長谷です
> 大里です。
こんばんは
> LVD ということは AHA2940UW じゃなくて、AHA2940U2W でしょうか？
いえ、UW の方です。U2W は 80MB/s 転送ですよね？
(先程、アダプテックのアメリカのサイトで調べました。)
ついでなのでこっちに繋げます。
> cat /proc/scsi/aic7xxx/0 で bit 幅と clock を見るとか。
やってみました(以下↓)。
---------------------------------------------------------------------
Adaptec AIC7xxx driver version: 6.2.36
Adaptec 2940 Ultra SCSI adapter
aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
Allocated SCBs: 85, SG List Length: 102
Serial EEPROM:
0x0378 0x0378 0x0378 0x0378 0x0378 0x0378 0x0378 0x0378
0x0378 0x0378 0x0378 0x0378 0x0378 0x0378 0x0378 0x0378
0x70b4 0x005b 0x0007 0x0010 0xff00 0xffff 0xffff 0xffff
0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x00ff 0xa89c
Target 0 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Goal: 40.000MB/s transfers (20.000MHz, offset 8, 16bit)
Curr: 40.000MB/s transfers (20.000MHz, offset 8, 16bit)
Channel A Target 0 Lun 0 Settings
Commands Queued 21778
Commands Active 13
Command Openings 51
Max Tagged Openings 253
Device Queue Frozen Count 0
Target 1 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Goal: 40.000MB/s transfers (20.000MHz, offset 8, 16bit)
Curr: 40.000MB/s transfers (20.000MHz, offset 8, 16bit)
Channel A Target 1 Lun 0 Settings
Commands Queued 129
Commands Active 0
Command Openings 253
Max Tagged Openings 253
Device Queue Frozen Count 0
Target 2 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 3 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 4 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 5 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Goal: 5.000MB/s transfers (5.000MHz, offset 15)
Curr: 5.000MB/s transfers (5.000MHz, offset 15)
Channel A Target 5 Lun 0 Settings
Commands Queued 1
Commands Active 0
Command Openings 1
Max Tagged Openings 0
Device Queue Frozen Count 0
Target 6 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Goal: 5.000MB/s transfers (5.000MHz, offset 8)
Curr: 5.000MB/s transfers (5.000MHz, offset 8)
Channel A Target 6 Lun 0 Settings
Commands Queued 5
Commands Active 0
Command Openings 1
Max Tagged Openings 0
Device Queue Frozen Count 0
Target 7 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 8 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 9 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 10 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 11 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 12 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 13 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 14 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
Target 15 Negotiation Settings
User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
---------------------------------------------------------------------
と、こんな感じでした。
()の中の方の転送速度で動くのでしょうか？
> MO と DDS が SCSI-3(20MHz) に対応していないとそうなりませんか。
MO も DDS も SCSI-2 ですから、混在してることになります。
--
長谷 <VYG01106@xxxxxxxxx>