Hi all,

I am facing an issue,
vgs, pvs commands are hung on Red Hat Enterprise Linux Server release 6.3 (Santago).

we have Red Hat Enterprise Linux Server release 6.3 (Santago) in the lab, LUNS are presented from IBM-XIV array with multipathing,

LVM info:

LVM version: 2.02.95(2)-RHEL6 (2012-05-16)
Library version: 1.02.74-RHEL6 (2012-05-16)
Driver version: 4.22.6

Multipathing:

multipath-tools v0.4.9 (04/04, 2009)

Architecture:

Linux linx067.lss.emc.com 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux

Redhat release:

Red Hat Enterprise Linux Server release 6.3 (Santiago)

Please do the needful.

Thanks & Regards,
Sandeep Nadiger

No idea what "do the needful" means, but you are using RHEL 6 with an IBM SAN...the best people to call for problems would be Red Hat support, since you're PAYING for RHEL, right??? They can assist you with running an SOS report. Also, have you checked the HBA drivers, and are they installed correctly?? Having any problems from the SAN side? What do your SAN admins say?

You really need to call RHEL support first, then IBM Support second.

1 members found this post helpful.

"Do the needful"==troubleshoot this for me. Amusing.

pvs and vgs should return *something* if you have local disks. If you are booting from SAN, then check connectivity, check for RHEL 6.3-6.6 bugs in multipathing, and for new HBA drivers. RH Support would be most helpful. Open a case. Attach the poutput of 'sosreport -a'.

1 members found this post helpful.

LVM commands can hung for so much reasons ...

First of all you have to make correct "filter=" line in /etc/lvm/lvm.conf
It should include your rootvg device and multipath devices, not raw SCSI devices.
This part is good to have anyway, but not related to your hang.
LVM hangs on non responding device or daemon.

Check /var/log/messages to see real errors.
Running command with "-vvv" flag can help for analysis.

See mine HOWTO LUNs on Linux using native tools, probably will help.

1 members found this post helpful.

Thank you all for the help.