[Linux-cluster] cannot detect SAN disk in RHEL6.1

[Shanti Pahari]

Multipathd is running

And when I try /sbin/multipath -v0  it didn't show anything but when lsmod
|grep dm then I saw dm-multipath here.

But still cannot detect.

 

[root at PDC-PIC-PL-01 ~]# /sbin/multipath -v0

[root at PDC-PIC-PL-01 ~]# modprobe dm-multipath

[root at PDC-PIC-PL-01 ~]# /sbin/multipath -v0

[root at PDC-PIC-PL-01 ~]# lsmod |grep dm

dm_mirror              14067  0 

dm_region_hash         12136  1 dm_mirror

dm_log                 10120  2 dm_mirror,dm_region_hash

dm_round_robin          2651  6 

dm_multipath           18266  4 dm_round_robin

dm_mod                 75539  16 dm_mirror,dm_log,dm_multipath

[root at PDC-PIC-PL-01 ~]# service multipathd status

multipathd (pid  1567) is running...

[root at PDC-PIC-PL-01 ~]#

 

From: Ben .T.George [mailto:bentech4you at gmail.com] 
Sent: Saturday, 13 October, 2012 4:57 AM
To: shanti.pahari at sierra.sg
Subject: Re: [Linux-cluster] cannot detect SAN disk in RHEL6.1

 

HI

 

check multipath demon is running or not..also check dm-multipath kernel
module is loaded or not

 

 

regards,

Ben

 

On Fri, Oct 12, 2012 at 10:47 PM, Shanti Pahari <shanti.pahari at sierra.sg>
wrote:

Hi ,

 

When I added FC external disk in RHEL 6.1 it didn't load in /dev/mapper .

After reboot also it didn't detect.

Any help ? 

Highly appreciated.

 

thanks


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