From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabien Salvi Subject: Re: Pb with external RAID controller in lk 2.4 Date: Wed, 22 May 2002 09:49:01 +0200 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <3CEB4D6D.92C207EE@cri74.org> References: <3CEA83AE.1DCAB7BC@cri74.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: Lorraine Suschetet =46abien Salvi wrote: >=20 > Hello, I have problem when using the lk 2.4 >=20 > My system : > - A bi-pentium II 450 processor with 1 GB RAM > - Symbios/LSILogic SCSI card NCR 53c895 > - external Mylex DAC960SX RAID Controller (Ultra2 scsi) in a Siemens > enclosure >=20 > 1) With kernel 2.2 (exactly 2.2.19, but it's the same through 2.2.9 t= o > 2.2.19), I have no problems, my disks are visible without problems : >=20 > May 17 16:22:28 node01 kernel: sym53c8xx: at PCI bus 2, device 8, > function 0 > May 17 16:22:28 node01 kernel: sym53c8xx: 53c876 detected with Symbio= s > NVRAM > May 17 16:22:28 node01 kernel: sym53c8xx: at PCI bus 2, device 8, > function 1 > May 17 16:22:28 node01 kernel: sym53c8xx: 53c876 detected with Symbio= s > NVRAM > May 17 16:22:28 node01 kernel: sym53c8xx: at PCI bus 2, device 1, > function 0 > May 17 16:22:28 node01 kernel: sym53c8xx: 53c895 detected with Symbio= s > NVRAM > May 17 16:22:28 node01 kernel: sym53c876-0: rev 0x14 on pci bus 2 dev= ice > 8 function 0 irq 15 > May 17 16:22:28 node01 kernel: sym53c876-0: Symbios format NVRAM, ID = 7, > Fast-20, Parity Checking > May 17 16:22:28 node01 kernel: sym53c876-0: on-chip RAM at 0xf4202000 > May 17 16:22:28 node01 kernel: sym53c876-0: restart (scsi reset). > May 17 16:22:28 node01 kernel: sym53c876-0: Downloading SCSI SCRIPTS. > May 17 16:22:28 node01 kernel: sym53c876-1: rev 0x14 on pci bus 2 dev= ice > 8 function 1 irq 5 > May 17 16:22:28 node01 kernel: sym53c876-1: Symbios format NVRAM, ID = 7, > Fast-20, Parity Checking > May 17 16:22:28 node01 kernel: sym53c876-1: on-chip RAM at 0xf4203000 > May 17 16:22:28 node01 kernel: sym53c876-1: restart (scsi reset). > May 17 16:22:28 node01 kernel: sym53c876-1: Downloading SCSI SCRIPTS. > May 17 16:22:28 node01 kernel: sym53c895-2: rev 0x1 on pci bus 2 devi= ce > 1 function 0 irq 10 > May 17 16:22:28 node01 kernel: sym53c895-2: Symbios format NVRAM, ID = 7, > Fast-40, Parity Checking > May 17 16:22:28 node01 kernel: sym53c895-2: on-chip RAM at 0xf4201000 > May 17 16:22:28 node01 kernel: sym53c895-2: restart (scsi reset). > May 17 16:22:28 node01 kernel: sym53c895-2: Downloading SCSI SCRIPTS. > May 17 16:22:28 node01 kernel: ncr53c8xx: at PCI bus 2, device 8, > function 0 > May 17 16:22:28 node01 kernel: ncr53c8xx: IO region 0x2400[0..127] is= in > use > May 17 16:22:28 node01 kernel: ncr53c8xx: at PCI bus 2, device 8, > function 1 > May 17 16:22:28 node01 kernel: ncr53c8xx: IO region 0x2800[0..127] is= in > use > May 17 16:22:28 node01 kernel: ncr53c8xx: at PCI bus 2, device 1, > function 0 > May 17 16:22:28 node01 kernel: ncr53c8xx: IO region 0x2000[0..127] is= in > use > May 17 16:22:28 node01 kernel: scsi0 : sym53c8xx-1.7.1-20000726 > May 17 16:22:28 node01 kernel: scsi1 : sym53c8xx-1.7.1-20000726 > May 17 16:22:28 node01 kernel: scsi2 : sym53c8xx-1.7.1-20000726 > May 17 16:22:28 node01 kernel: scsi : 3 hosts. > May 17 16:22:28 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:22:28 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:22:28 node01 kernel: Detected scsi disk sda at scsi0, chann= el > 0, id 0, lun 0 > May 17 16:22:28 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:22:28 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:22:28 node01 kernel: