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30%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
 ./smg2000 -n 90 90 90" [openss]: pcsamp experiment using the pcsamp experiment default sampling rate: "100". [openss]: Using OPENSS_PREFIX installed in /home/jeg/chaos_4_x86_64_ib/opt/OSS-mrnet [openss
30%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Franck Boston, fotolia.com
immediately notice about this device is its excellent equipment, with USB 3.0 (4x plus 4x USB2.0!), eSATA, and HDMI, optional 10Gb Ethernet (PCI Express slot), and a Sandy Bridge processor. You can retrofit
30%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
_record 13 14 counter_limit = 2000 15 16 ierr = -1 17 open(unit=8, file="test.bin", status="replace", & 18 action="readwrite", form="unformatted", & 19 iostat=ierr) 20
30%
Desktop Blades (of Glory)
06.05.2024
Home »  HPC  »  Articles  » 
(different from Raspberry Pi), and 2.5 or 10 Gigabit Ethernet (GbE). The card is 60x69.6mm (about 2.4x2.84 inches), which makes it a little taller than a credit card and a bit over 1U (Figure 4
30%
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
Attaching an iSCSI Device $ uname -a Linux DANSBOX 6.8.0-35-generic #35-Ubuntu SMP PREEMPT_DYNAMIC Mon May 20 15:51:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux $ lsblk NAME MAJ:MIN RM SIZE RO TYPE
30%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
port Capture packets coming from or going to a port or a range of ports. # tcpdump port 21# tcpdump port 20-25 AND (&& or and)OR (|| or or)EXCEPT (! or not) Combine
29%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
100 --- Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 --- Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 --- Old
29%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
_record; 14 int counter_limit; 15 16 counter_limit = 100; 17 18 for ( counter=1; counter <= counter_limit; counter++) 19 { 20 my_record.x = counter; 21 my_record.y = counter + 1
29%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
   100   100   ---    Old_age   Offline      -       0 199 UDMA_CRC_Error_Count    0x003e   200   200   ---    Old_age   Always       -       0 240 Head_Flying_Hours       0x0000   100   253   ---    Old
29%
SMART storage device monitoring
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Sk Design, Fotolia.com
, use the -P show option (Listing 2). Listing 2 Device Details # smartctl -P show /dev/sda smartctl 7.2 2020-07-11 r5076 [x86_64-linux-5.4.0-42-generic] (CircleCI) Copyright (C) 2002-20

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