HPE EVA Storage

About ioscan -fnCdisk results NO_HW in SAN environment.

 
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zykoo
New Member

About ioscan -fnCdisk results NO_HW in SAN environment.

Hi. friends

I have an MSA1000 array with an MSA fabric 6 switch module,If directly I connect a HP_UX server to MSA fabric 6 switch,I got the disks state was "CLAIMED",whereas,I also have a HP entry switch 8B (Fabric OS: v3.0.2f)and i want use it for trial,after I cascade it with MSA fabric 6 switch,the disks from MSA1000 array that the state was change to "NO_HW",i don't know why and i haven't any ideas for that problem.pls lead me to fix that problem :D

Thank you in advance and sorry for my bad english.



I lists some reference information followings:(Any other information you want,plz tell me know in reply.)

HP entry switch 8B :

Switch:admin> version
Kernel: 5.3.1
Fabric OS: v3.0.2f

Switch:admin> switchshow
switchName: Switch
switchType: 16.2
switchState: Online
switchMode: Interop
switchRole: Principal
switchDomain: 120
switchId: fffc78
switchBeacon: OFF
Zoning: OFF
port 0: id N2 Online E-Port 10:00:00:e0:24:12:11:70 (downstream)
port 1: id N2 Online F-Port 50:06:0b:00:00:25:df:3e

Switch:admin> configshow
Ethernet addresses: 0:60:69:c0:1b:7d

Nvram datadata: fei(0,0)host:/usr/switch/firmware e=192.168.102.103:ffffff00 g=192.168.102.1 u=user tn=Switch

Type to continue, Q to stop:
diag.postDisable: 0
fabric.domain: 120
fabric.ops.BBCredit: 16
fabric.ops.E_D_TOV: 2000
fabric.ops.R_A_TOV: 10000
fabric.ops.dataFieldSize: 2112
fabric.ops.mode.SeqSwitching: 0
fabric.ops.mode.fcpProbeDisable: 0
fabric.ops.mode.isolate: 0
fabric.ops.mode.longDistance: 0
fabric.ops.mode.noClassF: 0
fabric.ops.mode.pidFormat: 1
fabric.ops.mode.sync: 1
fabric.ops.mode.unicastOnly: 0
fabric.ops.mode.useCsCtl: 0
fabric.ops.mode.vcEncode: 0
fabric.ops.vc.class.2: 2
fabric.ops.vc.class.3: 3
fabric.ops.vc.config: 0xc0
fabric.ops.vc.linkCtrl: 0
fabric.ops.vc.multicast: 7
fabric.ops.wan_rtt_dly_max: 200
fabric.ops.wan_tov: 0

MSA fabric switch 6:

switchrole:subordinate
domainID:121
zone:OFF

HP_UX server:

# ioscan -fn|grep NO_HW
fcp 0 0/8/0/0.1 fcp NO_HW INTERFACE FCP Domain
ext_bus 4 0/8/0/0.1.6.0.0 fcparray NO_HW INTERFACE FCP Array Interface
target 6 0/8/0/0.1.6.0.0.0 tgt NO_HW DEVICE
disk 3 0/8/0/0.1.6.0.0.0.0 sdisk NO_HW DEVICE COMPAQ MSA1000 VOLUME
disk 4 0/8/0/0.1.6.0.0.0.1 sdisk NO_HW DEVICE COMPAQ MSA1000 VOLUME
disk 5 0/8/0/0.1.6.0.0.0.2 sdisk NO_HW DEVICE COMPAQ MSA1000 VOLUME
ext_bus 5 0/8/0/0.1.6.255.0 fcpdev NO_HW INTERFACE FCP Device Interface
target 7 0/8/0/0.1.6.255.0.0 tgt NO_HW DEVICE
ctl 4 0/8/0/0.1.6.255.0.0.0 sctl NO_HW DEVICE COMPAQ MSA1000
ext_bus 6 0/8/0/0.1.239.255.0 fcpdev NO_HW INTERFACE FCP Device Interface
target 8 0/8/0/0.1.239.255.0.1 tgt NO_HW DEVICE
ctl 5 0/8/0/0.1.239.255.0.1.0 sctl NO_HW DEVICE Compaq MSA Fabric Sw 6
fcp 1 0/8/0/0.99 fcp NO_HW INTERFACE FCP Domain





5 REPLIES 5
Víctor Cespón
Honored Contributor

Re: About ioscan -fnCdisk results NO_HW in SAN environment.

MSA SAN switch 6 was sold with the MSA1000 long time ago, and has since been replaced with a Brocade 2/8 switch.

The MSA SAN switch 6 cannot be connected to any other switch (it's not Brocade, McData or Cisco), cannot interact with your other switches.

That switch was sold as a cheap option but do not expect too much from it: almost no documentation, no fimware updates...
zykoo
New Member

Re: About ioscan -fnCdisk results NO_HW in SAN environment.

Thank you vcespon.

From what you say,i have no way to merge them in proper working order.
and i found this information (http://findarticles.com/p/articles/mi_m0BRZ/is_12_20/ai_77081850/)
Is this information indicate if they are both have FC-SW-2 open fabric standard? then they
will working normally.

Regards
zykoo
New Member

Re: About ioscan -fnCdisk results NO_HW in SAN environment.

Thank you vcespon.

From what you say,i have no way to merge them in proper working order.
and i found this information http://findarticles.com/p/articles/mi_m0BRZ/is_12_20/ai_77081850/
Is this information indicate if they are both have FC-SW-2 open fabric standard? then they will working normally.

Regards
Víctor Cespón
Honored Contributor
Solution

Re: About ioscan -fnCdisk results NO_HW in SAN environment.

There's very little documentation about that switch model. The user guide only talks about connecting it to another identical switch.

This was sold for customers with small environments (maximum 5 servers). If you're going to use an external Brocade switch, you can try to replace the SAN Switch 6 with an FC I/O module.
zykoo
New Member

Re: About ioscan -fnCdisk results NO_HW in SAN environment.

Im afraid to change MSA 6 switch is the only way for this situation.

Thanks for your helps,vcespon