Linux如何查看硬盘型号和缓存

Linux如何查看硬盘型号和缓存 , Linux如何查看硬盘型号和缓存,方法:hdparm -i /dev/sda1 hdparm -i /dev/sda1 /dev/sda1: Model=WDC WD10EACS-00ZJB0 (硬盘型号) , FwRev=01.01B01, SerialNo= WD-WCASJ0976997 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50 BuffType=unknown, BuffSize=16384kB(硬盘缓存), MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 AdvancedPM=no www.ctohome.com WriteCache=enabled Drive conforms to: Unspecified: ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7 * signifies the current active mode [root@host96 www.ctohome.com]# hdparm -i /dev/sda1 /dev/sda1: Model=Hitachi HDT721010SLA360 , FwRev=ST6OA31B, SerialNo= STF604MR2DG61P Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=56 BuffType=DualPortCache, BuffSize=15001kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 AdvancedPM=yes: disabled (255) WriteCache=enabled Drive conforms to: unknown: ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7 * signifies the current active mode linux/centos系统的服务器如何用hdparm测试硬盘性能，测试硬盘速度, [root@host88 www.ctohome.com]# hdparm -tT /dev/sda8 /dev/sda8: Timing cached reads: 8512 MB in 2.00 seconds = 4262.60 MB/sec Timing buffered disk reads: 222 MB in 3.02 seconds = 73.58 MB/sec [root@host96 www.ctohome.com]# hdparm -tT /dev/sda2 /dev/sda2: Timing cached reads: 7684 MB in 2.00 seconds = 3848.10 MB/sec Timing buffered disk reads: 116 MB in 3.15 seconds = 36.82 MB/sec 注意，hdparm -tT 必须要在机器空闲的时候测试才准确，机器繁忙的时候是测不准的。如果 有小于20MB/Sec的结果，那么磁盘的IO性能就不怎么样了。