Rongsheng Fang wrote:
> Hi,
>
> We have a Sun Fire E6900 with two dual port Sun branded Qlogic 4GB/s HBAs.
> The
> servers is connected to a EMC Symmetrix DMX3 via two redundant Brocade fibre
> switches. The DMX3 has 4 FA connections going to each fibre switch. So
each LUN
> presented on the OS has 16 paths. Currently 221 EMC LUNs are presented to this
> box, which means the OS will see 3536 EMC LUNs.
>
> We are running Solaris 10 U5 on this server. We did a reconfigure reboot
> today, and
> it's been more than 2 hours and the system is still trying to do detect all
> the paths
> to the EMC devices:
>
> ......
> /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0/[EMAIL PROTECTED],1c8 (ssd3079) online
> ssd3080 at fp6: name w5006048ad52cc2c7,1c7, bus address 17000
> ssd3080 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL
> PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1c7
> /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0/[EMAIL PROTECTED],1c7 (ssd3080) online
> ssd3081 at fp6: name w5006048ad52cc2c7,1c6, bus address 17000
> ssd3081 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL
> PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1c6
> /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0/[EMAIL PROTECTED],1c6 (ssd3081) online
> ssd3082 at fp6: name w5006048ad52cc2c7,1c5, bus address 17000
> ssd3082 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL
> PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1c5
> /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0/[EMAIL PROTECTED],1c5 (ssd3082) online
> ssd3083 at fp6: name w5006048ad52cc2c7,1c4, bus address 17000
> ssd3083 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL
> PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1c4
> /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0/[EMAIL PROTECTED],1c4 (ssd3083) online
> ssd3084 at fp6: name w5006048ad52cc2c7,1c3, bus address 17000
> ssd3084 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL
> PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1c3
> /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0/[EMAIL PROTECTED],1c3 (ssd3084) online
> ssd3085 at fp6: name w5006048ad52cc2c7,1c2, bus address 17000
> ssd3085 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL
> PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1c2
> /[EMAIL PROTECTED],0/[EMAIL PROTECTED],600000/SUNW,[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0/[EMAIL PROTECTED],1c2 (ssd3085) online
> ......
>
>
> I am not sure if the long reboot time is due to the large number of paths
> that the
> OS has to detect during the reconfigure boot process or something else is
> wrong.
> Does anybody have such experience?
(a) why aren't you using MPxIO?
(b) if you've got that many paths resulting in an extraordinary
number of luns, then yes I would expect to see a crazylong
boot time.
Did I mention that you should be using MPxIO?
James C. McPherson
--
Senior Kernel Software Engineer, Solaris
Sun Microsystems
http://blogs.sun.com/jmcp http://www.jmcp.homeunix.com/blog
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