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-Notes for CPQFCTS driver for Compaq Tachyon TS
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-Fibre Channel Host Bus Adapter, PCI 64-bit, 66MHz
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-for Linux (RH 6.1, 6.2 kernel 2.2.12-32, 2.2.14-5)
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-SMP tested
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-Tested in single and dual HBA configuration, 32 and 64bit busses,
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-33 and 66MHz. Only supports FC-AL.
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-SEST size 512 Exchanges (simultaneous I/Os) limited by module kmalloc()
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- max of 128k bytes contiguous.
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-
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-Ver 2.5.4 Oct 03, 2002
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- * fixed memcpy of sense buffer in ioctl to copy the smaller defined size
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-Ver 2.5.3 Aug 01, 2002
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- * fix the passthru ioctl to handle the Scsi_Cmnd->request being a pointer
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-Ver 2.5.1 Jul 30, 2002
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- * fix ioctl to pay attention to the specified LUN.
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-Ver 2.5.0 Nov 29, 2001
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- * eliminated io_request_lock. This change makes the driver specific
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- to the 2.5.x kernels.
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- * silenced excessively noisy printks.
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-
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-Ver 2.1.2 July 23, 2002
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- * initialize DumCmnd->lun in cpqfcTS_ioctl (used in fcFindLoggedInPorts as LUN index)
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-
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-Ver 2.1.1 Oct 18, 2001
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- * reinitialize Cmnd->SCp.sent_command (used to identify commands as
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- passthrus) on calling scsi_done, since the scsi mid layer does not
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- use (or reinitialize) this field to prevent subsequent comands from
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- having it set incorrectly.
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-
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-Ver 2.1.0 Aug 27, 2001
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- * Revise driver to use new kernel 2.4.x PCI DMA API, instead of
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- virt_to_bus(). (enables driver to work w/ ia64 systems with >2Gb RAM.)
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- Rework main scatter-gather code to handle cases where SG element
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- lengths are larger than 0x7FFFF bytes and use as many scatter
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- gather pages as necessary. (Steve Cameron)
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- * Makefile changes to bring cpqfc into line w/ rest of SCSI drivers
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- (thanks to Keith Owens)
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-
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-Ver 2.0.5 Aug 06, 2001
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- * Reject non-existent luns in the driver rather than letting the
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- hardware do it. (some HW behaves differently than others in this area.)
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- * Changed Makefile to rely on "make dep" instead of explicit dependencies
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- * ifdef'ed out fibre channel analyzer triggering debug code
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- * fixed a jiffies wrapping issue
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-
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-Ver 2.0.4 Aug 01, 2001
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- * Incorporated fix for target device reset from Steeleye
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- * Fixed passthrough ioctl so it doesn't hang.
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- * Fixed hang in launch_FCworker_thread() that occurred on some machines.
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- * Avoid problem when number of volumes in a single cabinet > 8
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-
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-Ver 2.0.2 July 23, 2001
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- Changed the semiphore changes so the driver would compile in 2.4.7.
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- This version is for 2.4.7 and beyond.
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-
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-Ver 2.0.1 May 7, 2001
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- Merged version 1.3.6 fixes into version 2.0.0.
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-
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-Ver 2.0.0 May 7, 2001
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- Fixed problem so spinlock is being initialized to UNLOCKED.
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- Fixed updated driver so it compiles in the 2.4 tree.
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-
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- Ver 1.3.6 Feb 27, 2001
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- Added Target_Device_Reset function for SCSI error handling
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- Fixed problem with not reseting addressing mode after implicit logout
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-
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-
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-Ver 1.3.4 Sep 7, 2000
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- Added Modinfo information
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- Fixed problem with statically linking the driver
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-
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-Ver 1.3.3, Aug 23, 2000
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- Fixed device/function number in ioctl
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-
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-Ver 1.3.2, July 27, 2000
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- Add include for Alpha compile on 2.2.14 kernel (cpq*i2c.c)
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- Change logic for different FCP-RSP sense_buffer location for HSG80 target
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- And search for Agilent Tachyon XL2 HBAs (not finished! - in test)
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-
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-Tested with
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-(storage):
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- Compaq RA-4x000, RAID firmware ver 2.40 - 2.54
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- Seagate FC drives model ST39102FC, rev 0006
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- Hitachi DK31CJ-72FC rev J8A8
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- IBM DDYF-T18350R rev F60K
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- Compaq FC-SCSI bridge w/ DLT 35/70 Gb DLT (tape)
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-(servers):
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- Compaq PL-1850R
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- Compaq PL-6500 Xeon (400MHz)
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- Compaq PL-8500 (500MHz, 66MHz, 64bit PCI)
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- Compaq Alpha DS20 (RH 6.1)
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-(hubs):
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- Vixel Rapport 1000 (7-port "dumb")
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- Gadzoox Gibralter (12-port "dumb")
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- Gadzoox Capellix 2000, 3000
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-(switches):
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- Brocade 2010, 2400, 2800, rev 2.0.3a (& later)
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- Gadzoox 3210 (Fabric blade beta)
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- Vixel 7100 (Fabric beta firmare - known hot plug issues)
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-using "qa_test" (esp. io_test script) suite modified from Unix tests.
