*いろいろなHDDの情報 *いろいろなサーバでの出力 !!dmesg *FreeBSD 起動メッセージ ad0: 157066MB at ata0-master UDMA66 ad2: 238475MB at ata1-master UDMA66 ad4: 476940MB at ata2-master SATA300 ad6: 238475MB at ata3-master SATA150 ad8: 238475MB at ata4-master SATA150 ad12: 476940MB at ata6-master SATA300 ad14: 476940MB at ata7-master SATA300 ad16: 238475MB at ata8-master SATA300 ad18: 238475MB at ata9-master SATA150 !!diskinfo !ASI ARAID99 1000 Rev 2.91 ns# diskinfo -ctv /dev/ad0 /dev/ad0 512 # sectorsize 164696555520 # mediasize in bytes (153G) 321672960 # mediasize in sectors 319120 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. I/O command overhead: time to read 10MB block 0.500885 sec = 0.024 msec/sector time to read 20480 sectors 8.095236 sec = 0.395 msec/sector calculated command overhead = 0.371 msec/sector Seek times: Full stroke: 250 iter in 7.438534 sec = 29.754 msec Half stroke: 250 iter in 4.878816 sec = 19.515 msec Quarter stroke: 500 iter in 10.679078 sec = 21.358 msec Short forward: 400 iter in 4.424236 sec = 11.061 msec Short backward: 400 iter in 3.377622 sec = 8.444 msec Seq outer: 2048 iter in 0.871287 sec = 0.425 msec Seq inner: 2048 iter in 0.639543 sec = 0.312 msec Transfer rates: outside: 102400 kbytes in 4.766581 sec = 21483 kbytes/sec middle: 102400 kbytes in 3.876446 sec = 26416 kbytes/sec inside: 102400 kbytes in 5.770325 sec = 17746 kbytes/sec !Hitachi HDS722525VLAT80 ns# diskinfo -ctv /dev/ad2 /dev/ad2 512 # sectorsize 250059350016 # mediasize in bytes (233G) 488397168 # mediasize in sectors 484521 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. I/O command overhead: time to read 10MB block 0.239579 sec = 0.012 msec/sector time to read 20480 sectors 2.789694 sec = 0.136 msec/sector calculated command overhead = 0.125 msec/sector Seek times: Full stroke: 250 iter in 4.508195 sec = 18.033 msec Half stroke: 250 iter in 3.395890 sec = 13.584 msec Quarter stroke: 500 iter in 5.685266 sec = 11.371 msec Short forward: 400 iter in 2.899220 sec = 7.248 msec Short backward: 400 iter in 3.332660 sec = 8.332 msec Seq outer: 2048 iter in 0.343696 sec = 0.168 msec Seq inner: 2048 iter in 0.358255 sec = 0.175 msec Transfer rates: outside: 102400 kbytes in 2.369481 sec = 43216 kbytes/sec middle: 102400 kbytes in 2.242230 sec = 45669 kbytes/sec inside: 102400 kbytes in 3.294059 sec = 31086 kbytes/sec !Hitachi HDT725050VLA360 k7d# diskinfo -vct /dev/ad4 /dev/ad4 512 # sectorsize 500107862016 # mediasize in bytes (466G) 976773168 # mediasize in sectors 969021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:VFK482R40SXW3K # Disk ident. I/O command overhead: time to read 10MB block 0.144241 sec = 0.007 msec/sector time to read 20480 sectors 1.446831 sec = 0.071 msec/sector calculated command overhead = 0.064 msec/sector Seek times: Full stroke: 250 iter in 4.870398 sec = 19.482 msec Half stroke: 250 iter in 3.651996 sec = 14.608 msec Quarter stroke: 500 iter in 6.066924 sec = 12.134 msec Short forward: 400 iter in 1.088486 sec = 2.721 msec Short backward: 400 iter in 2.315838 sec = 5.790 msec Seq outer: 2048 iter in 0.172812 sec = 0.084 msec Seq inner: 2048 iter in 0.167949 sec = 0.082 msec Transfer rates: outside: 102400 kbytes in 1.308101 sec = 78281 kbytes/sec middle: 102400 kbytes in 1.502736 sec = 68142 kbytes/sec inside: 102400 kbytes in 2.645487 sec = 38707 kbytes/sec !Seagate ST3250823AS k7d# diskinfo -vct /dev/ad6 /dev/ad6 512 # sectorsize 250059350016 # mediasize in bytes (233G) 488397168 # mediasize in sectors 484521 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:4ND185ZJ # Disk ident. I/O command overhead: time to read 10MB block 0.158165 sec = 0.008 msec/sector time to read 