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- hdparm -i /dev/sda
- /dev/sda:
- Model=WDC WD3200BPVT-22JJ5T0, FwRev=01.01A01, SerialNo=WD-WXR1EB0ZDH64
- Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
- RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50
- BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=16
- CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=625142448
- 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 udma3 udma4 udma5 *udma6
- AdvancedPM=yes: unknown setting WriteCache=enabled
- Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7
- * signifies the current active mode
- hdparm -Tt /dev/sda
- /dev/sda:
- Timing cached reads: 1392 MB in 2.00 seconds = 695.26 MB/sec
- Timing buffered disk reads: 274 MB in 3.01 seconds = 91.04 MB/sec
- dd if=/dev/zero of=/tmp/output bs=8k count=100k
- 102400+0 records in
- 102400+0 records out
- 838860800 bytes (839 MB, 800 MiB) copied, 1.54918 s, 541 MB/s
- dd if=/tmp/output of=/home/hxss/out
- 1638400+0 records in
- 1638400+0 records out
- 838860800 bytes (839 MB, 800 MiB) copied, 15.4747 s, 54.2 MB/s
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