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-
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-Installation:
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-make menuconfig
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- (select SCSI low-level, Compaq FC HBA)
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-make modules
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-make modules_install
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-
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-e.g. insmod -f cpqfc
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-
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-Due to Fabric/switch delays, driver requires 4 seconds
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-to initialize. If adapters are found, there will be a entries at
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-/proc/scsi/cpqfcTS/*
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-
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-sample contents of startup messages
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-
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-*************************
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- scsi_register allocating 3596 bytes for CPQFCHBA
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- ioremap'd Membase: c887e600
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- HBA Tachyon RevId 1.2
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-Allocating 119808 for 576 Exchanges @ c0dc0000
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-Allocating 112904 for LinkQ @ c0c20000 (576 elements)
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-Allocating 110600 for TachSEST for 512 Exchanges
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- cpqfcTS: writing IMQ BASE 7C0000h PI 7C4000h
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- cpqfcTS: SEST c0e40000(virt): Wrote base E40000h @ c887e740
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-cpqfcTS: New FC port 0000E8h WWN: 500507650642499D SCSI Chan/Trgt 0/0
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-cpqfcTS: New FC port 0000EFh WWN: 50000E100000D5A6 SCSI Chan/Trgt 0/1
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-cpqfcTS: New FC port 0000E4h WWN: 21000020370097BB SCSI Chan/Trgt 0/2
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-cpqfcTS: New FC port 0000E2h WWN: 2100002037009946 SCSI Chan/Trgt 0/3
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-cpqfcTS: New FC port 0000E1h WWN: 21000020370098FE SCSI Chan/Trgt 0/4
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-cpqfcTS: New FC port 0000E0h WWN: 21000020370097B2 SCSI Chan/Trgt 0/5
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-cpqfcTS: New FC port 0000DCh WWN: 2100002037006CC1 SCSI Chan/Trgt 0/6
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-cpqfcTS: New FC port 0000DAh WWN: 21000020370059F6 SCSI Chan/Trgt 0/7
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-cpqfcTS: New FC port 00000Fh WWN: 500805F1FADB0E20 SCSI Chan/Trgt 0/8
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-cpqfcTS: New FC port 000008h WWN: 500805F1FADB0EBA SCSI Chan/Trgt 0/9
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-cpqfcTS: New FC port 000004h WWN: 500805F1FADB1EB9 SCSI Chan/Trgt 0/10
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-cpqfcTS: New FC port 000002h WWN: 500805F1FADB1ADE SCSI Chan/Trgt 0/11
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-cpqfcTS: New FC port 000001h WWN: 500805F1FADBA2CA SCSI Chan/Trgt 0/12
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-scsi4 : Compaq FibreChannel HBA Tachyon TS HPFC-5166A/1.2: WWN 500508B200193F50
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- on PCI bus 0 device 0xa0fc irq 5 IObaseL 0x3400, MEMBASE 0xc6ef8600
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-PCI bus width 32 bits, bus speed 33 MHz
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-FCP-SCSI Driver v1.3.0
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-GBIC detected: Short-wave. LPSM 0h Monitor
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-scsi : 5 hosts.
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- Vendor: IBM Model: DDYF-T18350R Rev: F60K
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- Type: Direct-Access ANSI SCSI revision: 03
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-Detected scsi disk sdb at scsi4, channel 0, id 0, lun 0
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- Vendor: HITACHI Model: DK31CJ-72FC Rev: J8A8
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdc at scsi4, channel 0, id 1, lun 0
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- Vendor: SEAGATE Model: ST39102FC Rev: 0006
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdd at scsi4, channel 0, id 2, lun 0
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- Vendor: SEAGATE Model: ST39102FC Rev: 0006
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sde at scsi4, channel 0, id 3, lun 0
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- Vendor: SEAGATE Model: ST39102FC Rev: 0006
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdf at scsi4, channel 0, id 4, lun 0
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- Vendor: SEAGATE Model: ST39102FC Rev: 0006
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdg at scsi4, channel 0, id 5, lun 0
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- Vendor: SEAGATE Model: ST39102FC Rev: 0006
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdh at scsi4, channel 0, id 6, lun 0
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- Vendor: SEAGATE Model: ST39102FC Rev: 0006
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdi at scsi4, channel 0, id 7, lun 0
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.48
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdj at scsi4, channel 0, id 8, lun 0
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.48
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdk at scsi4, channel 0, id 8, lun 1
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.40
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdl at scsi4, channel 0, id 9, lun 0
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.40
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdm at scsi4, channel 0, id 9, lun 1
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.54
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdn at scsi4, channel 0, id 10, lun 0
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.54
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdo at scsi4, channel 0, id 11, lun 0
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.54
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdp at scsi4, channel 0, id 11, lun 1
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.54
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdq at scsi4, channel 0, id 12, lun 0
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- Vendor: COMPAQ Model: LOGICAL VOLUME Rev: 2.54
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- Type: Direct-Access ANSI SCSI revision: 02
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-Detected scsi disk sdr at scsi4, channel 0, id 12, lun 1
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-resize_dma_pool: unknown device type 12
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-resize_dma_pool: unknown device type 12
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-SCSI device sdb: hdwr sector= 512 bytes. Sectors= 35843670 [17501 MB] [17.5 GB]
