Salut Stefan,
> SMC rocks pe parte de Gbit. Nu pot zice asta despre intel
> (cele facute de Compaq sau de IBM) care sug groaznic si costa
> cu mult mai mult decat dublu la SMC. BTW, sunt PCI64?
32/64 PCI ... si sunt folosite momentan pe 32.
> Apoi catalystul ala e batranel... tine backplane-ul
> la doua ping flooduri de pe un module pe altul ?
Tine ... 2 slice-uri pornite si mergea brici ..
> In plus Gigabit EtherChannel imi baga niste delayuri cretine
> de tip "dinti de fierastrau" in reprezentare grafica
> (la cam fiecare al 11-lea pachet apare un delay de cateva zeci de ms
> care scade greu cam in 3-4 pachete). Si in al treilea rand mi se pare
> o tampenie ideea de computer legat pe gigabit, mai degraba faci
depinde .... sunt legate 3 servere de baze de date si au nevoie de acces
rapid.
Nu atat la date din hdd cat la cele din memorie ...
si credema ca le acceseaza f. multe statii deodata :)
in fine pe mine oricum nu ma doare ... daca asta o vrut asta au primit :)
> Uite, daca vrei cifre (urmeaza ceva lung si plicticos :( ) poti
> sa iti dai seama ca nu zic chiar tampenii...
> Daca are cineva niste statistici de lvd-uri in raid hardware
> (al meu e soft deocamdata) care sa dea mai bine decat cele
> din soft il rog frumos sa mi le dea.
Dece se simte miros de SUN si FiberChannel ?! :)
Otto
> root@spy:~# hdparm -tT /dev/sda
>
> /dev/sda:
> Timing buffer-cache reads: 128 MB in 0.74 seconds =172.97 MB/sec
> Timing buffered disk reads: 64 MB in 1.85 seconds = 34.59 MB/sec
>
> root@spy:~# hdparm -tT /dev/md0
>
> /dev/md0:
> Timing buffer-cache reads: 128 MB in 0.64 seconds =200.00 MB/sec
> Timing buffered disk reads: 64 MB in 0.93 seconds = 68.82 MB/sec
>
> root@spy:~# cat /proc/scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> Vendor: IBM-PSG Model: ST336704LC !# Rev: B232
> Type: Direct-Access ANSI SCSI revision: 03
> Host: scsi0 Channel: 00 Id: 01 Lun: 00
> Vendor: IBM-PSG Model: ST336704LC !# Rev: B232
> Type: Direct-Access ANSI SCSI revision: 03
> Host: scsi0 Channel: 00 Id: 08 Lun: 00
>
> root@spy:~# cat /proc/scsi/aic7xxx/0
> Adaptec AIC7xxx driver version: 6.1.13
> aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/255 SCBs
> Channel A Target 0 Negotiation Settings
> User: 160.000MB/s transfers (80.000MHz DT, offset 255, 16bit)
> Goal: 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
> Curr: 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
> Channel A Target 0 Lun 0 Settings
> Commands Queued 195872
> Commands Active 0
> Command Openings 64
> Max Tagged Openings 253
> Device Queue Frozen Count 0
> Channel A Target 1 Negotiation Settings
> User: 160.000MB/s transfers (80.000MHz DT, offset 255, 16bit)
> Goal: 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
> Curr: 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
> Channel A Target 1 Lun 0 Settings
> Commands Queued 134085
> Commands Active 0
> Command Openings 253
> Max Tagged Openings 253
> Device Queue Frozen Count 0
>
> root@spy:~# cat /proc/net/PRO_LAN_Adapters/eth2.info
> Description Compaq Gigabit Ethernet Server Adapter
> Part_Number 010133-001
> Driver_Name e1000
> Driver_Version 3.0.16
> PCI_Vendor 0x8086
> PCI_Device_ID 0x1000
> PCI_Subsystem_Vendor 0x0e11
> PCI_Subsystem_ID 0xb123
> PCI_Revision_ID 0x03
> PCI_Bus 1
> PCI_Slot 6
> IRQ 18
> System_Device_Name eth2
> Current_HWaddr 00:08:C7:86:E2:8B
> Permanent_HWaddr 00:08:C7:86:E2:8B
>
> Link up
> Speed 1000
> Duplex full
> State up
>
>
>
---
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