[BUGS] help in troubltshooting SCSI error

[Tong Wang]

Thanks Andy for your reply

i've found which disk da0 is. now i can't just simply pull it out and 
replace it with a new hdd can i? will i need to reconfigure RAID after 
replacing the faulty hdd? (currently RAID 1+0) what happens with the OS 
after the replacement if the OS sits on this faulty hdd?

Thanks!

Tong

Andy Farkas wrote:
> On Jan 29, 2008 11:35 AM, Tong Wang <tong at hsa.com.au> wrote:
>   
>>  i have been trying to troubleshoot the SCSI error below but with no luck:
>>     
> ...
>   
>>  (da0:ahd1:0:0:0): CAM Status: SCSI Status Error
>>  (da0:ahd1:0:0:0): SCSI Status: Check Condition
>>  (da0:ahd1:0:0:0): RECOVERED ERROR asc:5d,2
>>  (da0:ahd1:0:0:0): Reserved ASC/ASCQ pair
>>  (da0:ahd1:0:0:0): No Recovery Action Needed
>>     
>
> da0:ahd1 means its disk zero on the second controller..
>
>   
>>  root at echo:~# camcontrol devlist
>>  <HP Ultrium 2-SCSI S24D>           at scbus0 target 2 lun 0 (sa0,pass0)
>>  <HP Ultrium 2-SCSI S24D>           at scbus0 target 3 lun 0 (sa1,pass1)
>>  <IBM-ESXS GNS300C3ESTT0ZFN JP85>   at scbus1 target 0 lun 0 (pass2,da0)
>>     
>     ^^^^ this one ^^^^
>   
>>  <IBM-ESXS GNS300C3ESTT0ZFN JP85>   at scbus1 target 1 lun 0 (pass3,da1)
>>  <IBM-ESXS PYH300C3-ETS10FN RXQE>   at scbus1 target 2 lun 0 (pass4,da2)
>>  <IBM-ESXS GNS300C3ESTT0ZFN JP85>   at scbus1 target 3 lun 0 (pass5,da3)
>>  <IBM-ESXS GNS300C3ESTT0ZFN JP85>   at scbus1 target 4 lun 0 (pass6,da4)
>>  <IBM-ESXS GNS300C3ESTT0ZFN JP85>   at scbus1 target 5 lun 0 (pass7,da5)
>>  <IBM 25R5170a S320  0 1>           at scbus1 target 8 lun 0 (ses0,pass8)
>>  <HL-DT-ST DVD-ROM GDR8082N 0L03>   at scbus2 target 0 lun 0 (cd0,pass9)
>>     
>
> Here are your 2 controllers:
>
>   
>> Jan 11 12:24:13 echo kernel: ahd0: <Adaptec AIC7902 Ultra320 SCSI adapter>
>> Jan 11 12:24:13 echo kernel: ahd1: <Adaptec AIC7902 Ultra320 SCSI adapter>
>>     
>
> Tape drives on the first controller (ahd0):
>
>   
>> Jan 11 12:24:13 echo kernel: sa0 at ahd0 bus 0 target 2 lun 0
>> Jan 11 12:24:13 echo kernel: sa0: <HP Ultrium 2-SCSI S24D> Removable
>>     
>
>   
>> Jan 11 12:24:13 echo kernel: sa1 at ahd0 bus 0 target 3 lun 0
>> Jan 11 12:24:13 echo kernel: sa1: <HP Ultrium 2-SCSI S24D> Removable
>>     
>
> Disk drives on the second (ahd1).. da0 is the flakey one:
>
>   
>> Jan 11 12:24:13 echo kernel: da0 at ahd1 bus 0 target 0 lun 0
>> Jan 11 12:24:13 echo kernel: da0: <IBM-ESXS GNS300C3ESTT0ZFN JP85> Fixed
>>     
>
>   
>> Jan 11 12:24:13 echo kernel: da1 at ahd1 bus 0 target 1 lun 0
>> Jan 11 12:24:13 echo kernel: da1: <IBM-ESXS GNS300C3ESTT0ZFN JP85> Fixed
>>     
>
>   
>> Jan 11 12:24:13 echo kernel: da2 at ahd1 bus 0 target 2 lun 0
>> Jan 11 12:24:13 echo kernel: da2: <IBM-ESXS PYH300C3-ETS10FN RXQE> Fixed
>>     
>
>   
>> Jan 11 12:24:13 echo kernel: da3 at ahd1 bus 0 target 3 lun 0
>> Jan 11 12:24:13 echo kernel: da3: <IBM-ESXS GNS300C3ESTT0ZFN JP85> Fixed
>>     
>
>   
>> Jan 11 12:24:13 echo kernel: da4 at ahd1 bus 0 target 4 lun 0
>> Jan 11 12:24:13 echo kernel: da4: <IBM-ESXS GNS300C3ESTT0ZFN JP85> Fixed
>>     
>
>   
>> Jan 11 12:24:13 echo kernel: da5 at ahd1 bus 0 target 5 lun 0
>> Jan 11 12:24:13 echo kernel: da5: <IBM-ESXS GNS300C3ESTT0ZFN JP85> Fixed
>>     
>
> One way to find out exactly which disk is da0 if you can see the disk
> activity lights would be to "dd if=/dev/da0 of=/dev/null" ...the disk
> with the solid light will be da0..
>
> -andyf
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