EMC with Linux RHEL5

Mad Unix madunix at gmail.com
Sun Dec 9 06:30:01 CST 2007


3 servers Linux1 , Linux2 , Linux 3

Connectivity status:

4x logged In --> No
6x logged In --> Yes

All registered  --> Yes

Only Linux3 system shows correct,
Linux1, Linux2 show the Logged In No

I can send you the attachemt of the lay out


[root at linux1 ~]# powermt display
Symmetrix logical device count=0
CLARiiON logical device count=2
Hitachi logical device count=0
Invista logical device count=0
HP xp logical device count=0
Ess logical device count=0
HP HSx logical device count=0
==============================================================================
----- Host Bus Adapters ---------  ------ I/O Paths -----  ------ Stats
------
###  HW Path                       Summary   Total   Dead  IO/Sec Q-IOs
Errors
==============================================================================
   1 qla2xxx                       optimal       2      0       -     0
0
   2 qla2xxx                       optimal       2      0       -     0
0

[root at linux1 ~]# powermt display dev=all
Pseudo name=emcpowerd
CLARiiON ID=CK200073300475 [SG_Linux1]
Logical device ID=6006016043D11D0036819AB6AE9CDC11 [LUN 0]
state=alive; policy=CLAROpt; priority=0; queued-IOs=0
Owner: default=SP A, current=SP A
==============================================================================
---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
---
###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
Errors
==============================================================================
   1 qla2xxx                   sdb       SP A2     active  alive      0
0
   2 qla2xxx                   sdd       SP B3     active  alive      0
0
Pseudo name=emcpowerc
CLARiiON ID=CK200073300475 [SG_Linux1]
Logical device ID=6006016043D11D0037819AB6AE9CDC11 [LUN 1]
state=alive; policy=CLAROpt; priority=0; queued-IOs=0
Owner: default=SP B, current=SP B
==============================================================================
---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
---
###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
Errors
==============================================================================
   1 qla2xxx                   sdc       SP A2     active  alive      0
0
   2 qla2xxx                   sde       SP B3     active  alive      0
0

[root at linux1 ~]#
[root at linux1 ~]# powermt check_registration
Key B**************************************6
  Product: PowerPath
  Capabilities: All



[root at linux2 ~]# powermt display dev=all
Pseudo name=emcpowerc
CLARiiON ID=CK200073300475 [SG_Linux2]
Logical device ID=6006016043D11D0038819AB6AE9CDC11 [LUN 2]
state=alive; policy=CLAROpt; priority=0; queued-IOs=0
Owner: default=SP A, current=SP A
==============================================================================
---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
---
###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
Errors
==============================================================================
   1 qla2xxx                   sdb       SP A2     active  alive      0
0
   2 qla2xxx                   sdd       SP B3     active  alive      0
0
Pseudo name=emcpowerb
CLARiiON ID=CK200073300475 [SG_Linux2]
Logical device ID=6006016043D11D0039819AB6AE9CDC11 [LUN 3]
state=alive; policy=CLAROpt; priority=0; queued-IOs=0
Owner: default=SP B, current=SP B
==============================================================================
---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
---
###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
Errors
==============================================================================
   1 qla2xxx                   sdc       SP A2     active  alive      0
0
   2 qla2xxx                   sde       SP B3     active  alive      0
0

[root at linux2 ~]# powermt display
Symmetrix logical device count=0
CLARiiON logical device count=2
Hitachi logical device count=0
Invista logical device count=0
HP xp logical device count=0
Ess logical device count=0
HP HSx logical device count=0
==============================================================================
----- Host Bus Adapters ---------  ------ I/O Paths -----  ------ Stats
------
###  HW Path                       Summary   Total   Dead  IO/Sec Q-IOs
Errors
==============================================================================
   1 qla2xxx                       optimal       2      0       -     0
0
   2 qla2xxx                       optimal       2      0       -     0
0

[root at linux2 ~]# powermt check_registration
Key B**********************************6
  Product: PowerPath
  Capabilities: All


[root at linux3 ~]# powermt display
Symmetrix logical device count=0
CLARiiON logical device count=2
Hitachi logical device count=0
Invista logical device count=0
HP xp logical device count=0
Ess logical device count=0
HP HSx logical device count=0
==============================================================================
----- Host Bus Adapters ---------  ------ I/O Paths -----  ------ Stats
------
###  HW Path                       Summary   Total   Dead  IO/Sec Q-IOs
Errors
==============================================================================
   1 qla2xxx                       optimal       2      0       -     0
0
   2 qla2xxx                       optimal       2      0       -     0
0

