I don't know the Hitachi array, but I'll bet it's active/passive with "explicit failover" (or something similarly named from Hitachi).
We have this "issue" with our Clariion's. We connect them thus: SP = "Service Processor" SW = fiber switch (actually "director") HBA = host bus adaptor SPA SPB | \ / | | \ / | | \ | | / \ | | / \ | SW1 SW2 | | | | HBA1 HBA2 The individual LUN's are presented to one SP as "primary" and the other as "fail over", thus if you have a LUN that's been assigned to SPA as primary and SPB as the failover, you end up with the following paths to the same LUN: HBA1 -> SW1 -> SPA (primary) HBA1 -> SW1 -> SPB (failover) HBA2 -> SW2 -> SPA (primary) HBA2 -> SW2 -> SPB (failover) In explicit failover mode you can do some "base" operations to the LUN on the failover interface (such as answer a SCSI INQUIRY command) but more complex operations (such as real I/O) will fail until a special "bring it over here" command is sent (this would be an explicit request to failover the LUN -- thus "explicit failover"). The volume manager will issue such as request when it has no remaining primary I/O paths to the device. So the short answer is: if you have your ASL's and/or APM's installed for this model of array, you should be able to do something like "vxdisk list <any device" and see that, from the VM perspective, things are working properly. Something like this: Multipathing information: numpaths: 4 c2t5006016139A02131d5s2 state=enabled type=primary c3t5006016839A02131d5s2 state=enabled type=secondary c2t5006016939A02131d5s2 state=enabled type=secondary c3t5006016039A02131d5s2 state=enabled type=primary Hope that helps -- and I hope it's your "problem". I know this took a few minutes to understand when we moved from parallel disconnected SAN's for redundancy to interconnected like this, but it's "the right thing to do." (I think...) Cheers, - Mike.Myers <at> nwdc.net -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of James Kelty Sent: Tuesday, September 04, 2007 1:26 PM To: veritas-vx@mailman.eng.auburn.edu Subject: [Veritas-vx] Drive type unknown Solaris 10 Hey there, I'm running Veritas Storage Foundation HA Standard, v4.1 on Solaris 10 (x64), and I'm having a bit of an issue with 'drive type unknown' coming up on the Solaris format command. I have two Qlogic QLE220 (PCI Express 4Gb HBA) hooked up to an HDS WMS100 with the latest ASL/APM installed. bash-3.00# pkginfo | grep VRTS system VRTSHDS-DF600-apm Array Policy Module for HITACHI DF600(9500 and AMS-WMS) Arrays. system VRTSHDS-DF600-asl Array Support Library for HITACHI DF600(9500 and AMS-WMS) Arrays. vxddladm is showing the supported share object: bash-3.00# vxddladm listsupport | grep vxhdsasl libvxhdsasl.so HITACHI DF600, DF600-V, DF600F vxdmpadm is showing the two active paths I would expect to see: bash-3.00# vxdmpadm getdmpnode enclosure=AMS_WMS0 NAME STATE ENCLR-TYPE PATHS ENBL DSBL ENCLR-NAME ========================================================================= c4t0d5s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d2s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d6s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d1s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d4s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d7s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d0s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d3s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d8s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d11s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d10s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d9s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d12s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d13s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 c4t0d14s2 ENABLED AMS_WMS 2 2 0 AMS_WMS0 vxdisk show the disks as online in the correct group (the last three are the I/O fencing disks): bash-3.00# vxdisk list DEVICE TYPE DISK GROUP STATUS c2t0d0s2 auto:none - - online invalid c3t0d0s2 auto:none - - online invalid c4t0d0s2 auto:cdsdisk d400 mucho_grp online c4t0d1s2 auto:cdsdisk d401 mucho_grp online c4t0d2s2 auto:cdsdisk d402 mucho_grp online c4t0d3s2 auto:cdsdisk d403 mucho_grp online c4t0d4s2 auto:cdsdisk d404 mucho_grp online c4t0d5s2 auto:cdsdisk d405 mucho_grp online c4t0d6s2 auto:cdsdisk d406 mucho_grp online c4t0d7s2 auto:cdsdisk d407 mucho_grp online c4t0d8s2 auto:cdsdisk d408 mucho_grp online c4t0d9s2 auto:cdsdisk d409 mucho_grp online c4t0d10s2 auto:cdsdisk d410 mucho_grp online c4t0d11s2 auto:cdsdisk d411 mucho_grp online c4t0d12s2 auto:cdsdisk - - online c4t0d13s2 auto:cdsdisk - - online c4t0d14s2 auto:cdsdisk - - online I'm not having any I/O issues to the drives so far, but for some reason the format command is giving me grief about 'drive type unknown' for _some_ of the drives: AVAILABLE DISK SELECTIONS: 0. c2d0 <DEFAULT cyl 30391 alt 2 hd 255 sec 63> /[EMAIL PROTECTED],0/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED],0 1. c3d0 <DEFAULT cyl 30397 alt 2 hd 255 sec 63> /[EMAIL PROTECTED],0/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED],0 2. c4t0d0 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],0 3. c4t0d1 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1 4. c4t0d2 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],2 5. c4t0d3 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],3 6. c4t0d4 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],4 7. c4t0d5 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],5 8. c4t0d6 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],6 9. c4t0d7 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],7 10. c4t0d8 <DEFAULT cyl 51561 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],8 11. c4t0d9 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],9 12. c4t0d10 <DEFAULT cyl 51561 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],a 13. c4t0d11 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],b 14. c4t0d12 <DEFAULT cyl 47 alt 2 hd 64 sec 32> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],c 15. c4t0d13 <DEFAULT cyl 47 alt 2 hd 64 sec 32> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],d 16. c4t0d14 <DEFAULT cyl 47 alt 2 hd 64 sec 32> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],e 17. c5t0d0 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],0 18. c5t0d1 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1 19. c5t0d2 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],2 20. c5t0d3 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],3 21. c5t0d4 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],4 22. c5t0d5 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],5 23. c5t0d6 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],6 24. c5t0d7 <DEFAULT cyl 48951 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],7 25. c5t0d8 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],8 26. c5t0d9 <DEFAULT cyl 51561 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],9 27. c5t0d10 <drive type unknown> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],a 28. c5t0d11 <DEFAULT cyl 51561 alt 2 hd 255 sec 126> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],b 29. c5t0d12 <DEFAULT cyl 47 alt 2 hd 64 sec 32> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],c 30. c5t0d13 <DEFAULT cyl 47 alt 2 hd 64 sec 32> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],d 31. c5t0d14 <DEFAULT cyl 47 alt 2 hd 64 sec 32> /[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci1077,[EMAIL PROTECTED]/[EMAIL PROTECTED],0/[EMAIL PROTECTED],e Specify disk (enter its number): Could this possibly be a drive issue? I am using the Sun supplied driver, although I am out about 3 revs from the latest patch: bash-3.00# showrev -p | grep 125165 Patch: 125165-02 Obsoletes: Requires: 119131-33 Incompatibles: Packages: SUNWqlc, SUNWqlcu bash-3.00# I am considering either upgrading to the latest patch level: 125165-05 or using the Qlogic supplied driver package. Would changing the driver package from Sun to Qlogic cause any issues with device names? Thanks a lot for any and all help! -James ____________________________________________________________________________________ Building a website is a piece of cake. Yahoo! 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