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18%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
(Listing 3). Listing 3 Defining Replication Factors 01 # dog vdi list 02 Name Id Size Used Shared Creation time VDI id Copies Tag 03 one.img 0 4.0 MB 0.0 MB 0.0
18%
Monitoring NFS Storage with nfsiostat
12.03.2013
Home »  HPC  »  Articles  » 
_nor/s rMB_dir/s wMB_dir/s rMB_svr/s wMB_svr/s ops/s rops/s wops/s 192.168.1.250:/home 1230649.19 1843536.81 0.00 0.00 1229407.77 1843781
18%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
] test: (groupid=0, jobs=1): err= 0: pid=1225: Sat Oct 12 19:20:18 2019 write: IOPS=168k, BW=655MiB/s (687MB/s)(10.0GiB/15634msec); 0 zone resets [ ... ] Run status group 0 (all jobs): WRITE: bw=655Mi
18%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
was the sequential write test using 1MB record sizes: ./iozone -i 0 -c -e -w -r 1024k -s 32g -t 2 -+n > iozone_write_1.out To gather the block statistics, I ran ioprof in a different terminal window before I ran
18%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
Home »  HPC  »  Newsletter  »  2012-02-15 HPC...  » 
 
2 0 0 0 0 0 2 256KB < < 512KB 2 2 2 3 2 2 2 3 512KB < < 1MB 3 2 2
18%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
2 0 0 0 0 0 2 256KB < < 512KB 2 2 2 3 2 2 2 3 512KB < < 1MB 3 2 2
18%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
Jobs: 1 (f=1): [w(1)][100.0%][w=654MiB/s][w=167k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1225: Sat Oct 12 19:20:18 2019   write: IOPS=168k, BW=655MiB/s (687MB/s)(10.0GiB/15634msec); 0
18%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
B blocks: 21665.1 IO/s, 169.3 MiB/s ( 1.4 Gbit/s) 16 KiB blocks: 13364.2 IO/s, 208.8 MiB/s ( 1.8 Gbit/s) 32 KiB blocks: 7621.1 IO/s, 238.2 MiB/s ( 2.0 Gbit/s) 64 KiB blocks: 4162.3 IO/s, 260.1 Mi
18%
Baselines are more important than  the  benchmark
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © Lucy Baldwin, 123RF.com
rd_size=524288 root@focal:~# ls /dev/ram0 /dev/ram0 root@focal:~# fallocate -l 2M header.img root@focal:~# echo -n "not a secure passphrase" | cryptsetup luksFormat -q /dev/ram0 --header header
18%
Using rsync for Backups
07.01.2014
Home »  Articles  » 
 
[laytonjb@home4 TEST]$ rsync -a -delete /home/laytonjb/TEST/SOURCE/ backup.0/ [laytonjb@home4 TEST]$ ls -s total 20 4 backup.0/ 4 backup.1/ 4 backup.2/ 4 backup.3/ 4 SOURCE/ [laytonjb@home4 TEST]$ du -sh 28M

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