c2", 20 "service_instance_guid": null, 21 "port": null, 22 "domain_url": "/v2/shared_domains/fb6bd89f-2ed9-49d4-9ad1-97951a573135", 23
29%
Graph database Neo4j discovers fake reviews on Amazon
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Image by Gerd Altmann from Pixabay
five-star reviews that look very similar. The problem is so evident on Amazon that customers rub their eyes in amazement wondering why the online giant doesn't intervene. Graph databases can help
29%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 10 | Acknowledgment Number | 11 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 12 | Data | |U|A
29%
Predicting Drive Doom
20.10.2013
Home »  HPC  »  Articles  » 
Modern drives use S.M.A.R.T. (self-monitoring, analysis, and reporting technology) to gather information and run self-tests. Smartmontools is a Linux tool for interacting with the S.M.A ... ://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Device Model: Samsung SSD 840 Series Serial Number: S19HNSAD620517N LU WWN Device Id: 5 002538 5a005092e Firmware Version: DXT08B0Q User Capacity: 120,034,123,776 bytes ... Modern drives use S.M.A.R.T. (self-monitoring, analysis, and reporting technology) to gather information and run self-tests. Smartmontools is a Linux tool for interacting with the S.M.A ... S.M.A.R.T., Smartmontools, and Drive Monitoring
29%
Processor and Memory Metrics
12.02.2014
Home »  HPC  »  Articles  » 
B       xsettings-kde   ...    12.3 MiB +   2.2 MiB =  14.6 MiB       gedit  22.9 MiB +   4.0 MiB =  26.9 MiB       plasma-desktop  26.4 MiB +   5.7 MiB =  32.1 MiB       konsole (3)  28.3 MiB +   4.4 MiB =  32.7 MiB       kwin 147.9
29%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
the same test with a 44-million sample test, time mpiexec -n 44 mpiPI-44M Figure 4: btop [12] visualizing CPU core activations
29%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
is working, boot the compute node and run timedatectl : $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl                Local time: Sat 2022-12-17 11:31:26 EST            Universal time: Sat 2022-12

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