20480 sectors 1.564769 sec = 0.076 msec/sector calculated command overhead = 0.069 msec/sector Seek times: Full stroke: 250 iter in 5.768367 sec = 23.073 msec Half stroke: 250 iter in 4.621292 sec = 18.485 msec Quarter stroke: 500 iter in 7.408115 sec = 14.816 msec Short forward: 400 iter in 2.458706 sec = 6.147 msec Short backward: 400 iter in 2.414927 sec = 6.037 msec Seq outer: 2048 iter in 0.180125 sec = 0.088 msec Seq inner: 2048 iter in 0.190959 sec = 0.093 msec Transfer rates: outside: 102400 kbytes in 1.489970 sec = 68726 kbytes/sec middle: 102400 kbytes in 1.692219 sec = 60512 kbytes/sec inside: 102400 kbytes in 2.944844 sec = 34773 kbytes/sec !Hitachi HDT722525DLA380 k7d# diskinfo -vct /dev/ad8 /dev/ad8 512 # sectorsize 250059350016 # mediasize in bytes (233G) 488397168 # mediasize in sectors 484521 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:VDK41DT4EG8L4K # Disk ident. I/O command overhead: time to read 10MB block 0.154886 sec = 0.008 msec/sector time to read 20480 sectors 1.500963 sec = 0.073 msec/sector calculated command overhead = 0.066 msec/sector Seek times: Full stroke: 250 iter in 4.667572 sec = 18.670 msec Half stroke: 250 iter in 3.558307 sec = 14.233 msec Quarter stroke: 500 iter in 6.338625 sec = 12.677 msec Short forward: 400 iter in 2.846861 sec = 7.117 msec Short backward: 400 iter in 1.093960 sec = 2.735 msec Seq outer: 2048 iter in 0.182453 sec = 0.089 msec Seq inner: 2048 iter in 0.180939 sec = 0.088 msec Transfer rates: outside: 102400 kbytes in 1.512871 sec = 67686 kbytes/sec middle: 102400 kbytes in 1.866922 sec = 54850 kbytes/sec inside: 102400 kbytes in 3.098346 sec = 33050 kbytes/sec !Western Digital WDC WD5000AACS k7d# diskinfo -vct /dev/ad12 /dev/ad12 512 # sectorsize 500107862016 # mediasize in bytes (466G) 976773168 # mediasize in sectors 969021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:WD-WMASU0655125 # Disk ident. I/O command overhead: time to read 10MB block 0.134788 sec = 0.007 msec/sector time to read 20480 sectors 2.178680 sec = 0.106 msec/sector calculated command overhead = 0.100 msec/sector Seek times: Full stroke: 250 iter in 5.663224 sec = 22.653 msec Half stroke: 250 iter in 4.140555 sec = 16.562 msec Quarter stroke: 500 iter in 6.561500 sec = 13.123 msec Short forward: 400 iter in 3.022149 sec = 7.555 msec Short backward: 400 iter in 2.544000 sec = 6.360 msec Seq outer: 2048 iter in 0.383799 sec = 0.187 msec Seq inner: 2048 iter in 0.252357 sec = 0.123 msec Transfer rates: outside: 102400 kbytes in 1.294392 sec = 79111 kbytes/sec middle: 102400 kbytes in 1.653906 sec = 61914 kbytes/sec inside: 102400 kbytes in 2.649779 sec = 38645 kbytes/sec !SAMSUNG HD501LJ k7d# diskinfo -vct /dev/ad14 /dev/ad14 512 # sectorsize 500107862016 # mediasize in bytes (466G) 976773168 # mediasize in sectors 969021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:S0Z4J1DQ101477 # Disk ident. I/O command overhead: time to read 10MB block 0.122595 sec = 0.006 msec/sector time to read 20480 sectors 1.917734 sec = 0.094 msec/sector calculated command overhead = 0.088 msec/sector Seek times: Full stroke: 250 iter in 6.552611 sec = 26.210 msec Half stroke: 250 iter in 4.527747 sec = 18.111 msec Quarter stroke: 500 iter in 5.345284 sec = 10.691 msec Short forward: 400 iter in 1.415944 sec = 3.540 msec Short backward: 400 iter in 2.081738 sec = 5.204 msec Seq outer: 2048 iter in 0.271062 sec = 0.132 msec Seq inner: 2048 iter in 0.271858 sec = 0.133 msec Transfer rates: outside: 102400 kbytes in 1.226636 sec = 83480 kbytes/sec middle: 102400 kbytes in 1.495031 sec = 68494 kbytes/sec inside: 102400 kbytes in 2.718102 sec = 37673 kbytes/sec !WDC