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тАО12-28-2009 09:26 PM
тАО12-28-2009 09:26 PM
Root mirror
Hi,
Please see the following:
# lvlnboot -v
Boot Definitions for Volume Group /dev/vg00:
Physical Volumes belonging in Root Volume Group:
/dev/dsk/c2t0d0s2 (4/0/1/1/0/4/0.0.0) -- Boot Disk
/dev/dsk/c0t0d0 (6/0/1/1/0/4/0.0.0)
Boot: lvol1 on: /dev/dsk/c2t0d0s2
Root: lvol3 on: /dev/dsk/c2t0d0s2
Swap: lvol2 on: /dev/dsk/c2t0d0s2
Dump: lvol2 on: /dev/dsk/c2t0d0s2, 0
setboot
Primary bootpath : 4/0/1/1/0/4/0.0.0
HA Alternate bootpath :
Alternate bootpath : 6/0/1/1/0/4/0.0.0
Autoboot is ON (enabled)
lvdisplay /dev/vg00/lvol7
--- Logical volumes ---
LV Name /dev/vg00/lvol7
VG Name /dev/vg00
LV Permission read/write
LV Status available/syncd
Mirror copies 0
Consistency Recovery MWC
Schedule parallel
LV Size (Mbytes) 20480
Current LE 640
Allocated PE 640
Stripes 0
Stripe Size (Kbytes) 0
Bad block on
Allocation strict
IO Timeout (Seconds) default
similarly mirror copies 0 for all using chkdsks script
# vgdisplay -v vg00| grep "PV Name"
PV Name /dev/dsk/c2t0d0s2
PV Name /dev/dsk/c0t0d0
So, the system doesnt have a mirrored root disk and no HA alternate bootpath.
1. Am I correct?
2. Need help on HA alternate and alternate bootpaths.
3. How to go about the problem now.
Please see the following:
# lvlnboot -v
Boot Definitions for Volume Group /dev/vg00:
Physical Volumes belonging in Root Volume Group:
/dev/dsk/c2t0d0s2 (4/0/1/1/0/4/0.0.0) -- Boot Disk
/dev/dsk/c0t0d0 (6/0/1/1/0/4/0.0.0)
Boot: lvol1 on: /dev/dsk/c2t0d0s2
Root: lvol3 on: /dev/dsk/c2t0d0s2
Swap: lvol2 on: /dev/dsk/c2t0d0s2
Dump: lvol2 on: /dev/dsk/c2t0d0s2, 0
setboot
Primary bootpath : 4/0/1/1/0/4/0.0.0
HA Alternate bootpath :
Alternate bootpath : 6/0/1/1/0/4/0.0.0
Autoboot is ON (enabled)
lvdisplay /dev/vg00/lvol7
--- Logical volumes ---
LV Name /dev/vg00/lvol7
VG Name /dev/vg00
LV Permission read/write
LV Status available/syncd
Mirror copies 0
Consistency Recovery MWC
Schedule parallel
LV Size (Mbytes) 20480
Current LE 640
Allocated PE 640
Stripes 0
Stripe Size (Kbytes) 0
Bad block on
Allocation strict
IO Timeout (Seconds) default
similarly mirror copies 0 for all using chkdsks script
# vgdisplay -v vg00| grep "PV Name"
PV Name /dev/dsk/c2t0d0s2
PV Name /dev/dsk/c0t0d0
So, the system doesnt have a mirrored root disk and no HA alternate bootpath.
1. Am I correct?
2. Need help on HA alternate and alternate bootpaths.
3. How to go about the problem now.
3 REPLIES 3
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тАО12-28-2009 09:35 PM
тАО12-28-2009 09:35 PM
Re: Root mirror
Hi
You didn't have the mirror and you have the alternate bootpath which is
6/0/1/1/0/4/0.0.0
Regards
Sunny
You didn't have the mirror and you have the alternate bootpath which is
6/0/1/1/0/4/0.0.0
Regards
Sunny
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тАО12-28-2009 10:02 PM
тАО12-28-2009 10:02 PM
Re: Root mirror
Hi Spark,
>> system doesnt have a mirrored root disk
Correct
>> How to go about the problem now
Check if /dev/dsk/c0t0d0 is a disk or DVD drive
# ioscan -fnC disk
Else, you can add a free disk to VG00 and then follow the mirror procedure (Page 50-53).
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf
>> system doesnt have a mirrored root disk
Correct
>> How to go about the problem now
Check if /dev/dsk/c0t0d0 is a disk or DVD drive
# ioscan -fnC disk
Else, you can add a free disk to VG00 and then follow the mirror procedure (Page 50-53).
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf
Don't fix what ain't broke
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тАО12-28-2009 10:41 PM
тАО12-28-2009 10:41 PM
Re: Root mirror
Hi,
So, the system doesnt have a mirrored root disk and no HA alternate bootpath.
1. Am I correct?
Yes you dont have the boot disk mirrored.
2. Need help on HA alternate and alternate bootpaths.
HA alternate and Alternate boot path is nothing but from where you can boot if there is a primary boot disk failure.
Currently you dont have a mirrored disk and there is no point of seting up those path.
Currently there is an alternate path set, I dont know which is that disk, however as lvlnboot/lvdisplay doesnt show anything it is useless.
3. How to go about the problem now.
choose a freedisk and mirror the root vg and set the alt path.
If you need more assistance ,
upload.
1. strings /etc/lvmtab
2. ioscan -fnC disk
3. vgdisplay -v vg00
Regards,
Sooraj
So, the system doesnt have a mirrored root disk and no HA alternate bootpath.
1. Am I correct?
Yes you dont have the boot disk mirrored.
2. Need help on HA alternate and alternate bootpaths.
HA alternate and Alternate boot path is nothing but from where you can boot if there is a primary boot disk failure.
Currently you dont have a mirrored disk and there is no point of seting up those path.
Currently there is an alternate path set, I dont know which is that disk, however as lvlnboot/lvdisplay doesnt show anything it is useless.
3. How to go about the problem now.
choose a freedisk and mirror the root vg and set the alt path.
If you need more assistance ,
upload.
1. strings /etc/lvmtab
2. ioscan -fnC disk
3. vgdisplay -v vg00
Regards,
Sooraj
"UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity" - Dennis Ritchie
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