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ioscan NO_HW but availble, etc.

 
Tariq Hasan_1
Frequent Advisor

тАО08-09-2010 02:18 AM

тАО08-09-2010 02:18 AM

ioscan NO_HW but availble, etc.

Hello

Our strage team ran a test with a SYMMETRIX disk, whereby they presented a LUN, which I configured and mounted, etc. It was configured on c16, powermt showing it as a 5th and optimal. The test was the symmetrix fa the lun was attached to was relocated to another switch within the fabric. (not from me, from storage guy, i know little about this).
I have now run insf's and the dik is now showing on c17, a 6th path is showing as optimal, and c16 is now failed, which I cannot clear. The VG is mounted again, and when i do a vgdisplay on the VG, it shows the PV as c16, not c17. Also, i can do diskinfos and pvdisplay on th old c16 device, but not thw new c17 device. Weird, or am I missing something? This was a test, we want to do this in prod with a MCSG clustered application with no downtime in the future (we have multiple paths in Prod). Hope this makes sense.
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F Verschuren
Esteemed Contributor

тАО08-09-2010 03:44 AM

тАО08-09-2010 03:44 AM

Re: ioscan NO_HW but availble, etc.

sorry it does not make sense,
please post your ioscan, vgdisplay and pvdisplay.

it is normal that if you relocate to a other switch the luns will get on no_hw on the old paht (that is normal behavure).

a vgscan (if I remember correct will please the new path to the correct vg. but the no_hw will stay on your server till you reboot the server...
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Tariq Hasan_1
Frequent Advisor

тАО08-09-2010 04:09 AM

тАО08-09-2010 04:09 AM

Re: ioscan NO_HW but availble, etc.

