From: Fabien Salvi <fabien@cri74.org>
To: linux-scsi@vger.kernel.org
Cc: Lorraine Suschetet <lorraine@ext.cri74.org>
Subject: Re: Pb with external RAID controller in lk 2.4
Date: Wed, 22 May 2002 09:49:01 +0200 [thread overview]
Message-ID: <3CEB4D6D.92C207EE@cri74.org> (raw)
In-Reply-To: 3CEA83AE.1DCAB7BC@cri74.org
Fabien Salvi wrote:
>
> Hello, I have problem when using the lk 2.4
>
> 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
>
> 1) With kernel 2.2 (exactly 2.2.19, but it's the same through 2.2.9 to
> 2.2.19), I have no problems, my disks are visible without problems :
>
> 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 Symbios
> 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 Symbios
> 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 Symbios
> NVRAM
> May 17 16:22:28 node01 kernel: sym53c876-0: rev 0x14 on pci bus 2 device
> 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 device
> 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 device
> 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, channel
> 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, channel
> 0, id 0, lun 1
> May 17 16:22:28 node01 kernel: sym53c876-0-<0,0>: tagged command queue
> depth set to 8
> May 17 16:22:28 node01 kernel: sym53c876-0-<0,1>: tagged command queue
> 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 MB/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 MB/s
> (50 ns, offset 16)
> May 17 16:22:28 node01 kernel: SCSI device sda: hdwr sector= 512 bytes.
> Sectors= 17776640 [8680 MB] [8.7 GB]
> May 17 16:22:28 node01 kernel: SCSI device sdb: hdwr sector= 512 bytes.
> Sectors= 17776640 [8680 MB] [8.7 GB]
>
> It founds the real 2 disks exporting from the RAID controller (in fact
> 2*2 disks in RAID 1)
>
> 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 device
> 8 function 0 irq 15
> May 17 16:19:36 node01 kernel: sym0: Symbios NVRAM, ID 7, Fast-20, HVD,
> parity checking
> May 17 16:19:36 node01 kernel: sym0: open drain IRQ line driver, using
> 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 device
> 8 function 1 irq 5
> May 17 16:19:36 node01 kernel: sym1: Symbios NVRAM, ID 7, Fast-20, HVD,
> parity checking
> May 17 16:19:36 node01 kernel: sym1: open drain IRQ line driver, using
> 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 device 1
> function 0 irq 10
> May 17 16:19:36 node01 kernel: sym2: Symbios NVRAM, ID 7, Fast-40, LVD,
> parity checking
> May 17 16:19:36 node01 kernel: sym2: open drain IRQ line driver, using
> 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 enabled,
> command queue depth 16.
> May 17 16:19:36 node01 kernel: sym0:0:1: tagged command queuing enabled,
> command queue depth 16.
> May 17 16:19:36 node01 kernel: sym0:0:2: tagged command queuing enabled,
> command queue depth 16.
> May 17 16:19:36 node01 kernel: sym0:0:3: tagged command queuing enabled,
> command queue depth 16.
> May 17 16:19:36 node01 kernel: sym0:0:4: tagged command queuing enabled,
> command queue depth 16.
> May 17 16:19:36 node01 kernel: sym0:0:5: tagged command queuing enabled,
> command queue depth 16.
> May 17 16:19:36 node01 kernel: sym0:0:6: tagged command queuing enabled,
> command queue depth 16.
> May 17 16:19:36 node01 kernel: sym0:0:7: tagged command queuing enabled,
> 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, channel
> 0, id 0, lun 0
> May 17 16:19:36 node01 kernel: Attached scsi disk sdb at scsi0, channel
> 0, id 0, lun 1
> May 17 16:19:36 node01 kernel: Attached scsi disk sdc at scsi0, channel
> 0, id 0, lun 2
> May 17 16:19:36 node01 kernel: Attached scsi disk sdd at scsi0, channel
> 0, id 0, lun 3
> May 17 16:19:36 node01 kernel: Attached scsi disk sde at scsi0, channel
> 0, id 0, lun 4
> May 17 16:19:36 node01 kernel: Attached scsi disk sdf at scsi0, channel
> 0, id 0, lun 5
> May 17 16:19:36 node01 kernel: Attached scsi disk sdg at scsi0, channel
> 0, id 0, lun 6
> May 17 16:19:36 node01 kernel: Attached scsi disk sdh at scsi0, channel
> 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 hdwr
> 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 hdwr
> sectors (9102 MB)
> May 17 16:19:36 node01 kernel: sdb: sdb1
>
> Like you can see, it founds 8 disks !
> I tried to increase max_scsi_luns to 64 to see if it will find as many
> disks as luns, but it does not go after lun7 ==> 8 disks
>
> 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...
>
> Infortunately, I can't make tests with other cards, because I don't have
> them !
> (scsi hvd connectors).
>
> Well, I don't know why the lk founds as many disks...
>
> What do you think about it ?
> Do you have any idea ?
>
> Thanks in advance for your help !
Gérard 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 only
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 !
-------------
Fabien SALVI Centre de Ressources Informatiques
Archamps, France -- http://www.cri74.org
PingOO GNU/linux distribution : http://www.pingoo.org
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next prev parent reply other threads:[~2002-05-22 7:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-21 17:28 Pb with external RAID controller in lk 2.4 Fabien Salvi
2002-05-22 0:03 ` Gérard Roudier
2002-05-22 1:03 ` Douglas Gilbert
2002-05-22 7:49 ` Fabien Salvi [this message]
2002-05-22 17:03 ` Patrick Mansfield
2002-05-23 9:01 ` Fabien Salvi
2002-05-24 17:17 ` Kurt Garloff
2002-05-24 17:44 ` Patrick Mansfield
2002-05-24 17:55 ` Kurt Garloff
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