Detected scsi disk sdb at scsi0, chann= el > 0, id 0, lun 1 > May 17 16:22:28 node01 kernel: sym53c876-0-<0,0>: tagged command queu= e > depth set to 8 > May 17 16:22:28 node01 kernel: sym53c876-0-<0,1>: tagged command queu= e > depth set to 8 > May 17 16:22:28 node01 kernel: Vendor: NEC Model: CD-ROM > DRIVE:466 Rev: 1.17 > May 17 16:22:28 node01 kernel: Type: > CD-ROM ANSI SCSI revision: 02 > May 17 16:22:28 node01 kernel: Detected scsi CD-ROM sr0 at scsi2, > channel 0, id 5, lun 0 > May 17 16:22:28 node01 kernel: Vendor: SIEMENS Model: STM/L > S1 Rev: 4.1b > May 17 16:22:28 node01 kernel: Type: > Processor ANSI SCSI revision: 02 > May 17 16:22:28 node01 kernel: Detected scsi generic sg3 at scsi2, > channel 0, id 8, lun 0 > May 17 16:22:28 node01 kernel: scsi : detected 4 SCSI generics 1 SCSI > cdrom 2 SCSI disks total. > May 17 16:22:28 node01 kernel: sym53c895-2-<5,*>: FAST-20 SCSI 20.0 M= B/s > (50 ns, offset 16) > May 17 16:22:28 node01 kernel: sr0: scsi3-mmc drive: 17x/40x cd/rw > xa/form2 cdda tray > May 17 16:22:28 node01 kernel: Uniform CD-ROM driver Revision: 3.11 > May 17 16:22:28 node01 kernel: sym53c876-0-<0,*>: FAST-20 SCSI 20.0 M= B/s > (50 ns, offset 16) > May 17 16:22:28 node01 kernel: SCSI device sda: hdwr sector=3D 512 by= tes. > Sectors=3D 17776640 [8680 MB] [8.7 GB] > May 17 16:22:28 node01 kernel: SCSI device sdb: hdwr sector=3D 512 by= tes. > Sectors=3D 17776640 [8680 MB] [8.7 GB] >=20 > It founds the real 2 disks exporting from the RAID controller (in fac= t > 2*2 disks in RAID 1) >=20 > 2) with 2.4.18 kernel, I've got this : > May 17 16:19:36 node01 kernel: sym0: <875> rev 0x14 on pci bus 2 devi= ce > 8 function 0 irq 15 > May 17 16:19:36 node01 kernel: sym0: Symbios NVRAM, ID 7, Fast-20, HV= D, > parity checking > May 17 16:19:36 node01 kernel: sym0: open drain IRQ line driver, usin= g > on-chip SRAM > May 17 16:19:36 node01 kernel: sym0: using LOAD/STORE-based firmware. > May 17 16:19:36 node01 kernel: sym0: SCSI BUS has been reset. > May 17 16:19:36 node01 kernel: sym1: <875> rev 0x14 on pci bus 2 devi= ce > 8 function 1 irq 5 > May 17 16:19:36 node01 kernel: sym1: Symbios NVRAM, ID 7, Fast-20, HV= D, > parity checking > May 17 16:19:36 node01 kernel: sym1: open drain IRQ line driver, usin= g > on-chip SRAM > May 17 16:19:36 node01 kernel: sym1: using LOAD/STORE-based firmware. > May 17 16:19:36 node01 kernel: sym1: SCSI BUS has been reset. > May 17 16:19:36 node01 kernel: sym2: <895> rev 0x1 on pci bus 2 devic= e 1 > function 0 irq 10 > May 17 16:19:36 node01 kernel: sym2: Symbios NVRAM, ID 7, Fast-40, LV= D, > parity checking > May 17 16:19:36 node01 kernel: sym2: open drain IRQ line driver, usin= g > on-chip SRAM > May 17 16:19:36 node01 kernel: sym2: using LOAD/STORE-based firmware. > May 17 16:19:36 node01 kernel: sym2: SCSI BUS has been reset. > May 17 16:19:36 node01 kernel: scsi0 : sym-2.1.17a > May 17 16:19:36 node01 kernel: scsi1 : sym-2.1.17a > May 17 16:19:36 node01 kernel: scsi2 : sym-2.1.17a > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: MYLEX Model: DAC960SX > 8680T1 Rev: 1339 > May 17 16:19:36 node01 kernel: Type: > Direct-Access ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: sym0:0:0: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: sym0:0:1: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: sym0:0:2: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: sym0:0:3: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: sym0:0:4: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: sym0:0:5: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: