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30%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1420KiB/s][w=355 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=3377: Sat Jan 9 15:31:04 2021 write: IOPS=352, BW=1410Ki
29%
Predicting Drive Doom
20.10.2013
Home »  HPC  »  Articles  » 
_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 117 099 006 Pre-fail Always - 130040264 3 Spin_Up_Time 0x0003 095 095 000 Pre-fail Always - 0 4 Start_Stop_Count 0x
29%
NVDIMM and the Linux kernel
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Denis Dryashkin, 123RF.com
000000000005f000-0x000000000005ffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000060000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0
29%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
/s, 84.4 KiB/s (691.8 kbit/s) 2 KiB blocks: 81.3 IO/s, 162.6 KiB/s ( 1.3 Mbit/s) 4 KiB blocks: 80.2 IO/s, 320.8 KiB/s ( 2.6 Mbit/s) 8 KiB blocks: 79.8 IO/s, 638.4 KiB/s ( 5.2 Mbit/s) 16
29%
NVDIMM Persistent Memory
22.09.2016
Home »  HPC  »  Articles  » 
] usable [    0.000000] BIOS-e820: [mem 0x000000000005f000-0x000000000005ffff] reserved [    0.000000] BIOS-e820: [mem 0x0000000000060000-0x000000000009ffff] usable [    0.000000] BIOS-e820: [mem 0x00000000000a0000
29%
Red Hat Storage Server 2.1
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © avian, 123RF.com
-node cluster with support on weekdays costs no less than 9,000 Euros, while the same cluster with 24x7 support is priced at 14,000 Euros. Realistically, however, no one will operate cloud storage with only two
29%
RADOS and Ceph: Part 2
22.10.2012
Home »  HPC  »  Articles  » 
 not change unnecessarily 027         # weight 1.000 028         alg straw 029         hash 0  # rjenkins1 030         item device1 weight 1.000 031 } 032 host host2 { 033         id -3            # do
29%
SMART storage device monitoring
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Sk Design, Fotolia.com
and Pennsylvania State University examined SSD failures in data centers [3]. Over nearly three years they examined about 500,000 SSDs from five very large data centers and several edge data centers. The drives were
29%
ISC 2024 from a Distance
10.06.2024
Home »  HPC  »  Articles  » 
in gigaflops per watt over time. The first Green500 list was in June 2013. The number 1 system used GPUs even then (NVIDIA K20 with QDR InfiniBand). The energy efficiency was 3,208.8Mflops/W (0.32Gflops
29%
SMART Devices
14.08.2020
Home »  HPC  »  Articles  » 
to some of the various SMART commands. Listing 3: SMART Capabilities # smartctl -c /dev/sda smartctl 7.2 2020-07-11 r5076 [x86_64-linux-5.4.0-42-generic] (CircleCI) Copyright (C) 2002-20, Bruce

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