Good.. Good.. Thanks for the update... --Babu Moger > -----Original Message----- > From: dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] > On Behalf Of John Hughes > Sent: Tuesday, September 29, 2009 11:56 AM > To: device-mapper development > Subject: Re: Dell MD3000/multipath - huge numbers of I/O > errors on boot > > Moger, Babu wrote: > > This is a know problem.. As far as I know these errors mostly come > during the boot-up if the scsi rdac handler is not there in the initrd > image. You might want to try building scsi_dh_rdac into the initrd > image. > Yay! that works. Now I get a nice quiet(ish) boot: > > [ 0.000000] Initializing cgroup subsys cpuset > ... > [ 1.292136] SCSI subsystem initialized > [ 1.294173] rdac: device handler registered > ... > [ 30.781404] scsi3 : ioc0: LSISAS1068 B0, FwRev=000a3300h, Ports=1, > MaxQ=366, IRQ=38 > [ 30.820324] scsi 3:0:0:0: Direct-Access DELL MD3000 > 0735 PQ: 0 ANSI: 5 > [ 30.843415] scsi 3:0:0:0: rdac: LUN 0 (owned) > [ 30.843838] sd 3:0:0:0: [sdb] 142323712 512-byte hardware sectors: > (72.8 GB/67.8 GiB) > [ 30.844158] sd 3:0:0:0: [sdb] Write Protect is off > [ 30.844251] sd 3:0:0:0: [sdb] Mode Sense: 77 00 10 08 > [ 30.844929] sd 3:0:0:0: [sdb] Write cache: enabled, read cache: > enabled, supports DPO and FUA > [ 30.845678] sd 3:0:0:0: [sdb] 142323712 512-byte hardware sectors: > (72.8 GB/67.8 GiB) > [ 30.846020] sd 3:0:0:0: [sdb] Write Protect is off > [ 30.846114] sd 3:0:0:0: [sdb] Mode Sense: 77 00 10 08 > [ 30.846532] sd 3:0:0:0: [sdb] Write cache: enabled, read cache: > enabled, supports DPO and FUA > [ 30.846649] sdb: unknown partition table > [ 30.857018] sd 3:0:0:0: [sdb] Attached SCSI disk > [ 30.857114] sd 3:0:0:0: Embedded Enclosure Device > [ 31.229896] sd 3:0:0:0: Attached scsi generic sg3 type 0 > [ 31.234390] scsi 3:0:0:1: Direct-Access DELL MD3000 > 0735 PQ: 0 ANSI: 5 > [ 31.256709] scsi 3:0:0:1: rdac: LUN 1 (unowned) > [ 31.257125] sd 3:0:0:1: [sdc] 142323712 512-byte hardware sectors: > (72.8 GB/67.8 GiB) > [ 31.257444] sd 3:0:0:1: [sdc] Write Protect is off > [ 31.257539] sd 3:0:0:1: [sdc] Mode Sense: 77 00 10 08 > [ 31.257909] sd 3:0:0:1: [sdc] Write cache: enabled, read cache: > enabled, supports DPO and FUA > [ 31.258338] sd 3:0:0:1: [sdc] 142323712 512-byte hardware sectors: > (72.8 GB/67.8 GiB) > [ 31.258651] sd 3:0:0:1: [sdc] Write Protect is off > [ 31.258744] sd 3:0:0:1: [sdc] Mode Sense: 77 00 10 08 > [ 31.259108] sd 3:0:0:1: [sdc] Write cache: enabled, read cache: > enabled, supports DPO and FUA > [ 31.259223] sdc:<2>ldm_validate_partition_table(): Disk read > failed. > [ 31.264296] Dev sdc: unable to read RDB block 0 > [ 31.264389] unable to read partition table > [ 31.264521] sd 3:0:0:1: [sdc] Attached SCSI disk > [ 31.264614] sd 3:0:0:1: Embedded Enclosure Device > [ 31.528977] sd 3:0:0:1: Attached scsi generic sg4 type 0 > > > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