[root at linux3 ~]# powermt display dev=all
Pseudo name=emcpowerb
CLARiiON ID=CK200073300475 [SG_Linux3]
Logical device ID=60060160DDD01D00CEC863C3DDA3DC11 [LUN 5]
state=alive; policy=CLAROpt; priority=0; queued-IOs=0
Owner: default=SP A, current=SP A
==============================================================================
---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
---
###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
Errors
==============================================================================
   1 qla2xxx                   sdc       SP A2     active  alive      0
0
   2 qla2xxx                   sde       SP B3     active  alive      0
0
Pseudo name=emcpowera
CLARiiON ID=CK200073300475 [SG_Linux3]
Logical device ID=60060160DDD01D00CFC863C3DDA3DC11 [LUN 6]
state=alive; policy=CLAROpt; priority=0; queued-IOs=0
Owner: default=SP B, current=SP A
==============================================================================
---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
---
###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
Errors
==============================================================================
   1 qla2xxx                   sdb       SP A2     active  alive      0
0
   2 qla2xxx                   sdd       SP B3     active  alive      0
0

[root at linux3 ~]# powermt check_registration
Key B***********************6
  Product: PowerPath
  Capabilities: All







On Dec 9, 2007 2:19 PM, <Harald_Jensas at dell.com> wrote:

>  Hi,
>
>
>
> Does the host work? Can you see/use the LUNs connected to the host?
>
>
>
> Unless you can see any Loggedin = YES Registered = NO connections in
> Navisphere this is most likely not a problem with registration.
>
>
>
> How many Loggedin = No Registered =YES entries do you see for the host?
>
> How many Loggedin = YES Registered =YES entries do you see for the host?
>
>
>
> What happed before this problem occurred?
>
>
>
> --
>
> Harald Jensås
>
>
>
>
>
> *From:* Mad Unix [mailto:madunix at gmail.com]
> *Sent:* 09 December 2007 13:00
> *To:* Jensas, Harald
> *Cc:* linux-poweredge-Lists
> *Subject:* Re: EMC with Linux RHEL5
>
>
>
> Dear sir
>
> Am thinking about this issue the host connectivity issues that am facing
> right
> now it has to do with the installation the one who has done the
> installation did some manual
> registration mostly ....??? am not sure
> Am thinking just just to do the unregister for
> these gray icons HBA and just clean it up from the system  ... what you
> think?
>
> Thanks
>
>  On Dec 9, 2007 1:55 PM, < Harald_Jensas at dell.com> wrote:
>
> Hi,
>
>
>
> Your FC HBAs has not logged into the Front End FC Ports of your Clariion
> Array.
>
> In "network terms" there is no Link. This could be a physical problem, or
> a logical problem like a bad zoning configuration etc.
>
>
>
> Possible Causes:
>
>
>
> 1.       The Driver for the HBAs is not loaded.
>
> 2.       The Fibre Cables are not connected/broken.
>
> 3.       If you have FC Switches/Switch the Zoning Configuration might not
> be correct.
>
> 4.       One of several different hardware components could be broken,
> HBAs, FC Switch, FC Switch GBICs etc.
>
>
>
>
>
> --
>
> Harald
>
>
>
>
>
>
>
> *From:* linux-poweredge-bounces at dell.com [mailto:
> linux-poweredge-bounces at dell.com] *On Behalf Of *Mad Unix
> *Sent:* 09 December 2007 11:33
> *To:* linux-poweredge-Lists
> *Subject:* EMC with Linux RHEL5
>
>
>
> Problem:  Linux hosts attached to CLARiiON CX10 array shows Fibre Login
> status Not Logged In, am using Navisphere Manager 6.x
>
> Connectivity status displays the following for hosts the following
>
>         Icon beside "Initiator WWN" field ===>Icon is grayed out
>         "Fibre Logged in"                          ===>Displays as "No"
>         "Registered"                                 ===>Displays as "Yes"
>
> What could be?
>
>
> --
> madunix
>
>
>
>
> --
> madunix
>



-- 
madunix
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