Class I H/W Path Driver S/W State H/W Type Description
============================================================================
disk 0 0/0/2/0.0.0.0 sdisk CLAIMED DEVICE TEAC DV-28E-C
/dev/dsk/c0t0d0 /dev/rdsk/c0t0d0
disk 1 0/1/1/0.0.0 sdisk CLAIMED DEVICE HP 73.4GST373454LC
/dev/dsk/c2t0d0 /dev/rdsk/c2t0d0
disk 2 0/1/1/0.1.0 sdisk CLAIMED DEVICE HP 73.4GST373454LC
/dev/dsk/c2t1d0 /dev/rdsk/c2t1d0
disk 3 0/1/1/1.2.0 sdisk CLAIMED DEVICE HP 73.4GMAS3735NC
/dev/dsk/c3t2d0 /dev/rdsk/c3t2d0
disk 5 0/2/1/0/4/0.1.0.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d0 /dev/rdsk/c8t0d0
disk 8 0/2/1/0/4/0.1.0.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d1 /dev/rdsk/c8t0d1
disk 10 0/2/1/0/4/0.1.0.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d2 /dev/rdsk/c8t0d2
disk 12 0/2/1/0/4/0.1.0.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d3 /dev/rdsk/c8t0d3
disk 14 0/2/1/0/4/0.1.0.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d4 /dev/rdsk/c8t0d4
disk 16 0/2/1/0/4/0.1.0.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d5 /dev/rdsk/c8t0d5
disk 20 0/2/1/0/4/0.1.0.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d6 /dev/rdsk/c8t0d6
disk 24 0/2/1/0/4/0.1.0.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d7 /dev/rdsk/c8t0d7
disk 30 0/2/1/0/4/0.1.0.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d0 /dev/rdsk/c8t1d0
disk 37 0/2/1/0/4/0.1.0.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d1 /dev/rdsk/c8t1d1
disk 41 0/2/1/0/4/0.1.0.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d2 /dev/rdsk/c8t1d2
disk 43 0/2/1/0/4/0.1.0.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d3 /dev/rdsk/c8t1d3
disk 47 0/2/1/0/4/0.1.0.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d4 /dev/rdsk/c8t1d4
disk 51 0/2/1/0/4/0.1.0.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d5 /dev/rdsk/c8t1d5
disk 55 0/2/1/0/4/0.1.0.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d6 /dev/rdsk/c8t1d6
disk 58 0/2/1/0/4/0.1.0.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d7 /dev/rdsk/c8t1d7
disk 63 0/2/1/0/4/0.1.0.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d0 /dev/rdsk/c8t2d0
disk 70 0/2/1/0/4/0.1.0.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d1 /dev/rdsk/c8t2d1
disk 74 0/2/1/0/4/0.1.0.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d2 /dev/rdsk/c8t2d2
disk 76 0/2/1/0/4/0.1.0.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d3 /dev/rdsk/c8t2d3
disk 84 0/2/1/0/4/0.1.12.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d0 /dev/rdsk/c12t0d0
disk 86 0/2/1/0/4/0.1.12.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d1 /dev/rdsk/c12t0d1
disk 89 0/2/1/0/4/0.1.12.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d2 /dev/rdsk/c12t0d2
disk 91 0/2/1/0/4/0.1.12.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d3 /dev/rdsk/c12t0d3
disk 92 0/2/1/0/4/0.1.12.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d4 /dev/rdsk/c12t0d4
disk 95 0/2/1/0/4/0.1.12.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d5 /dev/rdsk/c12t0d5
disk 97 0/2/1/0/4/0.1.12.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d6 /dev/rdsk/c12t0d6
disk 99 0/2/1/0/4/0.1.12.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d7 /dev/rdsk/c12t0d7
disk 101 0/2/1/0/4/0.1.12.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d0 /dev/rdsk/c12t1d0
disk 103 0/2/1/0/4/0.1.12.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d1 /dev/rdsk/c12t1d1
disk 105 0/2/1/0/4/0.1.12.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d2 /dev/rdsk/c12t1d2
disk 107 0/2/1/0/4/0.1.12.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d3 /dev/rdsk/c12t1d3
disk 109 0/2/1/0/4/0.1.12.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d4 /dev/rdsk/c12t1d4
disk 111 0/2/1/0/4/0.1.12.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d5 /dev/rdsk/c12t1d5
disk 113 0/2/1/0/4/0.1.12.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d6 /dev/rdsk/c12t1d6
disk 115 0/2/1/0/4/0.1.12.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d7 /dev/rdsk/c12t1d7
disk 117 0/2/1/0/4/0.1.12.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d0 /dev/rdsk/c12t2d0
disk 119 0/2/1/0/4/0.1.12.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d1 /dev/rdsk/c12t2d1
disk 121 0/2/1/0/4/0.1.12.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d2 /dev/rdsk/c12t2d2
