评估硬盘的读取效率 [root@cnscn~]# hdparm-t/dev/sda/dev/sda:Timingbuffered disk reads:166MBin3.03seconds=54.85MB/sec[root@cnscn~]# hdparm-t/dev/sda/dev/sda:www.2cto.comTimingbuffered disk reads:160MBin3.01seconds=53.11MB/sec[root@cnscn~]# hdparm-t/dev/sda/dev/sda:Timingbuffered disk...
评估硬盘的读取效率[root@cnscn ~]# hdparm -t /dev/sda /dev/sda: Timing buffered disk reads: 166 MB in 3.03 seconds = 54.85 MB/sec [root@cnscn ~]# hdparm -t /dev/sda /dev/sda: www.2cto.com Timing buffered disk reads: 160 MB in 3.01 seconds = 53.11 MB/sec [root@cnscn ~]#...
If you want to see and change hard disk parameters, you can use the "hdparm" command as shown in this tutorial. 1. Get hard disk identification information in a compact format with the "hdparm -i" command. herong$ sudo hdparm -i /dev/sda /dev/sda: Model=WDC WD10EZEX-***, FwRev=...
--drq-hsm-error Crash system with a "stuck DRQ" error (VERY DANGEROUS) --fallocate Create a file without writing data to disk --fibmap Show device extents (and fragmentation) for a file --fwdownload Download firmware file to drive (EXTREMELY DANGEROUS) --fwdownload-mode3 Download firmware ...
root@ubuntu:~# tail -f /var/log/kern.log Jun 1 08:54:32 ubuntu kernel: [ 213.433902] ata7: exception Emask 0x10 SAct 0x0 SErr 0x4050000 action 0xe frozen Jun 1 08:54:32 ubuntu kernel: [ 213.433909] ata7: irq_stat 0x00400040, connection status changed Jun 1 08:54:32 ubuntu...
Some options (e.g. -r for SCSI) may not work with old kernels as necessary ioctl()´s were not supported. Although this utility is intended primarily for use with SATA/IDE hard disk devices, several of the options are also valid (and permitted) for use with SCSI hard disk devices an...
word 128, bit 1 */ "locked" "\0" /* word 128, bit 2 */ "frozen" "\0" /* word 128, bit 3 */ "expired: security count" "\0" /* word 128, bit 4 */ "supported: enhanced erase" /* word 128, bit 5 */ ; // Parse 512 byte disk identification block and print much ...