WD2500KS-00MJB0 k7d# diskinfo -cvt /dev/ad16 /dev/ad16 512 # sectorsize 250059350016 # mediasize in bytes (233G) 488397168 # mediasize in sectors 484521 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:WD-WCANK1852829 # Disk ident. I/O command overhead: time to read 10MB block 0.173521 sec = 0.008 msec/sector time to read 20480 sectors 1.864183 sec = 0.091 msec/sector calculated command overhead = 0.083 msec/sector Seek times: Full stroke: 250 iter in 5.321906 sec = 21.288 msec Half stroke: 250 iter in 3.838542 sec = 15.354 msec Quarter stroke: 500 iter in 6.297071 sec = 12.594 msec Short forward: 400 iter in 3.126596 sec = 7.816 msec Short backward: 400 iter in 2.113494 sec = 5.284 msec Seq outer: 2048 iter in 0.216709 sec = 0.106 msec Seq inner: 2048 iter in 0.219588 sec = 0.107 msec Transfer rates: outside: 102400 kbytes in 1.721688 sec = 59477 kbytes/sec middle: 102400 kbytes in 1.871790 sec = 54707 kbytes/sec inside: 102400 kbytes in 3.014704 sec = 33967 kbytes/sec !HDT722525DLA380 k7d# diskinfo -cvt /dev/ad18 /dev/ad18 512 # sectorsize 250059350016 # mediasize in bytes (233G) 488397168 # mediasize in sectors 484521 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:VDB41BT4E7TYAC # Disk ident. I/O command overhead: time to read 10MB block 0.325049 sec = 0.016 msec/sector time to read 20480 sectors 1.497264 sec = 0.073 msec/sector calculated command overhead = 0.057 msec/sector Seek times: Full stroke: 250 iter in 4.679512 sec = 18.718 msec Half stroke: 250 iter in 3.497334 sec = 13.989 msec Quarter stroke: 500 iter in 6.350386 sec = 12.701 msec Short forward: 400 iter in 1.925204 sec = 4.813 msec Short backward: 400 iter in 2.868597 sec = 7.171 msec Seq outer: 2048 iter in 0.184195 sec = 0.090 msec Seq inner: 2048 iter in 0.179555 sec = 0.088 msec Transfer rates: outside: 102400 kbytes in 1.955326 sec = 52370 kbytes/sec middle: 102400 kbytes in 1.932076 sec = 53000 kbytes/sec inside: 102400 kbytes in 3.225803 sec = 31744 kbytes/sec !TOSHIBA DT01ACA300 root@ns4:/etc # diskinfo -cvt /dev/ada0 /dev/ada0 512 # sectorsize 3000592982016 # mediasize in bytes (2.7T) 5860533168 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 5814021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. TOSHIBA DT01ACA300 # Disk descr. Z4T4JT9GS # Disk ident. No # TRIM/UNMAP support 7200 # Rotation rate in RPM Not_Zoned # Zone Mode I/O command overhead: time to read 10MB block 0.087692 sec = 0.004 msec/sector time to read 20480 sectors 0.742091 sec = 0.036 msec/sector calculated command overhead = 0.032 msec/sector Seek times: Full stroke: 250 iter in 6.417731 sec = 25.671 msec Half stroke: 250 iter in 4.481940 sec = 17.928 msec Quarter stroke: 500 iter in 7.334311 sec = 14.669 msec Short forward: 400 iter in 2.751856 sec = 6.880 msec Short backward: 400 iter in 3.005613 sec = 7.514 msec Seq outer: 2048 iter in 0.135420 sec = 0.066 msec Seq inner: 2048 iter in 0.112346 sec = 0.055 msec Transfer rates: outside: 102400 kbytes in 0.630812 sec = 162330 kbytes/sec middle: 102400 kbytes in 0.855202 sec = 119738 kbytes/sec inside: 102400 kbytes in 1.314331 sec = 77910 kbytes/sec root@ns4:/etc # time dd if=/dev/ada0 of=/dev/null bs=65536 45785415+1 records in 45785415+1 records out 3000592982016 bytes transferred in 21231.124901 secs (141329910 bytes/sec) 27.350u 232.423s 5:53:51.12 1.2% 27+157k 45785418+0io 0pf+0w !TOSHIBA MD04ACA300 root@ns4:/etc # diskinfo -cvt /dev/ada1 /dev/ada1 512 # sectorsize 3000592982016 # mediasize in bytes (2.7T) 5860533168 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 5814021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. TOSHIBA MD04ACA300 # Disk descr. 