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Message-ID: <49401F04.90408@gmail.com> Date: Wed, 10 Dec 2008 13:56:52 -0600 From: daumas <daumas77@...il.com> To: linux-kernel@...r.kernel.org Subject: Problem with SI3124-based controller and SI 4726-based PMP in RAID10 mode I have a sata_sil24 problem involving a 4-port SI3124-based controller connected to a 3-port eSATA enclosure. Each eSATA port is an SI 4726-based H/W PMP. The PMPs are connected to (13) 1 TB hard drives, as indicated below. PCI3124 Port 1 4726 (Configured in RAID10 mode) 4726 Port 1 => 1 TB drive 4726 Port 2 => 1 TB drive 4726 Port 3 => 1 TB drive 4726 Port 4 => 1 TB drive 4726 Port 5 => 1 TB drive PCI3124 Port 2 4726 (Configured in RAID10 mode) 4726 Port 1 => 1 TB drive 4726 Port 2 => 1 TB drive 4726 Port 3 => 1 TB drive 4726 Port 4 => 1 TB drive 4726 Port 5 => 1 TB drive PCI3124 Port 3 4726 (Configured in JBOD/Passthru mode) 4726 Port 1 => 1 TB drive 4726 Port 2 => 1 TB drive 4726 Port 3 => 1 TB drive 4726 Port 4 => no connection 4726 Port 5 => no connection PCI3124 Port 4 =>no connection I am running openSuse 11.0 with a 2.6.27.7-4.1 kernel For the 4726 PMP configured in JBOD mode, all is well, and I can see all 3 disks. However, for the 4726 PMPs configured in RAID10 mode, I can see NONE of the disks. As I understand it, the 4726 is a hardware-based PMP which can handle RAID10 by itself and thereby offload the RAID processing. I would expect the 3124 controller to see the drives hidden behind the 4726 as a single unit, but this does not happen. Instead I get the errors listed at end, and the RAID10 device is not 'seen' at all. (Key error of note is "both IDENTIFYs aborted, assuming NODEV") JBOD is fine for host-only based RAID functionality, but I want the higher performance the 4726 offers for RAID10. Is is not possible to off-load the RAID10 function to the 4726 under linux? Any help, workarounds (beyond strict JBOD mode) are appreciated. Thanks! Dec 10 11:02:23 buildhost36 sudo: e-build : TTY=pts/1 ; PWD=/home/e-build ; USER=root ; COMMAND=/sbin/modprobe sata_sil24 Dec 10 11:02:23 buildhost36 kernel: sata_sil24 0000:03:03.0: version 1.1 Dec 10 11:02:23 buildhost36 kernel: vendor=8086 device=0329 Dec 10 11:02:23 buildhost36 kernel: vendor=8086 device=3595 Dec 10 11:02:23 buildhost36 kernel: sata_sil24 0000:03:03.0: PCI INT A -> GSI 72 (level, low) -> IRQ 64 Dec 10 11:02:23 buildhost36 kernel: sata_sil24 0000:03:03.0: Applying completion IRQ loss on PCI-X errata fix Dec 10 11:02:23 buildhost36 kernel: scsi8 : sata_sil24 Dec 10 11:02:23 buildhost36 kernel: scsi9 : sata_sil24 Dec 10 11:02:23 buildhost36 kernel: scsi10 : sata_sil24 Dec 10 11:02:23 buildhost36 kernel: scsi11 : sata_sil24 Dec 10 11:02:23 buildhost36 kernel: ata7: SATA max UDMA/100 host m128@...efffc00 port 0xdeff0000 irq 64 Dec 10 11:02:23 buildhost36 kernel: ata8: SATA max UDMA/100 host m128@...efffc00 port 0xdeff2000 irq 64 Dec 10 11:02:23 buildhost36 kernel: ata9: SATA max UDMA/100 host m128@...efffc00 port 0xdeff4000 irq 64 Dec 10 11:02:23 buildhost36 kernel: ata10: SATA max UDMA/100 host m128@...efffc00 port 0xdeff6000 irq 64 Dec 10 11:02:25 buildhost36 kernel: ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Dec 10 11:02:25 buildhost36 kernel: ata7.15: Port Multiplier 1.1, 0x1095:0x4726 r31, 3 ports, feat 0x1/0x9 Dec 10 11:02:25 buildhost36 kernel: ata7.00: hard resetting link Dec 10 11:02:25 buildhost36 kernel: ata7.00: SATA link down (SStatus 4 SControl 