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23%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
was the sequential write test using 1MB record sizes: ./iozone -i 0 -c -e -w -r 1024k -s 32g -t 2 -+n > iozone_write_1.out To gather the block statistics, I ran ioprof in a different terminal window before I ran
23%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
on the NVMe drive and verify that the partition has been created: $ sudo parted --script /dev/nvme0n1 mklabel gpt mkpart primary 1MB 100% $ cat /proc/partitions | grep nvme  259        0  244198584 nvme0n1
23%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
mklabel gpt mkpart primary 1MB 100% $ cat /proc/partitions | grep nvme 259 0 244198584 nvme0n1 259 2 244197376 nvme0n1p1 The next step is to create a RAID 5 volume to encompass all
23%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
): 11 12 s = 0.0 13 s += h * f(a) 14 for i in range(1, n): 15 s += 2.0 * h * f(a + i*h) 16 # end for 17 s += h * f(b) 18 return (s/2.) 19 # end def 20 21 22 # Main section 23 comm = MPI
23%
Shell practice: Introduction to the sed stream editor
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Dmitriy Sladkov, 123RF.com
' sed -n 's/Man//gp' textdata.txt 11 Replace 'Iron' with 'Tin' on line 4 cat textdata.txt | sed -n '4s/Iron/Tin/gp' 12 Replace '0' with '089' on all lines containing
23%
Listing 2
01.08.2012
Home »  HPC  »  Articles  »  Warewulf Cluste...  »  Warewulf 3 Code  » 
 
                                                                  | 358 kB     00:00      (4/12): hwloc-1.1-0.1.el6.x86_64.rpm                                                                          | 1.0 MB     00:00      (5/12): libX11-1.3-2.el6.x86_64.rpm
23%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
: 18:59:43 up 2:42, 5 users, load average: 0.05, 0.02, 0.01 n0001: ssh: connect to host n0001 port 22: Connection timed out pdsh@test1: n0001: ssh exited with exit code 255 You can do many other
23%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
100 100 000 Old_age Always – 2456 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always
23%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
:* LISTEN 4766/hiawatha tcp 0 0 127.0.0.1:10000 0.0.0.0:* LISTEN 944/perl tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 676/sshd
23%
Storage across the network with iSCSI and Synology DiskStation Manager
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Vladimir Nenov, 123RF.com
will show you how to integrate a Synology DiskStation storage device with a Debian v12 "bookworm" environment. I assume you have already purchased drives and a NAS enclosure, and you already have a working ... The iSCSI protocol lets you access block storage across a network connection. We show you how to connect a Debian 12 system with a Synology storage device over iSCSI.

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