Trouble with StorageTek 2530 (SAS) and RDAC

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Hi!

I have contacted list almost a half a year ago about this storage. I
still haven't figured out how to set it up... I have 3 nodes connected
to it, and 2 volumes shared across all 3 nodes. I'm using CentOS 5.4.
Here is my multipath.conf:


defaults {
	udev_dir		/dev
	polling_interval 	10
	selector		"round-robin 0"
	path_grouping_policy	multibus
	getuid_callout		"/sbin/scsi_id -g -u -s /block/%n"
	prio_callout		/bin/true
	path_checker		readsector0
	rr_min_io		100
	max_fds			8192
	rr_weight		priorities
	failback		immediate
	no_path_retry		fail
}
blacklist {
	devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
	devnode "^hd[a-z]"
	devnode "^sda"
}
multipaths {
	multipath {
		wwid			3600a0b80003abc5c000011504b52f919
		alias			sas-qd
	}
	multipath {
		wwid			3600a0b80002fcd1800001a374b52fa1e
		alias			sas-data
	}
}

devices {
	device {
		vendor			"SUN"
		product			"LCSM100_S"
		getuid_callout		"/sbin/scsi_id -g -u -s /block/%n"
		prio_callout            "/sbin/mpath_prio_rdac /dev/%n"
		features		"0"
		hardware_handler	"1 rdac"
		path_grouping_policy	group_by_prio
		failback		immediate
		path_checker		rdac
		rr_weight		uniform
		no_path_retry		300
		rr_min_io		1000
	}
}


And here is multipath -ll:
# multipath -ll sas-data
sas-data (3600a0b80002fcd1800001a374b52fa1e) dm-1 SUN,LCSM100_S
[size=2.7T][features=1 queue_if_no_path][hwhandler=1 rdac][rw]
\_ round-robin 0 [prio=100][enabled]
 \_ 1:0:3:1  sde 8:64  [active][ready]
\_ round-robin 0 [prio=0][enabled]
 \_ 1:0:0:1  sdc 8:32  [active][ghost]


On that volume, I have set up CLVM, and I have created one logical
clustered volume. If I try to format it with ext3, here is what I finish
with:


Jan 26 23:00:43 node01 kernel: mptbase: ioc1: LogInfo(0x31140000):
Originator={PL}, Code={IO Executed}, SubCode(0x0000)
Jan 26 23:00:43 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:43 node01 kernel: end_request: I/O error, dev sde, sector
1360267648
Jan 26 23:00:43 node01 kernel: device-mapper: multipath: Failing path 8:64.
Jan 26 23:00:43 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:43 node01 kernel: end_request: I/O error, dev sde, sector
1360269696
Jan 26 23:00:43 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:43 node01 kernel: end_request: I/O error, dev sde, sector
1360527744
Jan 26 23:00:43 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:43 node01 kernel: end_request: I/O error, dev sde, sector
1360528768
Jan 26 23:00:43 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:43 node01 kernel: end_request: I/O error, dev sde, sector
1360529792
Jan 26 23:00:43 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:43 node01 multipathd: 8:64: mark as failed
Jan 26 23:00:43 node01 kernel: end_request: I/O error, dev sde, sector
1360530816
Jan 26 23:00:44 node01 multipathd: sas-data: remaining active paths: 1
Jan 26 23:00:44 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:44 node01 multipathd: dm-1: add map (uevent)
Jan 26 23:00:44 node01 kernel: end_request: I/O error, dev sde, sector
1360531840
Jan 26 23:00:44 node01 multipathd: dm-1: devmap already registered
Jan 26 23:00:44 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:44 node01 multipathd: sdd: remove path (uevent)
Jan 26 23:00:44 node01 kernel: end_request: I/O error, dev sde, sector
1360789888
Jan 26 23:00:44 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:44 node01 kernel: end_request: I/O error, dev sde, sector
1360790912
.
.
.
lot of similar messages
.
.
.

Jan 26 23:00:50 node01 kernel: sd 1:0:1:1: SCSI error: return code =
0x00010000
Jan 26 23:00:50 node01 kernel: end_request: I/O error, dev sde, sector
1358694784
Jan 26 23:00:50 node01 kernel: mptsas: ioc1: removing ssp device,
channel 0, id 4, phy 7
Jan 26 23:00:50 node01 kernel: scsi 1:0:1:0: rdac Dettached
Jan 26 23:00:50 node01 kernel: scsi 1:0:1:1: rdac Dettached
Jan 26 23:00:50 node01 kernel: sd 1:0:0:1: queueing MODE_SELECT command.
Jan 26 23:00:50 node01 kernel: device-mapper: multipath: Using scsi_dh
module scsi_dh_rdac for failover/failback and device management.
Jan 26 23:00:51 node01 kernel: sd 1:0:0:0: rdac Dettached
Jan 26 23:00:51 node01 multipathd: sas-qd: load table [0 204800
multipath 0 1 rdac 1 1 round-robin 0 1 1 8:16 1000]
Jan 26 23:00:51 node01 multipathd: sde: remove path (uevent)
Jan 26 23:00:51 node01 kernel: device-mapper: multipath: Using scsi_dh
module scsi_dh_rdac for failover/failback and device management.
Jan 26 23:00:52 node01 kernel: sd 1:0:0:1: rdac Dettached
Jan 26 23:00:52 node01 multipathd: sas-data: load table [0 5855165440
multipath 0 1 rdac 1 1 round-robin 0 1 1 8:32 1000]
Jan 26 23:00:52 node01 multipathd: dm-0: add map (uevent)
Jan 26 23:00:52 node01 multipathd: dm-0: devmap already registered
Jan 26 23:00:52 node01 multipathd: dm-1: add map (uevent)
Jan 26 23:00:52 node01 multipathd: dm-1: devmap already registered
Jan 26 23:00:52 node01 kernel: device-mapper: multipath: Cannot failover
device because scsi_dh_rdac was not loaded.


Any ideas?


-- 
|    Jakov Sosic    |    ICQ: 28410271    |   PGP: 0x965CAE2D   |
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