What sort of harddrives are you using? I've seen severe issues with WD drives 
on SAS expanders like that

roy

----- Original Message -----
> Hi,
> i am running for testing puposes 10 u9 and seeing regular
> 
> command timeout for Target
> 
> wich results in hanging the entire system.
> the only way to "solve" this is resetting the system.
> 
> 
> i have read so much post about this problems.
> first my setup was:
> - sc847e16 with single expander
> - one lsi 1068
> - 24 harddrives
> 
> problem still exists
> 
> then i replaced all 24 sata drives with enterprise SAS drives
> 
> problem still exists
> 
> then added an additional lsi 1068 so that the front and back have
> their
> own controller
> 
> problem still exists
> 
> replaced the entire sc847e16 expander chassis with an expanderless,
> so now all 24 drives are connected to 4 8 channels lsi1068
> 
> problem still exists.
> 
> updated all firmware on controller
> 
> problem still exists
> 
> also added
> set mpt:mpt_enable_msi = 0
> set mptsas:mptsas_enable_msi=0
> 
> any usefull help is recommend.
> i am thinking about switching back to 10 u8 for later production use.
> 
> best regards
> daniel
> 
> 
> setup remote syslogging and see:
> intresting is that all errors begin at the same time.
> 
> 20:36:26 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0 (mpt0):
> 20:36:26 command timeout for Target 0
> 20:36:27 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0 (mpt1):
> 20:36:27 command timeout for Target 7
> 20:36:27 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0 (mpt3):
> 20:36:27 command timeout for Target 6
> 20:36:27 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0 (mpt2):
> 20:36:27 command timeout for Target 10
> 20:37:28 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0 (mpt1):
> 20:37:28 command timeout for Target 4
> 20:37:28 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0 (mpt3):
> 20:37:28 command timeout for Target 3
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0 (mpt0):
> 20:37:39 command timeout for Target 1
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0/sd@0,0 (sd51):
> 20:37:39 for Command: write(10) Error Level: Retryable
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0 (mpt2):
> 20:37:39 command timeout for Target 10
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0/sd@a,0 (sd48):
> 20:37:39 for Command: write(10) Error Level: Retryable
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0 (mpt0):
> 20:38:40 command timeout for Target 0
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0/sd@1,0 (sd5):
> 20:38:40 for Command: write(10) Error Level: Retryable
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0/sd@0,0 (sd51):
> 20:38:40 transport failed: reason \'reset\': retrying command
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0 (mpt1):
> 20:38:40 command timeout for Target 7
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0/sd@4,0 (sd7):
> 20:38:40 for Command: write(10) Error Level: Retryable
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0/sd@7,0 (sd14):
> 20:38:40 transport failed: reason \'reset\': retrying command
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0 (mpt3):
> 20:38:40 command timeout for Target 13
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0/sd@3,0 (sd43):
> 20:38:40 for Command: write(10) Error Level: Retryable
> 20:38:41 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0 (mpt2):
> 20:38:41 command timeout for Target 9
> 20:38:41 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0/sd@a,0 (sd48):
> 20:38:41 for Command: write(10) Error Level: Retryable
> 20:39:41 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0 (mpt1):
> 20:39:41 command timeout for Target 5
> 20:39:41 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0/sd@7,0 (sd14):
> 20:39:41 for Command: write(10) Error Level: Retryable
> 20:39:42 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0 (mpt3):
> 20:39:42 command timeout for Target 3
> 20:39:42 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0/sd@3,0 (sd43):
> 20:39:42 transport failed: reason \'reset\': retrying command
> 20:39:52 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0 (mpt0):
> 20:39:52 command timeout for Target 1
> 
> 
> in messages files i have
> 20:36:26 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0 (mpt0):
> 20:36:26 command timeout for Target 0
> 20:36:27 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0 (mpt1):
> 20:36:27 command timeout for Target 7
> 20:36:27 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0 (mpt3):
> 20:36:27 command timeout for Target 6
> 20:36:27 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0 (mpt2):
> 20:36:27 command timeout for Target 10
> 20:37:28 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0 (mpt1):
> 20:37:28 command timeout for Target 4
