These messages are seen because there is no support for this device in-built in the scsi_dh_rdac module. These will disappear when youadded the device support to scsi_dh_rdac module and include the module in your initrd image. On Mon, 2009-08-24 at 23:14 +0200, Jakov Sosic wrote: > On Mon, 24 Aug 2009 13:57:31 -0700 > Chandra Seetharaman <sekharan@xxxxxxxxxx> wrote: > > > If you are up for debugging, we can try putting some debug to see if > > we are getting any sense information along with the IO failure. > > OK, here is the dmesg from last reboot, only things that are of > importance to this case: > > SCSI subsystem initialized > Fusion MPT base driver 3.04.07 > Copyright (c) 1999-2008 LSI Corporation > Fusion MPT SAS Host driver 3.04.07 > ACPI: PCI Interrupt 0000:07:00.0[A] -> GSI 17 (level, low) -> IRQ 17 > mptbase: ioc0: Initiating bringup > > ... > > mptbase: ioc1: Initiating bringup > ioc1: LSISAS1068E B3: Capabilities={Initiator} > PCI: Setting latency timer of device 0000:09:00.0 to 64 > scsi1 : ioc1: LSISAS1068E B3, FwRev=011704dbh, Ports=1, MaxQ=829, IRQ=22 > Vendor: SUN Model: LCSM100_S Rev: 0735 > Type: Direct-Access ANSI SCSI revision: 05 > SCSI device sdb: 204800 512-byte hdwr sectors (105 MB) > sdb: Write Protect is off > sdb: Mode Sense: 77 00 10 08 > SCSI device sdb: drive cache: write back w/ FUA > SCSI device sdb: 204800 512-byte hdwr sectors (105 MB) > sdb: Write Protect is off > sdb: Mode Sense: 77 00 10 08 > SCSI device sdb: drive cache: write back w/ FUA > sdb:end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > Dev sdb: unable to read RDB block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > end_request: I/O error, dev sdb, sector 0 > Buffer I/O error on device sdb, logical block 0 > unable to read partition table > sd 1:0:0:0: Attached scsi disk sdb > Vendor: SUN Model: LCSM100_S Rev: 0735 > Type: Direct-Access ANSI SCSI revision: 05 > SCSI device sdc: 241172480 512-byte hdwr sectors (123480 MB) > sdc: Write Protect is off > sdc: Mode Sense: 77 00 10 08 > SCSI device sdc: drive cache: write back w/ FUA > SCSI device sdc: 241172480 512-byte hdwr sectors (123480 MB) > sdc: Write Protect is off > sdc: Mode Sense: 77 00 10 08 > SCSI device sdc: drive cache: write back w/ FUA > sdc:end_request: I/O error, dev sdc, sector 0 > Buffer I/O error on device sdc, logical block 0 > end_request: I/O error, dev sdc, sector 0 > Buffer I/O error on device sdc, logical block 0 > end_request: I/O error, dev sdc, sector 0 > end_request: I/O error, dev sdc, sector 0 > end_request: I/O error, dev sdc, sector 0 > end_request: I/O error, dev sdc, sector 0 > end_request: I/O error, dev sdc, sector 0 > Dev sdc: unable to read RDB block 0 > end_request: I/O error, dev sdc, sector 0 > end_request: I/O error, dev sdc, sector 0 > unable to read partition table > sd 1:0:0:1: Attached scsi disk sdc > Vendor: SUN Model: LCSM100_S Rev: 0735 > Type: Direct-Access ANSI SCSI revision: 05 > SCSI device sdd: 43274240 512-byte hdwr sectors (22156 MB) > sdd: Write Protect is off > sdd: Mode Sense: 77 00 10 08 > SCSI device sdd: drive cache: write back w/ FUA > SCSI device sdd: 43274240 512-byte hdwr sectors (22156 MB) > sdd: Write Protect is off > sdd: Mode Sense: 77 00 10 08 > SCSI device sdd: drive cache: write back w/ FUA > sdd: unknown partition table > sd 1:0:0:2: Attached scsi disk sdd > Vendor: SUN Model: LCSM100_S Rev: 0735 > Type: Direct-Access ANSI SCSI revision: 05 > SCSI device sde: 204800 512-byte hdwr sectors (105 MB) > sde: Write Protect is off > sde: Mode Sense: 77 00 10 08 > SCSI device sde: drive cache: write back w/ FUA > SCSI device sde: 204800 512-byte hdwr sectors (105 MB) > sde: Write Protect is off > sde: Mode Sense: 77 00 10 08 > SCSI device sde: drive cache: write back w/ FUA > sde:end_request: I/O error, dev sde, sector 0 > end_request: I/O error, dev sde, sector 0 > printk: 8 messages suppressed. > Buffer I/O error on device sde, logical block 0 > end_request: I/O error, dev sde, sector 0 > end_request: I/O error, dev sde, sector 0 > end_request: I/O error, dev sde, sector 0 > end_request: I/O error, dev sde, sector 0 > end_request: I/O error, dev sde, sector 0 > Dev sde: unable to read RDB block 0 > end_request: I/O error, dev sde, sector 0 > end_request: I/O error, dev sde, sector 0 > unable to read partition table > sd 1:0:1:0: Attached scsi disk sde > Vendor: SUN Model: LCSM100_S Rev: 0735 > Type: Direct-Access ANSI SCSI revision: 05 > SCSI device sdf: 241172480 512-byte hdwr sectors (123480 MB) > sdf: Write Protect is off > sdf: Mode Sense: 77 00 10 08 > SCSI device sdf: drive cache: write back w/ FUA > SCSI device sdf: 241172480 512-byte hdwr sectors (123480 MB) > sdf: Write Protect is off > sdf: Mode Sense: 77 00 10 08 > SCSI device sdf: drive cache: write back w/ FUA > sdf: unknown partition table > sd 1:0:1:1: Attached scsi disk sdf > Vendor: SUN Model: LCSM100_S Rev: 0735 > Type: Direct-Access ANSI SCSI revision: 05 > SCSI device sdg: 43274240 512-byte hdwr sectors (22156 MB) > sdg: Write Protect is off > sdg: Mode Sense: 77 00 10 08 > SCSI device sdg: drive cache: write back w/ FUA > SCSI device sdg: 43274240 512-byte hdwr sectors (22156 MB) > sdg: Write Protect is off > sdg: Mode Sense: 77 00 10 08 > SCSI device sdg: drive cache: write back w/ FUA > sdg:end_request: I/O error, dev sdg, sector 0 > end_request: I/O error, dev sdg, sector 0 > printk: 8 messages suppressed. > Buffer I/O error on device sdg, logical block 0 > end_request: I/O error, dev sdg, sector 0 > end_request: I/O error, dev sdg, sector 0 > end_request: I/O error, dev sdg, sector 0 > end_request: I/O error, dev sdg, sector 0 > end_request: I/O error, dev sdg, sector 0 > Dev sdg: unable to read RDB block 0 > end_request: I/O error, dev sdg, sector 0 > end_request: I/O error, dev sdg, sector 0 > unable to read partition table > sd 1:0:1:2: Attached scsi disk sdg > shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 > libata version 3.00 loaded. > > > Now, this seems like some kind of a problem on the LCMS100_S driver > side? MPT_SAS? > > > Very strange... > > > > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel