Veritas-bu

Re: [Veritas-bu] Robot disappeared from OS

2010-02-11 15:59:05
Subject: Re: [Veritas-bu] Robot disappeared from OS
From: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
To: Dushyant Mehta <scorpio21179 AT gmail DOT com>
Date: Thu, 11 Feb 2010 15:59:00 -0500 (EST)
Hi,

1. Fiber cable problem?
2. Have you tried rebooting the robot/master server?
3. Replacing the fiber cable?
4. Rebooting the fiber switch (if applicable)?
5. Zoning issue?

Justin.

On Thu, 11 Feb 2010, Dushyant Mehta wrote:

> Also, /var/adm/messages shows :
>
> bash-3.00# tail /var/adm/messages
>
> Feb 11 15:41:40 njbkupmaster last message repeated 1 time
>
> Feb 11 15:41:40 njbkupmaster tldcd[24962]: [ID 406877 daemon.error] TLD(0)
> mode_sense ioctl() failed: I/O error
>
> Feb 11 15:41:40 njbkupmaster tldd[24933]: [ID 641686 daemon.notice]
> DecodeQuery() Actual status: Unable to sense robotic device
>
> Feb 11 15:41:40 njbkupmaster tldd[24933]: [ID 320639 daemon.error] TLD(0)
> unavailable: initialization failed: Unable to sense robotic device
>
> Feb 11 15:43:42 njbkupmaster tldcd[24962]: [ID 623364 daemon.notice] TLD(0)
> opening robotic path /dev/sg/c0tw500104f0005859c8l0
>
> Feb 11 15:43:42 njbkupmaster tldcd[24962]: [ID 498531 daemon.error] user
> scsi ioctl() failed, may be timeout, errno = 5, I/O error
>
> Feb 11 15:43:42 njbkupmaster last message repeated 1 time
>
> Feb 11 15:43:42 njbkupmaster tldcd[24962]: [ID 406877 daemon.error] TLD(0)
> mode_sense ioctl() failed: I/O error
>
> Feb 11 15:43:42 njbkupmaster tldd[24933]: [ID 641686 daemon.notice]
> DecodeQuery() Actual status: Unable to sense robotic device
>
> Feb 11 15:43:42 njbkupmaster tldd[24933]: [ID 320639 daemon.error] TLD(0)
> unavailable: initialization failed: Unable to sense robotic device
>
>
>
>
> On Thu, Feb 11, 2010 at 3:42 PM, Dushyant Mehta <scorpio21179 AT gmail DOT 
> com>wrote:
>
>> Scott,
>>
>> we have 2 dual port hba's and of the hba can see the robot properly..See
>> this:
>>
>> bash-3.00# fcinfo hba-port
>>
>> HBA Port WWN: 10000000c9517ec6
>>
>>         OS Device Name: /dev/cfg/c2
>>
>>         Manufacturer: Emulex
>>
>>         Model: LP10000
>>
>>         Firmware Version: 1.92a1
>>
>>         FCode/BIOS Version: 1.50a9
>>
>>         Type: N-port
>>
>>         State: online
>>
>>         Supported Speeds: 1Gb 2Gb
>>
>>         Current Speed: 2Gb
>>
>>         Node WWN: 20000000c9517ec6
>>
>> *HBA Port WWN: 10000000c9596c56*
>>
>>       *  OS Device Name: /dev/cfg/c3*
>>
>>         Manufacturer: Emulex
>>
>>         Model: LP10000
>>
>>         Firmware Version: 1.92a1
>>
>>         FCode/BIOS Version: 1.50a9
>>
>>         Type: N-port
>>
>>         State: online
>>
>>         Supported Speeds: 1Gb 2Gb
>>
>>         Current Speed: 2Gb
>>
>>         Node WWN: 20000000c9596c56
>>
>> HBA Port WWN: 10000000c95ede57
>>
>>         OS Device Name: /dev/cfg/c6
>>
>>         Manufacturer: Emulex
>>
>>         Model: LP10000
>>
>>         Firmware Version: 1.92a1
>>
>>         FCode/BIOS Version: 1.50a9
>>
>>         Type: N-port
>>
>>         State: online
>>
>>         Supported Speeds: 1Gb 2Gb
>>
>>         Current Speed: 2Gb
>>
>>         Node WWN: 20000000c95ede57
>>
>> HBA Port WWN: 10000000c95ee0be
>>
>>         OS Device Name: /dev/cfg/c5
>>
>>         Manufacturer: Emulex
>>
>>         Model: LP10000
>>
>>         Firmware Version: 1.92a1
>>
>>         FCode/BIOS Version: 1.50a9
>>
>>         Type: N-port
>>
>>         State: online
>>
>>         Supported Speeds: 1Gb 2Gb
>>
>>         Current Speed: 2Gb
>>
>>         Node WWN: 20000000c95ee0be
>>
>>  *From the HBA :*
>>
>> emlxadm> get_dev_list
>>
>>  -----------------------------------------------
>>
>> Device 0:
>>
>> Dtype: 0
>>
>> FC4_type[proto]: 0x00000100, 0x00000000, 0x00000000, 0x00000000,
>> 0x00000000, 0x00000000, 0x00000000, 0x00000000
>>
