Hi,
I'm trying to work out why my Indigo 4K "feels" so slow and thought I start with running diskperf as I'm using a SCSI2SD V6. Diskperf runs but I get lots of pread/pwrite errors. Are those expected? Also, throughput looks rather low. Should I try a SCA SCSI HDD + adapter instead?
Regards
Christoph
IRIS 5# diskperf -W -D -r 4k -m 4m testfile
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name : Unspecified
# Test date : Fri Jan 27 21:20:35 1995
# Test machine : IRIX IRIS 6.5 10070055 IP20
# Test type : XFS data subvolume
# Test path : testfile
# Request sizes : min=4096 max=4194304
# Parameters : direct=1 time=10 scale=1.000 delay=0.000
# XFS file size : 0 bytes
#---------------------------------------------------------
# req_size fwd_wt fwd_rd bwd_wt bwd_rd rnd_wt rnd_rd
# (bytes) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s)
#---------------------------------------------------------
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
4096 0.68 1.16 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
8192 1.29 1.73 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
16384 2.12 2.28 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
32768 2.71 2.79 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
65536 3.20 3.23 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
131072 3.46 3.49 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
262144 3.51 3.64 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
524288 3.60 3.58 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
1048576 3.66 3.61 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
2097152 3.67 3.62 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
4194304 3.72 3.78 0.00 0.00 0.00 0.00
IRIS 6#
IRIS 6# hinv
CPU: MIPS R4000 Processor Chip Revision: 2.2
FPU: MIPS R4000 Floating Point Coprocessor Revision: 0.0
1 100 MHZ IP20 Processor
Main memory size: 96 Mbytes
Secondary unified instruction/data cache size: 1 Mbyte on Processor 0
Instruction cache size: 8 Kbytes
Data cache size: 8 Kbytes
Integral SCSI controller 0: Version WD33C93B, revision C
Disk drive: unit 1 on SCSI controller 0
On-board serial ports: 2
On-board bi-directional parallel port
Graphics board: GR2-XZ
Integral Ethernet: ec0, version 1
Iris Audio Processor: revision 10
IRIS 7#
IRIS 7# uname -a
IRIX IRIS 6.5 10070055 IP20
I'm trying to work out why my Indigo 4K "feels" so slow and thought I start with running diskperf as I'm using a SCSI2SD V6. Diskperf runs but I get lots of pread/pwrite errors. Are those expected? Also, throughput looks rather low. Should I try a SCA SCSI HDD + adapter instead?
Regards
Christoph
IRIS 5# diskperf -W -D -r 4k -m 4m testfile
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name : Unspecified
# Test date : Fri Jan 27 21:20:35 1995
# Test machine : IRIX IRIS 6.5 10070055 IP20
# Test type : XFS data subvolume
# Test path : testfile
# Request sizes : min=4096 max=4194304
# Parameters : direct=1 time=10 scale=1.000 delay=0.000
# XFS file size : 0 bytes
#---------------------------------------------------------
# req_size fwd_wt fwd_rd bwd_wt bwd_rd rnd_wt rnd_rd
# (bytes) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s)
#---------------------------------------------------------
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
4096 0.68 1.16 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
8192 1.29 1.73 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
16384 2.12 2.28 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
32768 2.71 2.79 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
65536 3.20 3.23 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
131072 3.46 3.49 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
262144 3.51 3.64 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
524288 3.60 3.58 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
1048576 3.66 3.61 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
2097152 3.67 3.62 0.00 0.00 0.00 0.00
pwrite() : Invalid argument
pwrite() : Invalid argument
pwrite() : Invalid argument
pread() : Invalid argument
4194304 3.72 3.78 0.00 0.00 0.00 0.00
IRIS 6#
IRIS 6# hinv
CPU: MIPS R4000 Processor Chip Revision: 2.2
FPU: MIPS R4000 Floating Point Coprocessor Revision: 0.0
1 100 MHZ IP20 Processor
Main memory size: 96 Mbytes
Secondary unified instruction/data cache size: 1 Mbyte on Processor 0
Instruction cache size: 8 Kbytes
Data cache size: 8 Kbytes
Integral SCSI controller 0: Version WD33C93B, revision C
Disk drive: unit 1 on SCSI controller 0
On-board serial ports: 2
On-board bi-directional parallel port
Graphics board: GR2-XZ
Integral Ethernet: ec0, version 1
Iris Audio Processor: revision 10
IRIS 7#
IRIS 7# uname -a
IRIX IRIS 6.5 10070055 IP20