Unable to see controller C1 on Solaris 8


 
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Operating Systems Solaris Unable to see controller C1 on Solaris 8
# 1  
Old 04-14-2017
Unable to see controller C1 on Solaris 8

Good Morning,

We are having a legacy hardware v880 sparc server running SUNOS 5.8. Recently we started getting maintence error on one of the disk slice c1t0d0s4 so before changing the disk we had a look at output of cfgadm but cant see c1 controller in the list where as all our disks are configured on c1 controller.

Code:
bash-2.03# cfgadm -al
Ap_Id                          Type         Receptacle   Occupant     Condition
SBa                            cpu/mem      connected    configured   ok
SBa::cpu0                      cpu          connected    configured   ok
SBa::cpu1                      cpu          connected    configured   ok
SBa::memory                    memory       connected    configured   ok
SBb                            cpu/mem      connected    unconfigured ok
SBc                            cpu/mem      connected    unconfigured ok
SBd                            cpu/mem      connected    unconfigured ok
c0                             scsi-bus     connected    configured   unknown
c0::dsk/c0t6d0                 CD-ROM       connected    configured   unknown
c2                             scsi-bus     connected    unconfigured unknown
c3                             scsi-bus     connected    unconfigured unknown
pcisch0:hpc1_slot0             unknown      empty        unconfigured unknown
pcisch0:hpc1_slot1             unknown      empty        unconfigured unknown
pcisch0:hpc1_slot2             unknown      empty        unconfigured unknown
pcisch0:hpc1_slot3             unknown      empty        unconfigured unknown
pcisch2:hpc2_slot4             unknown      empty        unconfigured unknown
pcisch2:hpc2_slot5             mult/hp      connected    configured   ok
pcisch2:hpc2_slot6             unknown      empty        unconfigured unknown
pcisch3:hpc0_slot7             unknown      empty        unconfigured unknown
pcisch3:hpc0_slot8             unknown      empty        unconfigured unknown

Code:
format output
AVAILABLE DISK SELECTIONS:
       0. c1t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e010279761,0
       1. c1t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w2100000c50e313eb,0
       2. c1t2d0 <SEAGATE-ST373207FC-0002 cyl 44304 alt 2 hd 4 sec 809>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w21000011c60b82a0,0
       3. c1t3d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w2100000c50e31e4c,0
       4. c1t4d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w2100000c50e313cb,0
       5. c1t5d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w2100000c50e32913,0
       6. c1t8d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e0107dd361,0
       7. c1t9d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e0107dc4a1,0
       8. c1t10d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e0107dd561,0
       9. c1t11d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e0107dd651,0
      10. c1t12d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w21000011c60bae19,0
      11. c1t13d0 <SEAGATE-ST336607FC-0006 cyl 49780 alt 2 hd 2 sec 720>
          /pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w21000011c62d6df9,0

Code:
bash-2.03# iostat -en
  ---- errors ---
  s/w h/w trn tot
    0   0   0   0 d0
    0   0   0   0 d1
    0   0   0   0 d2
    0   0   0   0 d3
    0   0   0   0 d4
    0   0   0   0 d5
    0   0   0   0 d6
    0   0   0   0 d10
    0   0   0   0 d11
    0   0   0   0 d12
    0   0   0   0 d13
    0   0   0   0 d14
    0   0   0   0 d15
    0   0   0   0 d16
    0   0   0   0 d20
    0   0   0   0 d21
    0   0   0   0 d22
    0   0   0   0 d23
    0   0   0   0 d24
    0   0   0   0 d25
    0   0   0   0 d26
    0   0   0   0 c0t6d0
    0  34   0  34 c1t13d0
    0  34   0  34 c1t5d0
    0  36   0  36 c1t9d0
    0  35   0  35 c1t4d0
  2839  73  12 2924 c1t3d0
    0  35   0  35 c1t1d0
    0  35   0  35 c1t11d0
    0  39  12  51 c1t8d0
    0  34   0  34 c1t10d0
    0  34   0  34 c1t2d0
    0  34   0  34 c1t12d0
   16  55   5  76 c1t0d0

Code:
bash-2.03# luxadm -e port

Found path to 1 HBA ports

/devices/pci@8,600000/SUNW,qlc@2/fp@0,0:devctl                     CONNECTED

Any pointers how to troubleshoot which seems to be a issue with controller looking at the iostat output and unable to see it in the cfgadm output

Thanks,
P

Last edited by phanidhar6039; 04-14-2017 at 07:37 AM.. Reason: More info
# 2  
Old 04-14-2017
Perhaps the c1 got hung because of a non-responding disk?
Then a reboot might help.
# 3  
Old 04-15-2017
Quote:
Originally Posted by MadeInGermany
Perhaps the c1 got hung because of a non-responding disk?
Then a reboot might help.
Thanks for the reply.