disk 123 0/2/1/0/4/0.1.12.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d3 /dev/rdsk/c12t2d3
disk 7 0/6/1/0/4/0.2.0.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d0 /dev/rdsk/c10t0d0
disk 19 0/6/1/0/4/0.2.0.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d1 /dev/rdsk/c10t0d1
disk 23 0/6/1/0/4/0.2.0.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d2 /dev/rdsk/c10t0d2
disk 27 0/6/1/0/4/0.2.0.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d3 /dev/rdsk/c10t0d3
disk 29 0/6/1/0/4/0.2.0.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d4 /dev/rdsk/c10t0d4
disk 33 0/6/1/0/4/0.2.0.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d5 /dev/rdsk/c10t0d5
disk 34 0/6/1/0/4/0.2.0.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d6 /dev/rdsk/c10t0d6
disk 38 0/6/1/0/4/0.2.0.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d7 /dev/rdsk/c10t0d7
disk 44 0/6/1/0/4/0.2.0.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d0 /dev/rdsk/c10t1d0
disk 49 0/6/1/0/4/0.2.0.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d1 /dev/rdsk/c10t1d1
disk 53 0/6/1/0/4/0.2.0.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d2 /dev/rdsk/c10t1d2
disk 57 0/6/1/0/4/0.2.0.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d3 /dev/rdsk/c10t1d3
disk 60 0/6/1/0/4/0.2.0.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d4 /dev/rdsk/c10t1d4
disk 64 0/6/1/0/4/0.2.0.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d5 /dev/rdsk/c10t1d5
disk 67 0/6/1/0/4/0.2.0.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d6 /dev/rdsk/c10t1d6
disk 72 0/6/1/0/4/0.2.0.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d7 /dev/rdsk/c10t1d7
disk 75 0/6/1/0/4/0.2.0.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d0 /dev/rdsk/c10t2d0
disk 78 0/6/1/0/4/0.2.0.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d1 /dev/rdsk/c10t2d1
disk 80 0/6/1/0/4/0.2.0.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d2 /dev/rdsk/c10t2d2
disk 82 0/6/1/0/4/0.2.0.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d3 /dev/rdsk/c10t2d3
disk 124 0/6/1/0/4/0.2.0.255.0.10.0 sdisk NO_HW DEVICE EMC SYMMETRIX
/dev/dsk/c16t10d0 /dev/rdsk/c16t10d0
disk 85 0/6/1/0/4/0.2.10.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d0 /dev/rdsk/c14t0d0
disk 87 0/6/1/0/4/0.2.10.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d1 /dev/rdsk/c14t0d1
disk 88 0/6/1/0/4/0.2.10.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d2 /dev/rdsk/c14t0d2
disk 90 0/6/1/0/4/0.2.10.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d3 /dev/rdsk/c14t0d3
disk 93 0/6/1/0/4/0.2.10.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d4 /dev/rdsk/c14t0d4
disk 94 0/6/1/0/4/0.2.10.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d5 /dev/rdsk/c14t0d5
disk 96 0/6/1/0/4/0.2.10.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d6 /dev/rdsk/c14t0d6
disk 98 0/6/1/0/4/0.2.10.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d7 /dev/rdsk/c14t0d7
disk 100 0/6/1/0/4/0.2.10.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d0 /dev/rdsk/c14t1d0
disk 102 0/6/1/0/4/0.2.10.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d1 /dev/rdsk/c14t1d1
disk 104 0/6/1/0/4/0.2.10.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d2 /dev/rdsk/c14t1d2
disk 106 0/6/1/0/4/0.2.10.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d3 /dev/rdsk/c14t1d3
disk 108 0/6/1/0/4/0.2.10.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d4 /dev/rdsk/c14t1d4
disk 110 0/6/1/0/4/0.2.10.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d5 /dev/rdsk/c14t1d5
disk 112 0/6/1/0/4/0.2.10.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d6 /dev/rdsk/c14t1d6
disk 114 0/6/1/0/4/0.2.10.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d7 /dev/rdsk/c14t1d7
disk 116 0/6/1/0/4/0.2.10.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d0 /dev/rdsk/c14t2d0
disk 118 0/6/1/0/4/0.2.10.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d1 /dev/rdsk/c14t2d1
disk 120 0/6/1/0/4/0.2.10.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d2 /dev/rdsk/c14t2d2
disk 122 0/6/1/0/4/0.2.10.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d3 /dev/rdsk/c14t2d3
disk 125 0/6/1/0/4/0.6.0.255.0.0.0 sdisk CLAIMED DEVICE EMC SYMMETRIX
/dev/dsk/c17t0d0 /dev/rdsk/c17t0d0



