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69%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
276 MB 2.5 GB 2014-03-10 19:49 982a3c 2 # dog vdi tree ntestvm1.img---[2014-02-05 15:04]---[2014-03-01 11:42]---[2014-03-10 19:48]---(you are here) # # qemu-img snapshot -l sheepdog:192
68%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
: (groupid=0, jobs=1): err= 0: pid=7055: Sat Oct 12 19:09:53 2019 write: IOPS=34.8k, BW=136MiB/s (143MB/s)(9.97GiB/75084msec); 0 zone resets [ ... ] Run status group 0 (all jobs): WRITE: bw=136MiB/s (143MB
68%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
             SN                   Model                                    Namespace Usage                      Format           FW Rev ---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- -------- /dev/nvme0n1     152e778212a62015     Linux                                    1         21.00  TB /  21.00  TB     4 KiB +  0 B     5.4.12-0 You are now able to read and write from and to /dev/nvme0n1
68%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- -------- /dev/nvme0n1 152e778212a62015 Linux 1 21.00 TB / 21.00 TB 4 KiB + 0 B 5.4.12-0 You are now able to read and write from and to /dev
68%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
KiB blocks: 79.2 IO/s, 1.2 MiB/s ( 10.4 Mbit/s) 32 KiB blocks: 81.8 IO/s, 2.6 MiB/s ( 21.4 Mbit/s) 64 KiB blocks: 78.0 IO/s, 4.9 MiB/s ( 40.9 Mbit/s) 128 KiB blocks: 76.0 IO/s, 9
68%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
   0.00   0.00    0.00    0.00   0.00     0.00     0.00   0.00   0.00 nvme0n1       2739.00 2747.50  27336.00  10988.50   210.00     0.00   7.12   0.00    0.12    0.02   0.00     9
68%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
 (f=1): [w(1)][100.0%][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=7055: Sat Oct 12 19:09:53 2019   write: IOPS=34.8k, BW=136MiB/s (143MB/s)(9.97GiB/75084msec); 0 zone resets [ ... ] Run
68%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
9 16:32:43 2021 Continue creating array? (y/n) y mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md0 started. Listing 17 Verify 2GB Details $ sudo mdadm --detail /dev
68%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
.06 0.00 30.83 0.26 0.00 9.78 0.67 0.60 nvme0n1 2769.50 2682.00 29592.00 10723.25 241.00 0.00 8.01 0.00 0.11 0.02 0.01 10.68 4.00 0.14 77.60 sdb
67%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25,57 26,58 27,59 28,60 29,61 30,62 31,63 The lstopo tool

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