>> State: Logged_In
>>
>>  D_id: 615813
>>
>>  LILP: 0
>>
>>  Hard Addr: 0
>>
>>  WWPN: 500104f0005859d1
>>
>>  WWNN: 500104f0005859d0
>>
>> -----------------------------------------------
>>
>> Device 1:
>>
>> Dtype: 0
>>
>> FC4_type[proto]: 0x00000100, 0x00000000, 0x00000000, 0x00000000,
>> 0x00000000, 0x00000000, 0x00000000, 0x00000000
>>
>> State: Logged_In
>>
>> D_id: 615913
>>
>> LILP: 0
>>
>> Hard Addr: 0
>>
>> WWPN: 500104f0005859db
>>
>> WWNN: 500104f0005859d9
>>
>>  -----------------------------------------------
>>
>> Device 2:
>>
>> Dtype: 0
>>
>> FC4_type[proto]: 0x00000000, 0x00000000, 0x00000000, 0x00000000,
>> 0x00000000, 0x00000000, 0x00000000, 0x00000000
>>
>> *State: Logged_In*
>>
>> D_id: 615c13
>>
>> LILP: 0
>>
>> Hard Addr: 0
>>
>> *WWPN: 500104f0005859c8*
>>
>>  WWNN: 500104f0005859c7
>>
>>  -----------------------------------------------
>>
>> Device 3:
>>
>> Dtype: 0
>>
>> FC4_type[proto]: 0x00000100, 0x00000000, 0x00000000, 0x00000000,
>> 0x00000000, 0x00000000, 0x00000000, 0x00000000
>>
>> State: Logged_In
>>
>>  D_id: 615d13
>>
>> LILP: 0
>>
>> Hard Addr: 0
>>
>> WWPN: 500104f0005859d4
>>
>> WWNN: 500104f0005859d3
>> ---------------------------------------------------
>>
>> HBA sees the robot and the state is logged in. That means there is no issue
>> with the HBA.
>>
>>
>>
>>
>> On Thu, Feb 11, 2010 at 3:32 PM, Chapman, Scott <Scott.Chapman AT icbc DOT 
>> com>wrote:
>>
>>>  You aren?t going to see anything with sgscan unless cfgadm ?al sees the
>>> changer and the tape.  I would work more with SUN to confirm there is
>>> nothing wrong with the HBA?maybe try a diff HBA port.
>>>
>>>
>>>
>>> *Scott Chapman*
>>>
>>> Senior Technical Specialist
>>>
>>> Storage and Database Administration
>>>
>>> ICBC - Victoria
>>>
>>> Ph:  250.414.7650  Cell:  250.213.9295
>>>
>>> *From:* veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:
>>> veritas-bu-bounces AT mailman.eng.auburn DOT edu] *On Behalf Of *Dushyant 
>>> Mehta
>>> *Sent:* Thursday, February 11, 2010 12:18 PM
>>>
>>> *To:* veritas-bu AT mailman.eng.auburn DOT edu
>>> *Subject:* [Veritas-bu] Robot disappeared from OS
>>>
>>>
>>>
>>> All,
>>>
>>>
>>> We have STK L180 tape library connected to a Solaris 10 master/media
>>> server.Until 3 days back we were able to see tape drives and robots  and now
>>> the robot has disappeared.  Initially when we were seeing the robot, we were
>>> not able to configure it in netbackup. when we did a scan -changer on that
>>> robot it used to report "0" drives and "0" slots whereas the library has 6
>>> drives and 84 slots. To fix that problem Symantec suggested rebuilding the
>>> sg driver and told me to remove everything from /dev/rmt/*cbn and /dev/sg
>>> directories. After doing that and rebooting the master with a
>>> reconfiguration we lost the robot.
>>>
>>> Everything is connected to McData switch and on the switch side I see all
>>> the ports logging in without any error.However when i run cfgadm -al it
>>> shows this for the robot wwn :
>>>
>>> c3::500104f0005859c8        unavailable      connected     configured
>>> failed
>>>
>>> I have been working with Symantec and Sun and both are unable to identify
>>> the problem.
>>>
>>> I have tried resetting hba, resetting the robot, rebooting the complete
>>> library etc but still sgscan and scan -changer does not show the robot.
>>>
>>> I have 2 questions :
>>>
>>> 1) When the robot does not report on correct info in scan -changer
>>> command, what can be the issue ?
>>> 2) What can we do to see the robot back ?
>>>
>>> We are on NBU 6.0 MP6, with Solaris 10 on master, Emulex HBA, Mc Data
>>> Switch, STK L180 tape library.
>>>
>>> Thanks,
>>>
>>> Dushyant Mehta
>>>
>>>   ------------------------------
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>>
>>
>
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