Hi
I have problem with SATA disks at my Sunfire v245 and its lsi controller they are very slow.
So I test it with dd and while dd in a nother terminal i see dstat results of sda:
Copy from ramdisk to sda.
=== Test ext4 ===
DD
root@outpost:/ramdisk# dd if=debian-7.4.0-sparc-netinst.iso of=/root/test.dd
353344+0 records in
353344+0 records out
180912128 bytes (181 MB) copied, 24.6384 s, 7.3 MB/s
Dstat:
----total-cpu-usage---- --dsk/sda-- ---io/sda--
usr sys idl wai hiq siq| read writ| read writ
1 0 100 0 0 0| 0 0 | 0 0
0 0 100 0 0 0| 0 0 | 0 0
2 1 97 0 0 0| 0 0 | 0 0
1 5 94 0 0 0| 0 0 | 0 0
7 43 50 0 0 0| 0 0 | 0 0
7 43 50 0 0 0| 0 0 | 0 0
10 40 50 0 0 0| 0 0 | 0 0
12 45 41 3 0 0| 0 0 | 0 0
6 42 36 17 0 1| 0 512k| 0 1.00
0 0 0 99 0 0| 0 4096k| 0 8.00
0 2 0 98 0 0| 0 5120k| 0 10.0
0 1 0 99 0 0| 0 7680k| 0 15.0
1 0 0 100 0 0| 0 5632k| 0 11.0
0 0 0 99 0 0| 0 7168k| 0 14.0
1 1 0 99 0 0| 0 6656k| 0 13.0
0 0 0 100 0 0| 0 6144k| 0 12.0
1 0 0 100 0 0| 0 7680k| 0 15.0
0 1 22 78 0 0| 0 4608k| 0 9.00
0 0 50 50 0 0| 0 3072k| 0 6.00
1 0 50 50 0 1| 0 7168k| 0 14.0
1 1 50 49 0 0|4096B 5120k|1.00 10.0
0 0 50 50 0 0| 0 8704k| 0 17.0
0 0 50 49 0 0| 0 7680k| 0 15.0
0 1 50 50 0 0| 0 7168k| 0 14.0
1 0 49 49 0 0| 0 7168k| 0 14.0
1 0 50 50 0 0| 0 7680k| 0 15.0
0 0 50 50 0 0| 0 7168k| 0 14.0
0 0 50 50 0 0| 0 2560k| 0 5.00
0 1 30 69 0 0| 0 3624k| 0 8.00
1 0 0 99 0 0| 0 4100k| 0 9.00
0 0 0 100 0 0| 0 5632k| 0 11.0
0 0 0 99 0 0| 0 3584k| 0 7.00
1 0 0 100 0 0| 0 4608k| 0 9.00
0 0 0 99 0 1| 0 5120k| 0 10.0
1 0 4 96 0 0| 0 2560k| 0 6.00
0 0 50 50 0 0| 0 3072k| 0 6.00
0 0 49 50 0 0| 0 5120k| 0 10.0
1 0 50 50 0 0| 0 5120k| 0 10.0
0 0 50 50 0 0| 0 4096k| 0 8.00
1 0 50 50 0 0| 0 5120k| 0 10.0
0 0 50 50 0 0| 0 5120k| 0 10.0
0 1 57 42 0 0| 0 1125k| 0 17.0
0 0 100 0 0 0| 0 0 | 0 0
1 0 100 0 0 0| 0 0 | 0 0
1 0 100 0 0 0| 0 0 | 0 0
0 0 100 0 0 0| 0 0 | 0 0
0 0 100 0 0 0| 0 0 | 0 0
-------------------------------------------------------------------------------
Information:
Kernel 3.13.5 (stable release)
Debian7 (stable)
hdparm v9.39
Controller
LSI SAS1064
cat /proc/mpt/ioc0/info
ioc0:
ProductID = 0x2701 (LSISAS1064 A3)
FWVersion = 0x01080400
MsgVersion = 0x0105
FirstWhoInit = 0x00
EventState = 0x00
CurrentHostMfaHighAddr = 0x00000000
CurrentSenseBufferHighAddr = 0x00000000
MaxChainDepth = 0x60 frames
MinBlockSize = 0x20 bytes
RequestFrames @ 0xfffffc137f602800 (Dma @ 0x00000000c000a800)
{CurReqSz=128} x {CurReqDepth=511} = 65408 bytes ^= 0x10000
{MaxReqSz=128} {MaxReqDepth=511}
Frames @ 0xfffffc137f600000 (Dma @ 0x00000000c0008000)
{CurRepSz=80} x {CurRepDepth=128} = 10240 bytes ^= 0x2880
{MaxRepSz=0} {MaxRepDepth=511}
MaxDevices = 63
MaxBuses = 1
PortNumber = 1 (of 1)
cat /proc/mpt/version
mptlinux-3.04.20
Fusion MPT base driver
Fusion MPT SAS host driver
Fusion MPT ioctl driver
-------------------------------------------------------------------------------
Hdparm Information:
hdparm -I /dev/sda
/dev/sda:
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ATA device, with non-removable media
Standards:
Likely used: 1
Configuration:
Logical max current
cylinders 0 0
heads 0 0
sectors/track 0 0
--
Logical/Physical Sector size: 512 bytes
device size with M = 1024*1024: 0 MBytes
device size with M = 1000*1000: 0 MBytes
cache/buffer size = unknown
Capabilities:
IORDY not likely
Cannot perform double-word IO
R/W multiple sector transfer: not supported
DMA: not supported
PIO: pio0
-------------------------------------------------------------------------------
Moduls load:
lsmod | grep mpt
mptctl 27359 0
mptsas 45861 5
mptscsih 25765 1 mptsas
mptbase 75530 3 mptctl,mptsas,mptscsih
scsi_transport_sas 21624 1 mptsas
-------------------------------------------------------------------------------
The hdparm result looks like there is somethink not right . There were no features supported but why ?
Greetings Markus
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