74S3K1H4FSDA # Disk ident. No # TRIM/UNMAP support 7200 # Rotation rate in RPM Not_Zoned # Zone Mode I/O command overhead: time to read 10MB block 0.094196 sec = 0.005 msec/sector time to read 20480 sectors 1.106605 sec = 0.054 msec/sector calculated command overhead = 0.049 msec/sector Seek times: Full stroke: 250 iter in 5.068375 sec = 20.273 msec Half stroke: 250 iter in 3.689334 sec = 14.757 msec Quarter stroke: 500 iter in 5.881484 sec = 11.763 msec Short forward: 400 iter in 2.547300 sec = 6.368 msec Short backward: 400 iter in 2.255214 sec = 5.638 msec Seq outer: 2048 iter in 0.154209 sec = 0.075 msec Seq inner: 2048 iter in 0.183682 sec = 0.090 msec Transfer rates: outside: 102400 kbytes in 0.682400 sec = 150059 kbytes/sec middle: 102400 kbytes in 0.750385 sec = 136463 kbytes/sec inside: 102400 kbytes in 1.054911 sec = 97070 kbytes/sec root@ns4:/etc # time dd if=/dev/ada1 of=/dev/null bs=65536 dd: /dev/ada1: Input/output error 20726165+0 records in 20726165+0 records out 1358309949440 bytes transferred in 7816.413954 secs (173776614 bytes/sec) 12.079u 89.077s 2:10:16.41 1.2% 29+167k 20726166+0io 0pf+0w !WDC WD30EZRX-00D8PB0 root@ns4:/etc # diskinfo -cvt /dev/ada2 /dev/ada2 512 # sectorsize 3000592982016 # mediasize in bytes (2.7T) 5860533168 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 5814021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. WDC WD30EZRX-00D8PB0 # Disk descr. WD-WMC4N1684490 # Disk ident. No # TRIM/UNMAP support 5400 # Rotation rate in RPM Not_Zoned # Zone Mode I/O command overhead: time to read 10MB block 0.139951 sec = 0.007 msec/sector time to read 20480 sectors 0.860597 sec = 0.042 msec/sector calculated command overhead = 0.035 msec/sector Seek times: Full stroke: 250 iter in 6.783994 sec = 27.136 msec Half stroke: 250 iter in 4.980950 sec = 19.924 msec Quarter stroke: 500 iter in 7.663724 sec = 15.327 msec Short forward: 400 iter in 3.609748 sec = 9.024 msec Short backward: 400 iter in 2.980504 sec = 7.451 msec Seq outer: 2048 iter in 0.171855 sec = 0.084 msec Seq inner: 2048 iter in 0.166418 sec = 0.081 msec Transfer rates: outside: 102400 kbytes in 0.755841 sec = 135478 kbytes/sec middle: 102400 kbytes in 0.870530 sec = 117629 kbytes/sec inside: 102400 kbytes in 1.441721 sec = 71026 kbytes/sec root@ns4:/etc # time dd if=/dev/ada2 of=/dev/null bs=65536 45785415+1 records in 45785415+1 records out 3000592982016 bytes transferred in 26177.754600 secs (114623772 bytes/sec) 33.545u 295.185s 7:16:17.75 1.2% 22+125k 45785418+0io 0pf+0w !TOSHIBA DT01ACA300 root@ns4:/etc # diskinfo -cvt /dev/ada1 /dev/ada1 512 # sectorsize 3000592982016 # mediasize in bytes (2.7T) 5860533168 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 5814021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. TOSHIBA DT01ACA300 # Disk descr. 29O6V7GAS # Disk ident. No # TRIM/UNMAP support 7200 # Rotation rate in RPM Not_Zoned # Zone Mode I/O command overhead: time to read 10MB block 0.088809 sec = 0.004 msec/sector time to read 20480 sectors 0.768920 sec = 0.038 msec/sector calculated command overhead = 0.033 msec/sector Seek times: Full stroke: 250 iter in 6.436539 sec = 25.746 msec Half stroke: 250 iter in 4.555225 sec = 18.221 msec Quarter stroke: 500 iter in 7.244469 sec = 14.489 msec Short forward: 400 iter in 3.118557 sec = 7.796 msec Short backward: 400 iter in 3.221527 sec = 8.054 msec Seq outer: 2048 iter in 0.122611 sec = 0.060 msec Seq inner: 2048 iter in 0.123765 sec = 0.060 msec Transfer rates: outside: 102400 kbytes in 0.563899 sec = 181593 kbytes/sec middle: 102400 kbytes in 0.633693 sec = 161592 kbytes/sec inside: 102400 kbytes in 1.038646 sec = 98590 kbytes/sec