Hi,
I am a newbie here and not a member of the list. I am totally new to SCSI
hardware, but I've worked for a few years with Linux already. I am developing
with a HP NetServer E40 but it seems to be rather slow. Slowness seems to
depend on the hard disk which is a SCSI one. Everything works normally,
except that I expect much more speed.
Here I include the /proc/scsi/scsi and /proc/scsi/aic7xxx files:
/proc/scsi/scsi:
---------------------------------------------------------------------------
Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: QUANTUM Model: VIKING 4.5 WSE Rev: 880Q
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 03 Lun: 00
Vendor: HP Model: HP35470A Rev: T603
Type: Sequential-Access ANSI SCSI revision: 02
---------------------------------------------------------------------------
/proc/scsi/aic7xxx:
---------------------------------------------------------------------------
Adaptec AIC7xxx driver version: 5.1.20/3.2.4
Compile Options:
TCQ Enabled By Default : Disabled
AIC7XXX_PROC_STATS : Enabled
AIC7XXX_RESET_DELAY : 5
Adapter Configuration:
SCSI Adapter: Adaptec AIC-7850 SCSI host adapter
Narrow Controller
PCI MMAPed I/O Base: 0xfecff000
Adapter SEEPROM Config: SEEPROM found and used.
Adaptec SCSI BIOS: Enabled
IRQ: 11
SCBs: Active 0, Max Active 1,
Allocated 15, HW 3, Page 255
Interrupts: 123904
BIOS Control Word: 0x10b6
Adapter Control Word: 0x005c
Extended Translation: Enabled
Disconnect Enable Flags: 0x00ff
Tag Queue Enable Flags: 0x0000
Ordered Queue Tag Flags: 0x0000
Default Tag Queue Depth: 8
Tagged Queue By Device array for aic7xxx host instance 0:
{255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255}
Actual queue depth per device for aic7xxx host instance 0:
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
Statistics:
(scsi0:0:0:0)
Device using Narrow/Sync transfers at 10.0 MByte/sec, offset 15
Transinfo settings: current(25/15/0/0), goal(25/15/0/0), user(25/15/0/0)
Total transfers 123854 (8124 reads and 115730 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+ 128K+
Reads: 9 0 4570 1124 1171 468 782 0
Writes: 0 0 60220 52295 1342 242 1631 0
(scsi0:0:3:0)
Device using Narrow/Sync transfers at 5.0 MByte/sec, offset 8
Transinfo settings: current(50/8/0/0), goal(25/15/0/0), user(25/15/0/0)
Total transfers 0 (0 reads and 0 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+ 128K+
Reads: 0 0 0 0 0 0 0 0
Writes: 0 0 0 0 0 0 0 0
-------------------------------------------------
I am running Red Hat 6.1.
If you have any ideas to solve the problem (if there is any), please help.
Please write your answers to my private mail address.
Thank you in advance.
Yours sincerely,
Zoltan Kovacs
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