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- sdb: sdb1
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-SCSI device sdc: hdwr sector= 512 bytes. Sectors= 144410880 [70513 MB] [70.5 GB]
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- sdc: sdc1
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-SCSI device sdd: hdwr sector= 512 bytes. Sectors= 17783240 [8683 MB] [8.7 GB]
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- sdd: sdd1
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-SCSI device sde: hdwr sector= 512 bytes. Sectors= 17783240 [8683 MB] [8.7 GB]
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- sde: sde1
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-SCSI device sdf: hdwr sector= 512 bytes. Sectors= 17783240 [8683 MB] [8.7 GB]
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- sdf: sdf1
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-SCSI device sdg: hdwr sector= 512 bytes. Sectors= 17783240 [8683 MB] [8.7 GB]
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- sdg: sdg1
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-SCSI device sdh: hdwr sector= 512 bytes. Sectors= 17783240 [8683 MB] [8.7 GB]
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- sdh: sdh1
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-SCSI device sdi: hdwr sector= 512 bytes. Sectors= 17783240 [8683 MB] [8.7 GB]
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- sdi: sdi1
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-SCSI device sdj: hdwr sector= 512 bytes. Sectors= 2056160 [1003 MB] [1.0 GB]
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- sdj: sdj1
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-SCSI device sdk: hdwr sector= 512 bytes. Sectors= 2052736 [1002 MB] [1.0 GB]
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- sdk: sdk1
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-SCSI device sdl: hdwr sector= 512 bytes. Sectors= 17764320 [8673 MB] [8.7 GB]
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- sdl: sdl1
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-SCSI device sdm: hdwr sector= 512 bytes. Sectors= 8380320 [4091 MB] [4.1 GB]
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- sdm: sdm1
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-SCSI device sdn: hdwr sector= 512 bytes. Sectors= 17764320 [8673 MB] [8.7 GB]
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- sdn: sdn1
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-SCSI device sdo: hdwr sector= 512 bytes. Sectors= 17764320 [8673 MB] [8.7 GB]
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- sdo: sdo1
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-SCSI device sdp: hdwr sector= 512 bytes. Sectors= 17764320 [8673 MB] [8.7 GB]
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- sdp: sdp1
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-SCSI device sdq: hdwr sector= 512 bytes. Sectors= 2056160 [1003 MB] [1.0 GB]
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- sdq: sdq1
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-SCSI device sdr: hdwr sector= 512 bytes. Sectors= 2052736 [1002 MB] [1.0 GB]
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- sdr: sdr1
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-
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-*************************
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-
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-If a GBIC of type Short-wave, Long-wave, or Copper is detected, it will
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-print out; otherwise, "none" is displayed. If the cabling is correct
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-and a loop circuit is completed, you should see "Monitor"; otherwise,
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-"LoopFail" (on open circuit) or some LPSM number/state with bit 3 set.
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-
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-
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-ERRATA:
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-1. Normally, Linux Scsi queries FC devices with INQUIRY strings. All LUNs
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-found according to INQUIRY should get READ commands at sector 0 to find
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-partition table, etc. Older kernels only query the first 4 devices. Some
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-Linux kernels only look for one LUN per target (i.e. FC device).
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-
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-2. Physically removing a device, or a malfunctioning system which hides a
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-device, leads to a 30-second timeout and subsequent _abort call.
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-In some process contexts, this will hang the kernel (crashing the system).
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-Single bit errors in frames and virtually all hot plugging events are
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-gracefully handled with internal driver timer and Abort processing.
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-
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-3. Some SCSI drives with error conditions will not handle the 7 second timeout
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-in this software driver, leading to infinite retries on timed out SCSI commands.
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-The 7 secs balances the need to quickly recover from lost frames (esp. on sequence
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-initiatives) and time needed by older/slower/error-state drives in responding.
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-This can be easily changed in "Exchanges[].timeOut".
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-
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-4. Due to the nature of FC soft addressing, there is no assurance that the
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-same LUNs (drives) will have the same path (e.g. /dev/sdb1) from one boot to
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-next. Dynamic soft address changes (i.e. 24-bit FC port_id) are
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-supported during run time (e.g. due to hot plug event) by the use of WWN to
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-SCSI Nexus (channel/target/LUN) mapping.
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-
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-5. Compaq RA4x00 firmware version 2.54 and later supports SSP (Selective
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-Storage Presentation), which maps LUNs to a WWN. If RA4x00 firmware prior
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-2.54 (e.g. older controller) is used, or the FC HBA is replaced (another WWN
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-is used), logical volumes on the RA4x00 will no longer be visible.
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-
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-
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-Send questions/comments to:
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-Amy Vanzant-Hodge (fibrechannel@compaq.com)
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-
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