ASR(4) i386 Kernel Interfaces Manual ASR(4) NAME asr -- driver for Adaptec I2O based SCSI/ATA host bus adapters SYNOPSIS device asr DESCRIPTION The Adaptec asr driver provides access to disks and disk arrays controlled by I2O based host bus adapters and SmartRAID SCSI RAID adapters through the standard SCSI disk da(4) interface. The adapters currently supported in- clude the following RAID adapters: Adaptec SCSI RAID 2100S Adaptec ATA-100 RAID 2400A Adaptec SCSI RAID 3200S Adaptec SCSI RAID 3400S Adaptec SmartRAID PM1554 Adaptec SmartRAID PM2554 Adaptec SmartRAID PM2564 Adaptec SmartRAID PM2664 Adaptec SmartRAID PM2865 Adaptec SmartRAID PM3754 Adaptec SmartRAID PM3755 Adaptec SmartRAID PM3757 Some of the adapters provide 64 bit PCI, Compact PCI, ACPI and up to four channels of Ultra 160 SCSI, or two channels of 1GB Fibre. All support RAID-0, RAID-1, RAID-10, RAID-5 and RAID-50 arrays. All SCSI target types are supported. For the ATA based controllers, one IDE drive per channel is supported. Hot-swapping of IDE drives is not supported at this time. The PCI adapters automatically configure using the configuration mechanism of the bus they are on. With PCI adapters the IRQ sometimes has to be as- signed from a BIOS configuration menu (some BIOS's do this automatically). All host bus adapters must be configured before they can be used with any operating system. Please contact Adaptec directly to obtain the latest in- formation on configuration utilities for the adapters. Currently there are both a GUI Motif based configuration utility and a CLI based configuration utility available from the Adaptec Web site. Note that in the absence of a native FreeBSD version of the configuration utilities does not mean one cannot configure the devices via the BIOS based configuration tool Storage Manager on ROM (SMOR). FILES /dev/asr* Adaptec SCSI RAID control nodes NOTES The ATA based controllers present their devices as SCSI-like devices via CAM. For IDE drives attached to these cards, a subset of standard SCSI commands and mode pages are understood via translation performed in the card's firmware. SEE ALSO da(4) HISTORY The asr (Adaptec SCSI RAID) driver first appeared as the dpti2o driver un- der BSDi BSD/OS 3.2, then under FreeBSD 2.2.8 and was ported over to the CAM layer represented in 4.0. AUTHORS The asr driver was kindly donated by Adaptec and is maintained by Mark Salyzyn <mark_salyzyn@adaptec.com>. This manual page was written by Mark Salyzyn and fixed up by Jeroen Ruigrok van der Werven <asmodai@FreeBSD.org>. FreeBSD 4.5 October 27, 2000 ASR(4)
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