--- Volume groups ---
VG Name /dev/vgtariq
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 1
Open LV 1
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 2158
VGDA 2
PE Size (Mbytes) 4
Total PE 2157
Alloc PE 2000
Free PE 157
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0

--- Logical volumes ---
LV Name /dev/vgtariq/lv_test
LV Status available/syncd
LV Size (Mbytes) 8000
Current LE 2000
Allocated PE 2000
Used PV 1



--- Physical volumes ---
PV Name /dev/dsk/c16t10d0
PV Status available
Total PE 2157
Free PE 157
Autoswitch On


pvdisplay /dev/dsk/c16t10d0

--- Physical volumes ---
PV Name /dev/dsk/c16t10d0
VG Name /dev/vgtariq
PV Status available
Allocatable yes
VGDA 2
Cur LV 1
PE Size (Mbytes) 4
Total PE 2157
Free PE 157
Allocated PE 2000
Stale PE 0
IO Timeout (Seconds) default
Autoswitch On


pvdisplay /dev/dsk/c17t0d0

pvdisplay: Couldn't find the volume group to which
physical volume "/dev/dsk/c17t0d0" belongs.
pvdisplay: Cannot display physical volume "/dev/dsk/c17t0d0".

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rariasn
Honored Contributor

тАО08-09-2010 04:17 AM

тАО08-09-2010 04:17 AM

Re: ioscan NO_HW but availble, etc.

Hi,

PowerPath manage alternate paths to sysmetrix disks.

You can add the alternate disk to vg using vgextend command.

# vgextend vgname /dev/dsk/c17t00

# vgdisplay vgname

rgs,


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Tariq Hasan_1
Frequent Advisor

тАО08-09-2010 06:25 AM

тАО08-09-2010 06:25 AM

Re: ioscan NO_HW but availble, etc.

powermt display

Symmetrix logical device count=1
CLARiiON logical device count=20
==============================================================================
----- Host Bus Adapters --------- ------ I/O Paths ----- ------ Stats ------
### HW Path Summary Total Dead IO/Sec Q-IOs Errors
==============================================================================
8 0/2/1/0/4/0.1.0.239.0 optimal 20 0 - 0 0
10 0/6/1/0/4/0.2.0.239.0 optimal 20 0 - 0 0
12 0/2/1/0/4/0.1.12.239.0 optimal 20 0 - 0 0
14 0/6/1/0/4/0.2.10.239.0 optimal 20 0 - 0 0
16 0/6/1/0/4/0.2.0.255.0 failed 1 1 - 0 1
17 0/6/1/0/4/0.6.0.255.0 optimal 1 0 - 0 0



vgdisplay -v vgtariq

--- Volume groups ---
VG Name /dev/vgtariq
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 1
Open LV 1
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 2158
VGDA 2
PE Size (Mbytes) 4
Total PE 2157
Alloc PE 2000
Free PE 157
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0

--- Logical volumes ---
LV Name /dev/vgtariq/lv_test
LV Status available/syncd
LV Size (Mbytes) 8000
Current LE 2000
Allocated PE 2000
Used PV 1



--- Physical volumes ---
PV Name /dev/dsk/c16t10d0
PV Name /dev/dsk/c17t0d0 Alternate Link
PV Status available
Total PE 2157
Free PE 157
Autoswitch On



pvdisplay /dev/dsk/c17t0d0

Device file path "/dev/dsk/c17t0d0" is an alternate path
to the Physical Volume. Using Primary Link "/dev/dsk/c16t10d0".
--- Physical volumes ---
PV Name /dev/dsk/c16t10d0
PV Name /dev/dsk/c17t0d0 Alternate Link
VG Name /dev/vgtariq
PV Status available
Allocatable yes
VGDA 2
Cur LV 1
PE Size (Mbytes) 4
Total PE 2157
Free PE 157
Allocated PE 2000
Stale PE 0
IO Timeout (Seconds) default
Autoswitch On
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Tariq Hasan_1
Frequent Advisor

тАО08-09-2010 06:33 AM

тАО08-09-2010 06:33 AM

Re: ioscan NO_HW but availble, etc.

how do i clear the NO_HW flag?
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S. Ney
Trusted Contributor

тАО08-09-2010 11:24 AM

тАО08-09-2010 11:24 AM

Re: ioscan NO_HW but availble, etc.

With EMC Symmtrix you shouldn't be using pvlinks. However to remove the no h/w link:
vgreduce /dev/vgname /dev/dsk/c16t10d0
or vgreduce -f /dev/vgname
rmsf /dev/dsk/c16t10d0 rmsf /dev/rdsk/c16t10d0
vgdisplay -v /dev/vgname
strings /etc/lvmtab
powermt check
powermt config
powermt save

From EMC powerpath for hpux guide:
EMC recommends the use of LVM alternate links (PVLinks) when
you boot from a storage system. If the primary path fails, an
automatic switch to the alternate path occurs. If PowerPath is not
installed, use of alternate links increases availability in the event of
hardware problems.

see older thread:
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1072891
Otherwise, EMC recommends that you disable PVLinks when using PowerPath.
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Tariq Hasan_1
Frequent Advisor

тАО08-10-2010 01:36 AM

тАО08-10-2010 01:36 AM

Re: ioscan NO_HW but availble, etc.

