Karsten Kruse schrieb:
> Would anyone be so kind and run the commands himself,
> maybe with Debian or something with a more recent kernel.
# hdparm -i /dev/sda
/dev/sda:
Model=KingSpec KSM-mSATA.5-016SJ, FwRev=111007, SerialNo=MSA0512030900037
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=31277232
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: disabled (255) WriteCache=enabled
Drive conforms to: Unspecified: ATA/ATAPI-4,5,6,7
* signifies the current active mode
# time dd if=/dev/sda of=/dev/null bs=1M count=1024
1024+0 Datensätze ein
1024+0 Datensätze aus
1073741824 Bytes (1,1 GB) kopiert, 7,54117 s, 142 MB/s
real 0m7.545s
user 0m0.013s
sys 0m4.488s
# sync ; time { dd if=/dev/zero of=/tmp/test.dd bs=1M count=1024 ; sync ; }
1024+0 Datensätze ein
1024+0 Datensätze aus
1073741824 Bytes (1,1 GB) kopiert, 26,4151 s, 40,6 MB/s
real 0m29.974s
user 0m0.021s
sys 0m12.297s
# hdparm -i /dev/sdc
/dev/sdc:
Model=SAMSUNG HN-M101MBB, FwRev=2AR10001, SerialNo=S2R8J9AB703589
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=1953525168
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 udma3 udma4 *udma5 udma6
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: unknown: ATA/ATAPI-0,1,2,3,4,5,6,7
* signifies the current active mode
# time dd if=/dev/sdc of=/dev/null bs=1M count=1024
1024+0 Datensätze ein
1024+0 Datensätze aus
1073741824 Bytes (1,1 GB) kopiert, 10,2349 s, 105 MB/s
real 0m10.239s
user 0m0.017s
sys 0m4.772s
# sync ; time { dd if=/dev/zero of=/mnt/sdc/test.dd bs=1M count=1024 ;
sync ; }
1024+0 Datensätze ein
1024+0 Datensätze aus
1073741824 Bytes (1,1 GB) kopiert, 17,72 s, 60,6 MB/s
real 0m20.513s
user 0m0.011s
sys 0m14.525s
# lspci | grep RAID
0d:00.0 RAID bus controller: Silicon Image, Inc. Device 0242 (rev 01)
# uname -a
Linux daemon 3.4.34-gentoo-net6501 #2 SMP Sun Mar 9 00:27:36 UTC 2014
i686 Genuine Intel(R) CPU @ 1.60GHz GenuineIntel GNU/Linux
--
Regards
*WOL*fgang *S*chricker
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