More info. I put in some trace code to determine how many io buffer
heads were being fed to each adapter. When the number of bh's reaches
numbers above 4244+- buffer heads outstanding at one time, then I see the
cards lockup.
Jeff
>
>
> Running 4 3Ware 7810 Adapters with the updated 48 bit LBA firmware
> for the 78110, and attached to 8 Maxtor 160 GB hard disks on each card
> (32 drives total) striping Raid 0m across 5.6 terabytes of disk, I am
> seeing about 216-224 MB/S total throughput on writes to local
> arrays on 2.4.18.
>
> The system is also running an Intel Gigabit Ethernet Card at
> 116-122 MB/S with full network traffic and writing this traffic to
> the 3Ware arrays. All this hardware is running on a Serverworks
> HE chipset with a SuperMicro motherboard and dual 933 Mhz PIII
> processors.
>
> After running for about 3 hours, the system will hard hang and die.
> Using debugging tools, I have isolated to the hang to the 3Ware
> adapters. If I remove all but a single 3Ware adapter, the system will
> run reliably for days at these data rates. The moment I add more
> than one 3Ware 7810 adapter, the system will lock up. Recent testing
> reveals that the hang is in the 3Ware card itself (all the LEDs go
> on at once and stay on). Attempts by the system to reset the adapter
> fail until the system is power cycled.
>
> 3Ware dfriver version is .16 from the 2.4.18 tree. Firmware is the 48 bit
> LBA version.
>
> Please advise.
>
> Jeff
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