linux系统hdparm如何查看硬盘信息

本文发布时间: 2019-Mar-22
显示硬盘的相关设置[root@cnscn ~]# hdparm /dev/sda/dev/sda:IO_support = 0 (default 16-bit)readonly = 0 (off)readahead = 256 (on)geometry = 19929[柱面数]/255[磁头数]/63[扇区数], sectors = 320173056[总扇区数], start = 0[起始扇区数].显示硬盘的柱面、磁头、扇区数[root@cnscn ~]# hdparm -g /dev/sda/dev/sda:geometry = 19929[柱面数]/255[磁头数]/63[扇区数], sectors = 320173056[总扇区数], start = 0[起始扇区数].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:Timing buffered disk reads: 160 MB in 3.01 seconds = 53.11 MB/sec[root@cnscn ~]# hdparm -t /dev/sda/dev/sda:Timing buffered disk reads: 166 MB in 3.00 seconds = 55.31 MB/sec.评估硬盘快取的读取效率[root@cnscn ~]# hdparm -T /dev/sda/dev/sda:Timing cached reads: 3784 MB in 2.00 seconds = 1894.60 MB/sec[root@cnscn ~]# hdparm -T /dev/sda/dev/sda:Timing cached reads: 3816 MB in 2.00 seconds = 1909.06 MB/sec[root@cnscn ~]# hdparm -T /dev/sda/dev/sda:Timing cached reads: 3728 MB in 2.00 seconds = 1866.29 MB/sec.检测IDE硬盘的电源管理模式[root@cnscn ~]# hdparm -C /dev/sda/dev/sda:drive state is: standby [省电模式].显示IDE硬盘的内定硬件规格[root@cnscn ~]# hdparm -i /dev/sda.直接检测硬盘的硬件规格[root@cnscn ~]# hdparm -I /dev/sda/dev/sda:ATA device, with non-removable mediaModel Number: Maxtor 6B160M0Serial Number: B404PTJHFirmware Revision: BANC1BM0Standards:Supported: 7 6 5 4Likely used: 7Configuration:Logical max currentcylinders 16383 16383heads 16 16sectors/track 63 63–CHS current addressable sectors: 16514064LBA user addressable sectors: 268435455LBA48 user addressable sectors: 320173056device size with M = 1024*1024: 156334 MBytesdevice size with M = 1000*1000: 163928 MBytes (163 GB)Capabilities:LBA, IORDY(can be disabled)Queue depth: 32Standby timer values: spec’d by Standard, no device specific minimumR/W multiple sector transfer: Max = 16 Current = 16Advanced power management level: unknown setting (0×0000)Recommended acoustic management value: 192, current value: 254DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6Cycle time: min=120ns recommended=120nsPIO: pio0 pio1 pio2 pio3 pio4Cycle time: no flow control=120ns IORDY flow control=120nsCommands/features:Enabled Supported:* NOP cmd* READ BUFFER cmd* WRITE BUFFER cmd* Host Protected Area feature set* Look-ahead* Write cache* Power Management feature setSecurity Mode feature set* SMART feature set* FLUSH CACHE EXT command* Mandatory FLUSH CACHE command* Device Configuration Overlay feature set* 48-bit Address feature set* Automatic Acoustic Management feature setSET MAX security extensionAdvanced Power Management feature set* DOWNLOAD MICROCODE cmd* General Purpose Logging feature set* SMART self-test* SMART error loggingSecurity:Master password revision code = 65534supportednot enablednot lockednot frozennot expired: security countnot supported: enhanced eraseChecksum: correct.检测并设置IDE硬盘的32位I/O模式检测[root@cnscn ~]# hdparm -c /dev/sda/dev/sda:IO_support = 0 (default 16-bit) [默认16位I/O]设置[root@cnscn ~]# hdparm -c 1 /dev/sda.检测并设置IDE硬盘的DMA模式[root@cnscn ~]# hdparm -d /dev/sda/dev/sda:…[root@cnscn ~]# hdparm -d 1 /dev/sda.检测读取文件时,预先存入快取的扇区数[root@cnscn ~]# hdparm -a /dev/sda/dev/sda:readahead = 256 (on).查询并设置硬盘多重扇区存取的扇区数,以增进硬盘的存取效率[root@cnscn ~]# hdparm -m /dev/sda[root@cnscn ~]# hdparm -m 参数值为整数值如8 /dev/sda.将内顾虑缓冲的数据写入硬盘,并清除缓冲区的数据[root@cnscn ~]# hdparm -f /dev/sda


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2024-Mar-04 02:11pm
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