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тАО09-28-2009 01:17 PM
тАО09-28-2009 01:17 PM
Under HP LVM can you verify that the local disks are configured with Raid 0+1 ? If not, how can I find this out?
Server details:
Platform info:
model string = "ia64 hp server rx2660"
OS info:
sysname = HP-UX
release = B.11.23
version = U (unlimited-user license)
machine = ia64
Thanks in advance
Eddie
Solved! Go to Solution.
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тАО09-28-2009 01:20 PM
тАО09-28-2009 01:20 PM
Re: How to confirm Local Disks are configured with Raid 0+1
lvdisplay /dev/vg##/lvol#
pvdisplay /dev/dsk/c#t#d#
Paste in a lv and pv display from one vg and we'll go over it.
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тАО09-28-2009 01:32 PM
тАО09-28-2009 01:32 PM
Re: How to confirm Local Disks are configured with Raid 0+1
Heres theoutputs:
# vgdisplay -v vg00
--- Volume groups ---
VG Name /dev/vg00
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 8
Open LV 8
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 4304
VGDA 2
PE Size (Mbytes) 16
Total PE 4294
Alloc PE 2963
Free PE 1331
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
--- Logical volumes ---
LV Name /dev/vg00/lvol1
LV Status available/syncd
LV Size (Mbytes) 304
Current LE 19
Allocated PE 19
Used PV 1
LV Name /dev/vg00/lvol2
LV Status available/syncd
LV Size (Mbytes) 4096
Current LE 256
Allocated PE 256
Used PV 1
LV Name /dev/vg00/lvol3
LV Status available/syncd
LV Size (Mbytes) 2048
Current LE 128
Allocated PE 128
Used PV 1
LV Name /dev/vg00/lvol4
LV Status available/syncd
LV Size (Mbytes) 2048
Current LE 128
Allocated PE 128
Used PV 1
LV Name /dev/vg00/lvol5
LV Status available/syncd
LV Size (Mbytes) 20480
Current LE 1280
Allocated PE 1280
Used PV 1
LV Name /dev/vg00/lvol6
LV Status available/syncd
LV Size (Mbytes) 4096
Current LE 256
Allocated PE 256
Used PV 1
LV Name /dev/vg00/lvol7
LV Status available/syncd
LV Size (Mbytes) 8192
Current LE 512
Allocated PE 512
Used PV 1
LV Name /dev/vg00/lvol8
LV Status available/syncd
LV Size (Mbytes) 6144
Current LE 384
Allocated PE 384
Used PV 1
--- Physical volumes ---
PV Name /dev/dsk/c1t0d0s2
PV Status available
Total PE 4294
Free PE 1331
Autoswitch On
Proactive Polling On
# lvdisplay /dev/vg00/lvol1
--- Logical volumes ---
LV Name /dev/vg00/lvol1
VG Name /dev/vg00
LV Permission read/write
LV Status available/syncd
Mirror copies 0
Consistency Recovery MWC
Schedule parallel
LV Size (Mbytes) 304
Current LE 19
Allocated PE 19
Stripes 0
Stripe Size (Kbytes) 0
Bad block off
Allocation strict/contiguous
IO Timeout (Seconds) default
# pvdisplay /dev/dsk/c1t0d0s2
--- Physical volumes ---
PV Name /dev/dsk/c1t0d0s2
VG Name /dev/vg00
PV Status available
Allocatable yes
VGDA 2
Cur LV 8
PE Size (Mbytes) 16
Total PE 4294
Free PE 1331
Allocated PE 2963
Stale PE 0
IO Timeout (Seconds) default
Autoswitch On
Proactive Polling On
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тАО09-28-2009 01:45 PM
тАО09-28-2009 01:45 PM
Re: How to confirm Local Disks are configured with Raid 0+1
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тАО09-28-2009 01:48 PM
тАО09-28-2009 01:48 PM
Re: How to confirm Local Disks are configured with Raid 0+1
How do you check that hardware mirroring (Raid 0+1) is in place ?
Eddie
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тАО09-28-2009 01:58 PM
тАО09-28-2009 01:58 PM
Re: How to confirm Local Disks are configured with Raid 0+1
Use 'sasmgr' as for example:
# sasmgr get_info -D /dev/sasd0 -q raid
Regards!
...JRF...
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тАО09-28-2009 02:17 PM
тАО09-28-2009 02:17 PM
Re: How to confirm Local Disks are configured with Raid 0+1
# ioscan -kfnCfc
Class I H/W Path Driver S/W State H/W Type Description
========================================================================
fc 0 0/2/0/0/0/0 fclp CLAIMED INTERFACE HP AD299-60001 4Gb PCIe 1-port Fibre Channel Adapter
/dev/fclp0
fc 1 0/4/0/0/0/0 fclp CLAIMED INTERFACE HP AD299-60001 4Gb PCIe 1-port Fibre Channel Adapter
/dev/fclp1
# sasmgr get_info -D /dev/fclp0 -q raid
ERROR: Unable to find library '/opt/sas/fclp/lib/libfclputil.so'.
sasmgr expects a HBA specific library to be provided by the driver, fclp.
#
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тАО09-28-2009 02:25 PM
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тАО09-28-2009 02:36 PM
тАО09-28-2009 02:36 PM
Re: How to confirm Local Disks are configured with Raid 0+1
Cheers
Eddie
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тАО09-28-2009 03:07 PM
тАО09-28-2009 03:07 PM
Re: How to confirm Local Disks are configured with Raid 0+1
Gee, if you had copy-and-pasted the command I suggested it might have worked the first time.
...JRF...