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10.09.2012
,1345926291,/opt/cluster_tools/modules,load,compilers/open64/5.0
Aug 25 16:24:53 test1 laytonjb: Environment_Modules,500,500,1345926293,/opt/cluster_tools/modules,list,
Aug 25 16:25:01 test1 laytonjb: Environment
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02.08.2021
Random Write
$ sudo fio --bs=4k --ioengine=libaio --iodepth=32 --size=500m --direct=1 --runtime=60 --filename=/dev/sdf --rw=randwrite --numjobs=1 --name=test
test: (g=0): rw=randwrite, bs=(R) 4096B
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19.06.2013
benchmark, one needs to increase the performance by a factor of 50. Note that Simon suggests that we all agree that Exascale is number 1 on the TOP500 list with an R
max > 1 exaFLOPS. He also notes that just
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07.11.2023
PVs, /dev/sdb1
and /dev/sdd
, are used to create a linear VG named vg0
with default extents of 4MiB:
# vgcreate vg0 /dev/sdb1 /dev/sdd
The first PV, /dev/sdb1
, has 125,000 extents (500,000Mi
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06.10.2022
from client to server, but the reverse is also possible (-R option), sending data in the opposite direction to validate asymmetric network paths (see the "Hot-Potato Routing" box). Here, I have set up
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12.05.2021
Rate: 7200 rpm
Form Factor: 3.5 inches
Logical Unit id: 0x6000c500a7b3ceeb0000000000000000
Serial number: ZKL00CYG0000G925020A
Device type: disk
Transport protocol: SAS (SPL-3
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02.08.2021
).
Listing 4
smartctl on SAS Drive
$ sudo smartctl -a /dev/sdc
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.4.0-66-generic] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www
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on the iSCSI network, reaching a total of 500MBps.
At 500MBps, the going would start to get tough, even for SATA 3.0 (and even older versions running at 150 and 300MBps would have long since given up
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09.12.2019
default value is 500.
#
# Input, real DT, the time step.
# A value of 0.1 is large; the system will begin to move quickly but the
# results will be less accurate.
# A value of 0.0001 is
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30.01.2020
.
#
# Input, integer STEP_NUM, the number of time steps.
# A value of 500 is a small but reasonable value.
# The default value is 500.
#
# Input, real DT, the time step.
# A value of 0.1 is large