This is what I have now:

Class I H/W Path Driver S/W State H/W Type Description
============================================================================
disk 0 0/0/2/0.0.0.0 sdisk CLAIMED DEVICE TEAC DV-28E-C
/dev/dsk/c0t0d0 /dev/rdsk/c0t0d0
disk 1 0/1/1/0.0.0 sdisk CLAIMED DEVICE HP 73.4GST373454LC
/dev/dsk/c2t0d0 /dev/rdsk/c2t0d0
disk 2 0/1/1/0.1.0 sdisk CLAIMED DEVICE HP 73.4GST373454LC
/dev/dsk/c2t1d0 /dev/rdsk/c2t1d0
disk 3 0/1/1/1.2.0 sdisk CLAIMED DEVICE HP 73.4GMAS3735NC
/dev/dsk/c3t2d0 /dev/rdsk/c3t2d0
disk 5 0/2/1/0/4/0.1.0.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d0 /dev/rdsk/c8t0d0
disk 8 0/2/1/0/4/0.1.0.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d1 /dev/rdsk/c8t0d1
disk 10 0/2/1/0/4/0.1.0.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d2 /dev/rdsk/c8t0d2
disk 12 0/2/1/0/4/0.1.0.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d3 /dev/rdsk/c8t0d3
disk 14 0/2/1/0/4/0.1.0.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d4 /dev/rdsk/c8t0d4
disk 16 0/2/1/0/4/0.1.0.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d5 /dev/rdsk/c8t0d5
disk 20 0/2/1/0/4/0.1.0.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d6 /dev/rdsk/c8t0d6
disk 24 0/2/1/0/4/0.1.0.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t0d7 /dev/rdsk/c8t0d7
disk 30 0/2/1/0/4/0.1.0.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d0 /dev/rdsk/c8t1d0
disk 37 0/2/1/0/4/0.1.0.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d1 /dev/rdsk/c8t1d1
disk 41 0/2/1/0/4/0.1.0.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d2 /dev/rdsk/c8t1d2
disk 43 0/2/1/0/4/0.1.0.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d3 /dev/rdsk/c8t1d3
disk 47 0/2/1/0/4/0.1.0.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d4 /dev/rdsk/c8t1d4
disk 51 0/2/1/0/4/0.1.0.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d5 /dev/rdsk/c8t1d5
disk 55 0/2/1/0/4/0.1.0.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d6 /dev/rdsk/c8t1d6
disk 58 0/2/1/0/4/0.1.0.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t1d7 /dev/rdsk/c8t1d7
disk 63 0/2/1/0/4/0.1.0.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d0 /dev/rdsk/c8t2d0
disk 70 0/2/1/0/4/0.1.0.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d1 /dev/rdsk/c8t2d1
disk 74 0/2/1/0/4/0.1.0.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d2 /dev/rdsk/c8t2d2
disk 76 0/2/1/0/4/0.1.0.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c8t2d3 /dev/rdsk/c8t2d3
disk 84 0/2/1/0/4/0.1.12.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d0 /dev/rdsk/c12t0d0
disk 86 0/2/1/0/4/0.1.12.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d1 /dev/rdsk/c12t0d1
disk 89 0/2/1/0/4/0.1.12.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d2 /dev/rdsk/c12t0d2
disk 91 0/2/1/0/4/0.1.12.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d3 /dev/rdsk/c12t0d3
disk 92 0/2/1/0/4/0.1.12.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d4 /dev/rdsk/c12t0d4
disk 95 0/2/1/0/4/0.1.12.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d5 /dev/rdsk/c12t0d5
disk 97 0/2/1/0/4/0.1.12.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d6 /dev/rdsk/c12t0d6
disk 99 0/2/1/0/4/0.1.12.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t0d7 /dev/rdsk/c12t0d7
disk 101 0/2/1/0/4/0.1.12.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d0 /dev/rdsk/c12t1d0
disk 103 0/2/1/0/4/0.1.12.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d1 /dev/rdsk/c12t1d1
disk 105 0/2/1/0/4/0.1.12.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d2 /dev/rdsk/c12t1d2
disk 107 0/2/1/0/4/0.1.12.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d3 /dev/rdsk/c12t1d3
disk 109 0/2/1/0/4/0.1.12.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d4 /dev/rdsk/c12t1d4
disk 111 0/2/1/0/4/0.1.12.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d5 /dev/rdsk/c12t1d5
disk 113 0/2/1/0/4/0.1.12.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d6 /dev/rdsk/c12t1d6
disk 115 0/2/1/0/4/0.1.12.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t1d7 /dev/rdsk/c12t1d7
disk 117 0/2/1/0/4/0.1.12.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d0 /dev/rdsk/c12t2d0
disk 119 0/2/1/0/4/0.1.12.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d1 /dev/rdsk/c12t2d1
disk 121 0/2/1/0/4/0.1.12.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d2 /dev/rdsk/c12t2d2
