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тАО11-26-2008 10:14 AM
тАО11-26-2008 10:14 AM
LUNS not getting visible
I have configured a rx2660 server and presented LUNS to it from EVA4400. The OS installed is 11i v2.
When the system is shutdowned and then powered on, all the LUNS are visible and everything is fine...
Now when i reboot the system, the LUNS disappears...
1. When I do
# vgdisplay -v vg01
vgdisplay: Volume group not activated.
vgdisplay: Cannot display volume group "vg01".
2. When I do
# vgchange -a y vg01
vgchange: Warning: Couldn't attach to the volume group physical volume "/dev/dsk/c4t0d1":
The path of the physical volume refers to a device that does not
exist, or is not configured into the kernel.
vgchange: The path of the physical volume refers to a device that does not
exist, or is not configured into the kernel.
vgchange: Warning: couldn't query physical volume "/dev/dsk/c4t0d1":
The specified path does not correspond to physical volume attached to
this volume group
vgchange: Warning: couldn't query physical volume "/dev/dsk/c6t0d1":
The specified path does not correspond to physical volume attached to
this volume group
vgchange: Warning: couldn't query all of the physical volumes.
vgchange: Couldn't activate volume group "vg01":
Quorum not present, or some physical volume(s) are missing.
3. But when I do
# ioscan -fnCdisk
It shows all physical volume as CLAIMED
... and then ALLOWS me to ACTIVATE Volume Group "vg01"
The file /etc/lvmtab also looks fine...
Can ne1 help me out with this problem. Its urgent...
Regards,
Rajiv
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тАО11-26-2008 11:02 AM
тАО11-26-2008 11:02 AM
Re: LUNS not getting visible
Check if there are any disk or fiber related patches for the server that will make the server discover the LUNs quicker.
Also after the server has booted, try
"ioscan -fnkC disk" (note the "-k") a few times to see what the status of the LUNs is without forcing a rescan of the FC bus. Maybe the LUNs eventually become CLAIMED.
If all else fails, you can add an ioscan and vgchange towards the end of the boot process in /sbin/init.d, /sbin/rc3.d sequence just for these LUNs and VG.
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тАО11-26-2008 11:44 AM
тАО11-26-2008 11:44 AM
Re: LUNS not getting visible
Thanks 4 d reply...
I hav noticed that when i do
# ioscan -funCdisk
it DOES NOT CLAIM the disk...
but when i do
# ioscan -fnCdisk
it claims the disk...
Can u tell me more abt the script on rc3.d...
Cos tht ll b my last option
Thanks,
Rajiv
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тАО11-26-2008 12:23 PM
тАО11-26-2008 12:23 PM
Re: LUNS not getting visible
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тАО12-09-2008 01:03 AM
тАО12-09-2008 01:03 AM
Re: LUNS not getting visible
The problem has been resolved...
The main culprit was the FC card... replaced it and it worked fine...
Thanks again...