I tried even rebooting but dint help. Still same issue.

If you check iostat there are so many hardware errors are recorded on all the disks connected with C1.

Any way to confirm if its a faulty controller that is causing the issue?
# 4  
Old 04-15-2017
Your post of the 'format' command shows it can see a number of disks on c1. What happens if you try to display the vtoc of each disk?
(select a disk and then select option 'p' followed by 'p' again? Does it error or successfully display the vtoc (partition slice(s)? If it errors, please post the error.

Also, if you look in /dev/dsk and /dev/rdsk are the disk nodes there for each of these disks/slices? Or has someone deleted them?
# 5  
Old 04-15-2017
What does cfgadm -al -o show_FCP_dev c1 show?

I asume your Solaris version is not patched properly. In the beginning cfgadm would not show FCAL devices (luxadm was used for that). You need the "SAN foundation suite" installed and patched to have cfgadm show FCAL devices.

The V880 was one of the first servers that used an internal FCAL loop for the internal harddrives. All the other devices are SCSI and are shown perfectly in cfgadm output. GA date for the V880 was November 2001. So in computer years that thing is a dinosaur Smilie.

Last edited by DukeNuke2; 04-15-2017 at 06:16 PM..
# 6  
Old 04-17-2017
Quote:
Originally Posted by hicksd8
Your post of the 'format' command shows it can see a number of disks on c1. What happens if you try to display the vtoc of each disk?
(select a disk and then select option 'p' followed by 'p' again? Does it error or successfully display the vtoc (partition slice(s)? If it errors, please post the error.

Also, if you look in /dev/dsk and /dev/rdsk are the disk nodes there for each of these disks/slices? Or has someone deleted them?
Good Morning,

i am able to display all the prtvtoc each disk and no errors were shown and all disk and slices were present under /dev/dsk and /dev/rdsk

Thanks,
P

---------- Post updated at 10:32 AM ---------- Previous update was at 10:21 AM ----------

Quote:
Originally Posted by DukeNuke2
What does cfgadm -al -o show_FCP_dev c1 show?

I asume your Solaris version is not patched properly. In the beginning cfgadm would not show FCAL devices (luxadm was used for that). You need the "SAN foundation suite" installed and patched to have cfgadm show FCAL devices.

The V880 was one of the first servers that used an internal FCAL loop for the internal harddrives. All the other devices are SCSI and are shown perfectly in cfgadm output. GA date for the V880 was November 2001. So in computer years that thing is a dinosaur Smilie.
Below is the output
Code:
bash-2.03# cfgadm -al -o show_FCP_dev c1
Ap_Id                          Type         Receptacle   Occupant     Condition
c1: No matching library found

i tried with luxadm previuosly but was getting error as below
Code:
bash-2.03# luxadm replace_device /dev/rdsk/c1t0d0s2
 Error: Could not find the loop address for  the device at physical path. - /dev/rdsk/c1t0d0s2.

but when i look for physical path i am getting it

Code:
bash-2.03# ls -ltr /dev/rdsk/c1t0d0s2
lrwxrwxrwx   1 root     root          74 Jan 20 16:23 /dev/rdsk/c1t0d0s2 -> ../../devices/pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e010279761,0:c,raw

So any ideas ?

Thanks,
P
# 7  
Old 04-17-2017
So you can see the vtoc's and the disk device nodes seem to be there too.

Are there entries in /etc/vfstab which try to mount these disks at boot time? (Maybe post the contents of /etc/vfstab).

Have you tried to mount one of these disks manually (from root user)?
If so, does it work or do you get an error? If so, please post the error.

eg,

Code:
 
 # cd /
 # mount /dev/dsk/c1?????? /mnt
 # cd /mnt
 # ls -l

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