0) Dec 10 11:02:25 buildhost36 kernel: ata7.01: hard resetting link Dec 10 11:02:25 buildhost36 kernel: ata7.01: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Dec 10 11:02:25 buildhost36 kernel: ata7.02: hard resetting link Dec 10 11:02:26 buildhost36 kernel: ata7.02: SATA link up 1.5 Gbps (SStatus 113 SControl 320) Dec 10 11:02:26 buildhost36 kernel: ata7.01: unsupported device, disabling Dec 10 11:02:26 buildhost36 kernel: ata7.01: disabled Dec 10 11:02:26 buildhost36 kernel: ata7.02: both IDENTIFYs aborted, assuming NODEV Dec 10 11:02:26 buildhost36 kernel: ata7: EH complete Dec 10 11:02:28 buildhost36 kernel: ata8: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Dec 10 11:02:28 buildhost36 kernel: ata8.15: Port Multiplier 1.1, 0x1095:0x4726 r31, 3 ports, feat 0x1/0x9 Dec 10 11:02:28 buildhost36 kernel: ata8.00: hard resetting link Dec 10 11:02:28 buildhost36 kernel: ata8.00: SATA link down (SStatus 4 SControl 0) Dec 10 11:02:28 buildhost36 kernel: ata8.01: hard resetting link Dec 10 11:02:29 buildhost36 kernel: ata8.01: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Dec 10 11:02:29 buildhost36 kernel: ata8.02: hard resetting link Dec 10 11:02:29 buildhost36 kernel: ata8.02: SATA link up 1.5 Gbps (SStatus 113 SControl 320) Dec 10 11:02:29 buildhost36 kernel: ata8.01: unsupported device, disabling Dec 10 11:02:29 buildhost36 kernel: ata8.01: disabled Dec 10 11:02:29 buildhost36 kernel: ata8.02: both IDENTIFYs aborted, assuming NODEV Dec 10 11:02:29 buildhost36 kernel: ata8: EH complete Dec 10 11:02:31 buildhost36 kernel: ata9: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Dec 10 11:02:31 buildhost36 kernel: ata9.15: Port Multiplier 1.1, 0x1095:0x4726 r31, 7 ports, feat 0x1/0x9 Dec 10 11:02:31 buildhost36 kernel: ata9.00: hard resetting link Dec 10 11:02:32 buildhost36 kernel: ata9.00: SATA link up 1.5 Gbps (SStatus 113 SControl 320) Dec 10 11:02:32 buildhost36 kernel: ata9.01: hard resetting link Dec 10 11:02:32 buildhost36 kernel: ata9.01: SATA link up 1.5 Gbps (SStatus 113 SControl 300) Dec 10 11:02:32 buildhost36 kernel: ata9.02: hard resetting link Dec 10 11:02:32 buildhost36 kernel: ata9.02: SATA link up 1.5 Gbps (SStatus 113 SControl 300) Dec 10 11:02:32 buildhost36 kernel: ata9.03: hard resetting link Dec 10 11:02:33 buildhost36 kernel: ata9.03: SATA link down (SStatus 0 SControl 320) Dec 10 11:02:33 buildhost36 kernel: ata9.04: hard resetting link Dec 10 11:02:33 buildhost36 kernel: ata9.04: SATA link down (SStatus 0 SControl 320) Dec 10 11:02:33 buildhost36 kernel: ata9.05: hard resetting link Dec 10 11:02:33 buildhost36 kernel: ata9.05: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Dec 10 11:02:33 buildhost36 kernel: ata9.06: hard resetting link Dec 10 11:02:34 buildhost36 kernel: ata9.06: SATA link up 1.5 Gbps (SStatus 113 SControl 320) Dec 10 11:02:34 buildhost36 kernel: ata9.00: ATA-8: ST31000340AS, SD15, max UDMA/133 Dec 10 11:02:34 buildhost36 kernel: ata9.