disk 123 0/2/1/0/4/0.1.12.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c12t2d3 /dev/rdsk/c12t2d3
disk 7 0/6/1/0/4/0.2.0.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d0 /dev/rdsk/c10t0d0
disk 19 0/6/1/0/4/0.2.0.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d1 /dev/rdsk/c10t0d1
disk 23 0/6/1/0/4/0.2.0.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d2 /dev/rdsk/c10t0d2
disk 27 0/6/1/0/4/0.2.0.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d3 /dev/rdsk/c10t0d3
disk 29 0/6/1/0/4/0.2.0.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d4 /dev/rdsk/c10t0d4
disk 33 0/6/1/0/4/0.2.0.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d5 /dev/rdsk/c10t0d5
disk 34 0/6/1/0/4/0.2.0.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d6 /dev/rdsk/c10t0d6
disk 38 0/6/1/0/4/0.2.0.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t0d7 /dev/rdsk/c10t0d7
disk 44 0/6/1/0/4/0.2.0.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d0 /dev/rdsk/c10t1d0
disk 49 0/6/1/0/4/0.2.0.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d1 /dev/rdsk/c10t1d1
disk 53 0/6/1/0/4/0.2.0.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d2 /dev/rdsk/c10t1d2
disk 57 0/6/1/0/4/0.2.0.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d3 /dev/rdsk/c10t1d3
disk 60 0/6/1/0/4/0.2.0.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d4 /dev/rdsk/c10t1d4
disk 64 0/6/1/0/4/0.2.0.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d5 /dev/rdsk/c10t1d5
disk 67 0/6/1/0/4/0.2.0.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d6 /dev/rdsk/c10t1d6
disk 72 0/6/1/0/4/0.2.0.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t1d7 /dev/rdsk/c10t1d7
disk 75 0/6/1/0/4/0.2.0.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d0 /dev/rdsk/c10t2d0
disk 78 0/6/1/0/4/0.2.0.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d1 /dev/rdsk/c10t2d1
disk 80 0/6/1/0/4/0.2.0.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d2 /dev/rdsk/c10t2d2
disk 82 0/6/1/0/4/0.2.0.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c10t2d3 /dev/rdsk/c10t2d3
disk 124 0/6/1/0/4/0.2.0.255.0.10.0 sdisk NO_HW DEVICE EMC SYMMETRIX
disk 85 0/6/1/0/4/0.2.10.239.0.0.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d0 /dev/rdsk/c14t0d0
disk 87 0/6/1/0/4/0.2.10.239.0.0.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d1 /dev/rdsk/c14t0d1
disk 88 0/6/1/0/4/0.2.10.239.0.0.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d2 /dev/rdsk/c14t0d2
disk 90 0/6/1/0/4/0.2.10.239.0.0.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d3 /dev/rdsk/c14t0d3
disk 93 0/6/1/0/4/0.2.10.239.0.0.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d4 /dev/rdsk/c14t0d4
disk 94 0/6/1/0/4/0.2.10.239.0.0.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d5 /dev/rdsk/c14t0d5
disk 96 0/6/1/0/4/0.2.10.239.0.0.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d6 /dev/rdsk/c14t0d6
disk 98 0/6/1/0/4/0.2.10.239.0.0.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t0d7 /dev/rdsk/c14t0d7
disk 100 0/6/1/0/4/0.2.10.239.0.1.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d0 /dev/rdsk/c14t1d0
disk 102 0/6/1/0/4/0.2.10.239.0.1.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d1 /dev/rdsk/c14t1d1
disk 104 0/6/1/0/4/0.2.10.239.0.1.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d2 /dev/rdsk/c14t1d2
disk 106 0/6/1/0/4/0.2.10.239.0.1.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d3 /dev/rdsk/c14t1d3
disk 108 0/6/1/0/4/0.2.10.239.0.1.4 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d4 /dev/rdsk/c14t1d4
disk 110 0/6/1/0/4/0.2.10.239.0.1.5 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d5 /dev/rdsk/c14t1d5
disk 112 0/6/1/0/4/0.2.10.239.0.1.6 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d6 /dev/rdsk/c14t1d6
disk 114 0/6/1/0/4/0.2.10.239.0.1.7 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t1d7 /dev/rdsk/c14t1d7
disk 116 0/6/1/0/4/0.2.10.239.0.2.0 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d0 /dev/rdsk/c14t2d0
disk 118 0/6/1/0/4/0.2.10.239.0.2.1 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d1 /dev/rdsk/c14t2d1
disk 120 0/6/1/0/4/0.2.10.239.0.2.2 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d2 /dev/rdsk/c14t2d2
disk 122 0/6/1/0/4/0.2.10.239.0.2.3 sdisk CLAIMED DEVICE DGC CX500WDR5
/dev/dsk/c14t2d3 /dev/rdsk/c14t2d3
disk 125 0/6/1/0/4/0.6.0.255.0.0.0 sdisk CLAIMED DEVICE EMC SYMMETRIX
/dev/dsk/c17t0d0 /dev/rdsk/c17t0d0

