Erinevus lehekülje "Vahendid kettatestiks" redaktsioonide vahel
Allikas: Kuutõrvaja
(→dd) |
|||
| 4. rida: | 4. rida: | ||
# dd if=/dev/sda of=/dev/null bs=1024k count=1000 | # dd if=/dev/sda of=/dev/null bs=1024k count=1000 | ||
| − | + | ||
1000+0 records in | 1000+0 records in | ||
1000+0 records out | 1000+0 records out | ||
Redaktsioon: 14. september 2009, kell 14:38
dd
Alustuseks kõige lihtsam lugemise ja kirjutuskiiruse testimise utiliit
# dd if=/dev/sda of=/dev/null bs=1024k count=1000 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 17.0656 s, 61.4 MB/s
Linux hdparm
# hdparm -tT /dev/sda /dev/sda: Timing cached reads: 8688 MB in 2.00 seconds = 4349.14 MB/sec Timing buffered disk reads: 174 MB in 3.00 seconds = 57.91 MB/sec
Bonnie
Kirjutus ja lugemistestid
# /usr/local/bin/bonnie
File './Bonnie.81484', size: 104857600
Writing with putc()...done
Rewriting...done
Writing intelligently...done
Reading with getc()...done
Reading intelligently...done
Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done...
-------Sequential Output-------- ---Sequential Input-- --Random--
-Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
100 163734 81.9 280862 22.1 384488 57.6 127538 97.3 2539304 98.2 214041.1 253.4