sym0:0:6: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: sym0:0:7: tagged command queuing enabl= ed, > command queue depth 16. > May 17 16:19:36 node01 kernel: Vendor: NEC Model: CD-ROM > DRIVE:466 Rev: 1.17 > May 17 16:19:36 node01 kernel: Type: > CD-ROM ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Vendor: SIEMENS Model: STM/L > S1 Rev: 4.1b > May 17 16:19:36 node01 kernel: Type: > Processor ANSI SCSI revision: 02 > May 17 16:19:36 node01 kernel: Attached scsi disk sda at scsi0, chann= el > 0, id 0, lun 0 > May 17 16:19:36 node01 kernel: Attached scsi disk sdb at scsi0, chann= el > 0, id 0, lun 1 > May 17 16:19:36 node01 kernel: Attached scsi disk sdc at scsi0, chann= el > 0, id 0, lun 2 > May 17 16:19:36 node01 kernel: Attached scsi disk sdd at scsi0, chann= el > 0, id 0, lun 3 > May 17 16:19:36 node01 kernel: Attached scsi disk sde at scsi0, chann= el > 0, id 0, lun 4 > May 17 16:19:36 node01 kernel: Attached scsi disk sdf at scsi0, chann= el > 0, id 0, lun 5 > May 17 16:19:36 node01 kernel: Attached scsi disk sdg at scsi0, chann= el > 0, id 0, lun 6 > May 17 16:19:36 node01 kernel: Attached scsi disk sdh at scsi0, chann= el > 0, id 0, lun 7 > May 17 16:19:36 node01 kernel: Attached scsi CD-ROM sr0 at scsi2, > channel 0, id 5, lun 0 > May 17 16:19:36 node01 kernel: sym2:5: FAST-20 SCSI 20.0 MB/s ST (50.= 0 > ns, offset 16) > May 17 16:19:36 node01 kernel: sr0: scsi3-mmc drive: 17x/40x cd/rw > xa/form2 cdda tray > May 17 16:19:36 node01 kernel: Uniform CD-ROM driver Revision: 3.12 > May 17 16:19:36 node01 kernel: sym0:0: FAST-20 SCSI 20.0 MB/s ST (50.= 0 > ns, offset 16) > May 17 16:19:36 node01 kernel: SCSI device sda: 17776640 512-byte hdw= r > sectors (9102 MB) > May 17 16:19:36 node01 kernel: Partition check: > May 17 16:19:36 node01 kernel: sda: sda1 sda2 sda3 sda4 > May 17 16:19:36 node01 kernel: SCSI device sdb: 17776640 512-byte hdw= r > sectors (9102 MB) > May 17 16:19:36 node01 kernel: sdb: sdb1 >=20 > Like you can see, it founds 8 disks ! > I tried to increase max_scsi_luns to 64 to see if it will find as man= y > disks as luns, but it does not go after lun7 =3D=3D> 8 disks >=20 > There are 3 drivers in linux kernel 2.4.18 that supports may SCSI HBA > (sym53c8xx,sym53c8xx_2 and ncr53c8xx) but I have always the same > results... >=20 > Infortunately, I can't make tests with other cards, because I don't h= ave > them ! > (scsi hvd connectors). >=20 > Well, I don't know why the lk founds as many disks... >=20 > What do you think about it ? > Do you have any idea ? >=20 > Thanks in advance for your help ! G=E9rard and Doug, thanks for your help. But, in fact, after re-reading my email, I've seen it's confusing because I didn't explain correctly the problem. The lk 2.2 has the good comportment : it only finds the 2 disks. And, that's ok, I have really only 2 disks to be seen. The problem is with the 2.4 kernel that finds 8 disks but it should onl= y see 2 disks, because there is only 2 disks ! The other disks are not accessible : $fdisk /dev/sdc Unable to open /dev/sdc It's the same from sdc to sdh... I've tried in the 2.4 kernel to increase the max_scsi_luns because I thought lk may find as disks as many luns I have, but it's not the case : it don't find more than 8 disks (maybe this is reassuring...). So here is the problem : the lk 2.4 finds more disks than I have ! Sorry about the confusing... Thanks in advance for your help ! ------------- =46abien SALVI Centre de Ressources Informatiques Archamps, France -- http://www.cri74.org PingOO GNU/linux distribution : http://www.pingoo.org - To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html