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Unleashing Accelerated Speeds with RAM Drives
02.08.2021
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Lead Image © Vladimir Nenov, 123RF.com
Petros Koutoupis ... , if you invoke the rapiddisk utility to list all RAM drive targets, none should be listed: $ sudo rapiddisk -l rapiddisk 7.2.0 Copyright 2011 - 2021 Petros Koutoupis ** Unable to locate any Rapid
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Building a virtual NVMe drive
25.03.2020
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Lead Image © lassedesignen, 123RF
Petros Koutoupis ... Petros Koutoupis    Attached device rd0 of size 2048 Mbytes Next, create a mapping of the RAM drive to the RAID volume: $ sudo rapiddisk --cache-map rd0 /dev/md0 wa rapiddisk 6.0 Copyright 2011 - 2019
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Tuning ZFS for Speed on Linux
02.06.2020
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Lead Image © Wong Yu Liang, 123RF.com
Petros Koutoupis ... and improvements in the near future. Infos ZFS on Linux: https://zfsonlinux.org/ The Author Petros Koutoupis is currently a senior performance software engineer at Cray for its Lustre
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Rethinking RAID (on Linux)
25.03.2021
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Lead Image © nikkikii, 123RF.com
Petros Koutoupis ... _cache 20480 0 rapiddisk 20480 0 create a single 2GB ramdisk, $ sudo rapiddisk --attach 2048 rapiddisk 6.0 Copyright 2011 - 2019 Petros Koutoupis Attached device rd0 of size 2048 Mbytes verify
99%
Introducing parity declustering RAID
28.11.2022
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Petros Koutoupis ... .html The Author Petros Koutoupis is a senior performance software engineer at Cray (now HPE) for its Lustre High Performance File System division. He is also the creator and maintainer of the RapidDisk Project
99%
Linux device mapper writecache
30.01.2020
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Lead Image © lightwise, 123R.com
Petros Koutoupis ... in the original volume group and mapping it as a cache to other, slower devices on your system. The Author Petros Koutoupis is currently a senior performance software engineer at Cray for its Lustre High
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Detect failures and ensure high availability
22.05.2023
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Photo by Tim Foster on Unsplash
Petros Koutoupis ... ://www.linux-ha.org/wiki/Resource_Agents The Author Petros Koutoupis is currently a senior performance software engineer at Cray (now HPE) for its Lustre High Performance File System division. He is also the creator and maintainer of the Rapid
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When I/O workloads don't perform
02.08.2021
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Lead Image © Viacheslav Iakobchuk, 123RF.com
Petros Koutoupis ... Linux Kernel Archives: http://kernel.org/ Flame graph: https://github.com/brendangregg/FlameGraph The Author Petros Koutoupis is currently a senior performance software engineer
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Lustre HPC distributed filesystem
07.04.2022
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Photo by Efe Kurnaz on Unsplash
Petros Koutoupis ... in this article: https://downloads.whamcloud.com/public/e2fsprogs/latest/el8/RPMS/x86_64 IOR (and MDTest): https://github.com/hpc/ior The Author Petros Koutoupis is currently a senior
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Creating Virtual SSDs
21.01.2020
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rapiddisk 6.0 Copyright 2011 - 2019 Petros Koutoupis   Attached device rd0 of size 2048 Mbytes Next, create a mapping of the RAM drive to the RAID volume: $ sudo rapiddisk --cache-map rd0 /dev/md0 wa

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