Channel 6 Television - EDIT2
Benchmarking issues
Introduction
Linear videotape editing
Non-linear editing
EDIT2 system overview
Benchmarking issues
Media storage issues
Windows 2000 issues
///Fast silver.
EDIT2 - a case story
Future development
DELL links
Channel 6 Television
Workstation specifications
CHANNEL 6 TELEVISION - DISKSPEED BENCHMARKS
8 X 73GB Seagate (545.920GB) Cluster size 1024 bytes (silver.MPG)

Tests #2 and 3 conducted on other  though identical RAID to acheive similar data loading on RAID at time of test
Tests which resulted in transient hangs are marked in red
OK? - 1= PASS 0=FAIL
Average play % and record % indicate percentage of available resources used on test - lower figures are better
TEST 1 RESULTS 11.05.2001 TEST 2 RESULTS 03.09.2001  TEST 2 RESULTS XX.09.2001
PRECISION 620 / PERC2/DC (128MB cache) Drive F: 546GB / 220 free PRECISION 530 / PERC2/DC (128MB cache) Drive K: 546GB / 420 free PRECISION 530 / PERC3/DC (128MB cache) Drive K: 546GB / 420 free
RAID BLOCK SIZE kB 64  RAID BLOCK SIZE kB  64  RAID BLOCK SIZE kB 64
                           
File size MB 4   File size MB 4 File size MB  4
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 41,0 47,8 27,1   16 47,1 45,8 24,4   16 0,0 0,0 0,0
512 92,8 92,8 65,4   512 91,2 90,8 53,2   512 0,0 0,0 0,0
Avg % play 15 Avg % rec 11   Avg % play 15 Avg % rec 13   Avg %play 0 Avg % rec 0
# of hangs 0 OK? 1   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
File size MB 64   File size MB 64 File size MB  64
Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 47,9 48,1 26,8   16 30,4 45,1 24,1   16 0,0 0,0 0,0
512 93,6 94,5 63,9   512 90,0 90,2 53,1   512 0,0 0,0 0,0
Avg % play 15 Avg % rec 11   Avg % play 15 Avg % rec 13   Avg % play 0 Avg % rec 0
# of hangs 0 OK? 1   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
File size MB 100   File size MB 100 File size MB 100
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 50,0 43,9 26,0   16 47,5 45,6 23,9   16 0,0 0,0 0,0
512 41,8 94,1 37,3   512 74,0 90,3 37,5   512 0,0 0,0 0,0
Avg % play 15 Avg % rec 18   Avg % play 15 Avg % rec 18   Avg % play 0 Avg % rec 0
# of hangs 1 OK? 0   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
File size MB 128   File size MB 128 File size MB  128
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 25,5 40,1 24,5   16 24,5 41,6 22,7   16 0,0 0,0 0,0
512 57,5 41,0 37,7   512 54,9 88,7 37,1   512 0,0 0,0 0,0
Avg % play 15 Avg % rec 18   Avg % play 16 Avg %rec 18   Avg % play 0 Avg % rec 0
# of hangs 0 OK? 1   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
File size MB 256   File size MB 256 File size MB  256
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 19,1 24,1 21,8   16 18,6 26,6 20,9   16 0,0 0,0 0,0
512 51,1 77,0 37,0   512 53,0 77,3 37,1   512 0,0 0,0 0,0
Avg % play 19 Avg % rec 19   Avg % play 19 Avg % rec 19   Avg % play 0 Avg % rec 0
# of hangs 1 OK? 0   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
File size MB 512   File size MB 512 File size MB  512
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 20,4 15,3 20,9   16 19,7 18,2 20,1   16 0,0 0,0 0,0
512 51,3 58,9 37,6   512 53,4 62,5 37,4   512 0,0 0,0 0,0
Avg % play 26 Avg % rec 18   Avg % play 24 Avg % rec 18   Avg % play 0 Avg % rec 0
# of hangs 0 OK? 1   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
File size MB 1024   File size MB 1024 File size MB  1024
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 22,8 13,3 20,7   16 20,3 16,1 19,8   16 0,0 0,0 0,0
512 53,0 50,1 38,8   512 53,6 55,9 37,4   512 0,0 0,0 0,0
Avg % play 30 Avg % rec 18   Avg % play 27 Avg % rec 18   Avg % play 0 Avg % rec 0
# of hangs 0 OK? 1   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
File size MB 10000   File size MB 10000 File size MB  10000
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 32,0 12,9 20,7   16 21,0 13,3 19,4   16 0,0 0,0 0,0
512 54,8 45,1 40,8   512 53,5 46,5 37,5   512 0,0 0,0 0,0
Avg % play 33 Avg % rec 17   Avg % play 32 Avg % rec 19   Avg % play 0 Avg % rec 0
# of hangs 0 OK? 1   # of hangs 0 OK? 1   # of hangs 0 OK? 1
                           
AVERAGE FOR THIS TEST SUITE    AVERAGE FOR THIS TEST SUITE    AVERAGE FOR THIS TEST SUITE
                           
Block size kB Linear read MB/sec Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read
MB/sec		 Random read
MB/sec		 Linear Write MB/sec   Block size kB Linear read MB/sec Random read MB/sec Linear Write MB/sec
16 32,3 30,7 23,6   16 28,6 31,5 21,9   16 0,0 0,0 0,0
512 62,0 69,2 44,8   512 65,5 75,3 41,3   512 0,0 0,0 0,0
Avg % play 21,0 Avg % rec 16,3   Avg % play 20,4 Avg % rec 17,0   Avg % play 0,0 Avg % rec 0,0
 
© 2001 Channel 6 Television Denmark