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32) Dec 10 11:02:34 buildhost36 kernel: ata9.00: configured for UDMA/100 Dec 10 11:02:34 buildhost36 kernel: ata9.01: ATA-8: ST31000340AS, SD15, max UDMA/133 Dec 10 11:02:34 buildhost36 kernel: ata9.01: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32) Dec 10 11:02:34 buildhost36 kernel: ata9.01: configured for UDMA/100 Dec 10 11:02:34 buildhost36 kernel: ata9.02: ATA-8: ST31000340AS, SD15, max UDMA/133 Dec 10 11:02:34 buildhost36 kernel: ata9.02: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32) Dec 10 11:02:34 buildhost36 kernel: ata9.02: configured for UDMA/100 Dec 10 11:02:34 buildhost36 kernel: ata9.05: unsupported device, disabling Dec 10 11:02:34 buildhost36 kernel: ata9.05: disabled Dec 10 11:02:34 buildhost36 kernel: ata9: EH complete Dec 10 11:02:36 buildhost36 kernel: ata10: SATA link down (SStatus 0 SControl 0) Dec 10 11:02:36 buildhost36 kernel: scsi 10:0:0:0: Direct-Access ATA ST31000340AS SD15 PQ: 0 ANSI: 5 Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] 1953525168 512-byte hardware sectors: (1000GB/931GiB) Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] Write Protect is off Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] Mode Sense: 00 3a 00 00 Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] 1953525168 512-byte hardware sectors: (1000GB/931GiB) Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] Write Protect is off Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] Mode Sense: 00 3a 00 00 Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Dec 10 11:02:36 buildhost36 kernel: sdb: Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: [sdb] Attached SCSI disk Dec 10 11:02:36 buildhost36 kernel: sd 10:0:0:0: Attached scsi generic sg2 type 0 Dec 10 11:02:36 buildhost36 kernel: scsi 10:1:0:0: Direct-Access ATA ST31000340AS SD15 PQ: 0 ANSI: 5 Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] 1953525168 512-byte hardware sectors: (1000GB/931GiB) Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] Write Protect is off Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] Mode Sense: 00 3a 00 00 Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] 1953525168 512-byte hardware sectors: (1000GB/931GiB) Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] Write Protect is off Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] Mode Sense: 00 3a 00 00 Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Dec 10 11:02:36 buildhost36 kernel: sdc: Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: [sdc] Attached SCSI disk Dec 10 11:02:36 buildhost36 kernel: sd 10:1:0:0: Attached scsi generic sg3 type 0 Dec 10 11:02:36 buildhost36 kernel: scsi 10:2:0:0: Direct-Access ATA ST31000340AS SD15 PQ: 0 ANSI: 5 Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] 1953525168 512-byte hardware sectors: (1000GB/931GiB) Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] Write Protect is off Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] Mode Sense: 00 3a 00 00 Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] 1953525168 512-byte hardware sectors: (1000GB/931GiB) Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] Write Protect is off Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] Mode Sense: 00 3a 00 00 Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Dec 10 11:02:36 buildhost36 kernel: sdd: sdd1 Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: [sdd] Attached SCSI disk Dec 10 11:02:36 buildhost36 kernel: sd 10:2:0:0: Attached scsi generic sg4 type 0 Dec 10 11:02:55 buildhost36 sshd[6534]: Accepted keyboard-interactive/pam for e-build from 9.65.98.119 port 34222 ssh2 Dec 10 11:03:57 buildhost36 sshd[6566]: Accepted keyboard-interactive/pam for root from 9.65.98.119 port 44494 ssh2 Henri Daumas Global TIM Competency - Integrated Operations Configuration Management/Build -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message 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