Claus Guttesen wrote:
Hi.

I have a nexsan atabeast with 2 raid-controllers each with 21 disks @ 400 GB.
Each raid-controller has five raid-5 LUN's and one hotspare. The
solaris is from 2006/11. I have created a single raidz2 tank from the
ten LUN's.

The raid-conroller is connected to a Dell PE 2650 with two qlogic 2310
hba's, frame-size is 1024, speed is 2 GHz. The hba's are connected
directly to the storage, i.e. no fiber-switch. The atabeast has three
powersupplies connected to an UPS, so I doubt it's a power-related
issue.

The server does *not* reboot during these messages. How can I
investigate this issue further?

It appears that the problems are on the NEXSAN side.  I'm not familiar
with that product, but does it have a systems management interface?
If so, that is the next place to look.  Additional comments below...

zetta~%>uname -a
SunOS zetta 5.10 Generic_118855-33 i86pc i386 i86pc

regards
Claus

Mar 26 13:12:37 zetta   Error for Command: write(10)
Error Level: Retryable
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     Requested
Block: 470140414 Error Block: 0
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     Vendor: NEXSAN
Serial Number: 134D98CD:%^,
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     Sense Key:
Unit Attention
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     ASC: 0x29
(power on, reset, or bus reset occurred), ASCQ: 0x0, FRU: 0x0

The host initiated a write and the NEXSAN responded with ASC:0x29/ASCQ:0x0
This means that the NEXSAN saw something, though it is unclear whether
the error was in the path between the host and the NEXSAN.  It is retryable,
so the host retries...

Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],3 (sd140):
Mar 26 13:12:37 zetta   Error for Command: write(10)
Error Level: Retryable
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     Requested
Block: 470140414  Error Block: 0
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     Vendor: NEXSAN
Serial Number: 134D98B3:%^,
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     Sense Key:
Unit Attention
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.notice]     ASC: 0x29
(power on, reset, or bus reset occurred), ASCQ: 0x0, FRU: 0x0
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],3 (sd140):
Mar 26 13:12:37 zetta   incomplete write- retrying

... here is the first retry ...

Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],2 (sd141):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],1 (sd30):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0 (sd4):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],3 (sd140):
Mar 26 13:12:37 zetta   incomplete write- retrying

... second retry ...

Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],2 (sd141):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],1 (sd30):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0 (sd4):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],3 (sd140):
Mar 26 13:12:37 zetta   incomplete write- retrying

... third retry ...

Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],2 (sd141):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],1 (sd30):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0 (sd4):
Mar 26 13:12:37 zetta   incomplete write- retrying
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],3 (sd140):
Mar 26 13:12:37 zetta   incomplete write- giving up

... after 3 retries, we give up.  This is the default number of
retries for most FC connections.
 -- richard

Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],2 (sd141):
Mar 26 13:12:37 zetta   incomplete write- giving up
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],1 (sd30):
Mar 26 13:12:37 zetta   incomplete write- giving up
Mar 26 13:12:37 zetta scsi: [ID 107833 kern.warning] WARNING:
/[EMAIL PROTECTED],0/pci8086,[EMAIL PROTECTED]/pci8086,[EMAIL 
PROTECTED],2/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0 (sd4):
Mar 26 13:12:37 zetta   incomplete write- giving up
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