__________________________________________

powermt check

Warning: Symmetrix device path unknown is currently dead.
Do you want to remove it (y/n/a/q)? a
Illegal device unknown.
Volume not found.

powermt config

powermt display

Symmetrix logical device count=1
CLARiiON logical device count=20
==============================================================================
----- Host Bus Adapters --------- ------ I/O Paths ----- ------ Stats ------
### HW Path Summary Total Dead IO/Sec Q-IOs Errors
==============================================================================
8 0/2/1/0/4/0.1.0.239.0 optimal 20 0 - 0 0
10 0/6/1/0/4/0.2.0.239.0 optimal 20 0 - 0 0
12 0/2/1/0/4/0.1.12.239.0 optimal 20 0 - 0 0
14 0/6/1/0/4/0.2.10.239.0 optimal 20 0 - 0 0
16 0/6/1/0/4/0.2.0.255.0 failed 1 1 - 0 2
17 0/6/1/0/4/0.6.0.255.0 optimal 1 0 - 0 2

--- Volume groups ---
VG Name /dev/vgtariq
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 1
Open LV 1
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 2158
VGDA 2
PE Size (Mbytes) 4
Total PE 2157
Alloc PE 2000
Free PE 157
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0

--- Logical volumes ---
LV Name /dev/vgtariq/lv_test
LV Status available/syncd
LV Size (Mbytes) 8000
Current LE 2000
Allocated PE 2000
Used PV 1
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rariasn
Honored Contributor

тАО08-10-2010 02:00 AM

тАО08-10-2010 02:00 AM

Re: ioscan NO_HW but availble, etc.

Hi#

Verify if hba is enabled.

# powermt display hba_mode

### HW Path Summary Total Dead Q-IOs Mode
==============================================================================
25 0/2/0/0.33.0.23.2 failed 4 4 0 Disabled
26 0/4/0/0.33.4.28.2 optimal 4 0 0 Enabled

If hba is in disabled mode:

# powermt enable hba=nn

and:

# ioscan -fn

rgs,

rgs,
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