a lot of Buffer I/O error on device connected to SAN


 
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Old 08-09-2010
a lot of Buffer I/O error on device connected to SAN

hi guys

I have a server(x3650 M2) connected to a SAN...it takes a long time to boot with a lot errors like these

any idea how to fix that?
Suse Enterprise 10 SP3

update as soon as I disconnect the HBAs boots up normal and fast and no messages

Code:
 sdi:end_request: I/O error, dev sdh, sector 0
Buffer I/O error on device sdh, logical block 0
end_request: I/O error, dev sdd, sector 209715072
Buffer I/O error on device sdd, logical block 26214384
end_request: I/O error, dev sdi, sector 0
Buffer I/O error on device sdi, logical block 0
end_request: I/O error, dev sdg, sector 209715072
Buffer I/O error on device sdg, logical block 26214384
end_request: I/O error, dev sdh, sector 0
Buffer I/O error on device sdh, logical block 0
end_request: I/O error, dev sdd, sector 209715072
printk: 2 messages suppressed.
Buffer I/O error on device sdh, logical block 0
end_request: I/O error, dev sdd, sector 209715184
 unable to read partition table
sd 5:0:1:1: Attached scsi disk sdh
sd 5:0:1:1: Attached scsi generic sg8 type 0
end_request: I/O error, dev sdi, sector 0
 unable to read partition table
sd 6:0:1:1: Attached scsi disk sdi
sd 6:0:1:1: Attached scsi generic sg9 type 0


end_request: I/O error, dev sdd, sector 0
Buffer I/O error on device sdd, logical block 0
end_request: I/O error, dev sdd, sector 0
Buffer I/O error on device sdd, logical block 0
end_request: I/O error, dev sdd, sector 0
Buffer I/O error on device sdd, logical block 0
Buffer I/O error on device sdd, logical block 1
Buffer I/O error on device sdd, logical block 2
Buffer I/O error on device sdd, logical block 3
end_request: I/O error, dev sdd, sector 0
Buffer I/O error on device sdd, logical block 0
end_request: I/O error, dev sdg, sector 0
Buffer I/O error on device sdg, logical block 0
end_request: I/O error, dev sdg, sector 0

thanks a lot

---------- Post updated at 10:43 PM ---------- Previous update was at 08:14 PM ----------

something else

when my Suse 10 SP3 loads when HBA attached I see my LUNs twice

for instance I created LUN1 60GB and I see it twice...? are those 2 related I think the slow load process and the diuplicated LUNs

Last edited by kopper; 08-09-2010 at 09:40 PM..
 
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