> 20:37:28 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0 (mpt3):
> 20:37:28 command timeout for Target 3
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0 (mpt0):
> 20:37:39 command timeout for Target 1
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0/sd@0,0 (sd51):
> 20:37:39 for Command: write(10) Error Level: Retryable
> 20:37:39 scsi: [ID 107833 kern.notice] \011Requested Block: 728396797
> Error Block: 728396797
> 20:37:39 scsi: [ID 107833 kern.notice] \011Vendor: SEAGATE Serial
> Number: 9WJ0K4NK
> 20:37:39 scsi: [ID 107833 kern.notice] \011Sense Key: Unit Attention
> 20:37:39 scsi: [ID 107833 kern.notice] \011ASC: 0x29 (scsi bus reset
> occurred), ASCQ: 0x2, FRU: 0x2
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0 (mpt2):
> 20:37:39 command timeout for Target 10
> 20:37:39 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340c@5/pci1000,3140@0/sd@a,0 (sd48):
> 20:37:39 for Command: write(10) Error Level: Retryable
> 20:37:39 scsi: [ID 107833 kern.notice] \011Requested Block: 791838419
> Error Block: 791838419
> 20:37:39 scsi: [ID 107833 kern.notice] \011Vendor: SEAGATE Serial
> Number: 9WJ0JFJ6
> 20:37:39 scsi: [ID 107833 kern.notice] \011Sense Key: Unit Attention
> 20:37:39 scsi: [ID 107833 kern.notice] \011ASC: 0x29 (scsi bus reset
> occurred), ASCQ: 0x2, FRU: 0x2
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0 (mpt0):
> 20:38:40 command timeout for Target 0
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0/sd@1,0 (sd5):
> 20:38:40 for Command: write(10) Error Level: Retryable
> 20:38:40 scsi: [ID 107833 kern.notice] \011Requested Block: 791838419
> Error Block: 791838419
> 20:38:40 scsi: [ID 107833 kern.notice] \011Vendor: SEAGATE Serial
> Number: 9WJ0K45D
> 20:38:40 scsi: [ID 107833 kern.notice] \011Sense Key: Unit Attention
> 20:38:40 scsi: [ID 107833 kern.notice] \011ASC: 0x29 (scsi bus reset
> occurred), ASCQ: 0x2, FRU: 0x2
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,3a40@1c/pci1000,3140@0/sd@0,0 (sd51):
> 20:38:40 transport failed: reason \'reset\': retrying command
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0 (mpt1):
> 20:38:40 command timeout for Target 7
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0/sd@4,0 (sd7):
> 20:38:40 for Command: write(10) Error Level: Retryable
> 20:38:40 scsi: [ID 107833 kern.notice] \011Requested Block: 317608183
> Error Block: 317608183
> 20:38:40 scsi: [ID 107833 kern.notice] \011Vendor: SEAGATE Serial
> Number: 9WJ0K4KL
> 20:38:40 scsi: [ID 107833 kern.notice] \011Sense Key: Unit Attention
> 20:38:40 scsi: [ID 107833 kern.notice] \011ASC: 0x29 (scsi bus reset
> occurred), ASCQ: 0x2, FRU: 0x2
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340e@7/pci1000,3140@0/sd@7,0 (sd14):
> 20:38:40 transport failed: reason \'reset\': retrying command
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0 (mpt3):
> 20:38:40 command timeout for Target 13
> 20:38:40 scsi: [ID 107833 kern.warning] WARNING:
> /pci@0,0/pci8086,340a@3/pci1000,3140@0/sd@3,0 (sd43):
> 20:38:40 for Command: write(10) Error Level: Retryable
> 
> 
> 
> the zpool layout looks:
> # zpool status
> pool: sasinfra
> state: ONLINE
> scrub: none requested
> config:
> 
> NAME STATE READ WRITE CKSUM
> sasinfra ONLINE 0 0 0
> mirror-0 ONLINE 0 0 0
> c3t4d0 ONLINE 0 0 0
> c0t5d0 ONLINE 0 0 0
> mirror-1 ONLINE 0 0 0
> c3t5d0 ONLINE 0 0 0
> c0t6d0 ONLINE 0 0 0
> mirror-2 ONLINE 0 0 0
> c3t6d0 ONLINE 0 0 0
> c0t7d0 ONLINE 0 0 0
> mirror-3 ONLINE 0 0 0
> c4t9d0 ONLINE 0 0 0
> c2t0d0 ONLINE 0 0 0
> mirror-4 ONLINE 0 0 0
> c4t10d0 ONLINE 0 0 0
> c2t1d0 ONLINE 0 0 0
> spares
> c4t13d0 AVAIL
> c4t14d0 AVAIL
> 
> errors: No known data errors
> 
> pool: sasterra
> state: ONLINE
> scrub: none requested
> config:
> 
> NAME STATE READ WRITE CKSUM
> sasterra ONLINE 0 0 0
> mirror-0 ONLINE 0 0 0
> c3t0d0 ONLINE 0 0 0
> c0t1d0 ONLINE 0 0 0
> mirror-1 ONLINE 0 0 0
> c3t1d0 ONLINE 0 0 0
> c0t2d0 ONLINE 0 0 0
> mirror-2 ONLINE 0 0 0
> c3t2d0 ONLINE 0 0 0
> c0t3d0 ONLINE 0 0 0
> mirror-3 ONLINE 0 0 0
> c3t3d0 ONLINE 0 0 0
> c0t4d0 ONLINE 0 0 0
> spares
> c4t13d0 AVAIL
> c4t14d0 AVAIL
> 
> errors: No known data errors
> 
> pool: sysstg6
> state: ONLINE
> scrub: none requested
> config:
> 
> NAME STATE READ WRITE CKSUM
> sysstg6 ONLINE 0 0 0
> mirror-0 ONLINE 0 0 0
> c3t13d0s0 ONLINE 0 0 0
> c0t0d0s0 ONLINE 0 0 0
> 
> errors: No known data errors
> 
> 
> _______________________________________________
> storage-discuss mailing list
> storage-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/storage-discuss

-- 
Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
(+47) 97542685
r...@karlsbakk.net
http://blogg.karlsbakk.net/
--
I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er 
et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av 
idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og 
relevante synonymer på norsk.
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