fsck.ext3: no such file or directory while trying to open /dev/mapper

[Zinky]

What does:

multipath -ll

show?

Also -- what does pvscan show?

I think your device mapper config is most likely screwy if your multi-path devices do not come up.

[Zinky]

Oh PowerPath...
Check your Powerpath environment too... Make sure your server still see them EMC disks...

inquire (inq) tool you have?

[Gerardo Arceri]

With Powerpath installed, you will get exactly these errors if you don't use the _netdev option on fstab, since at the moment vgscan is run during startup PowerPath emcpowerxxx devices are not available, after powerpath is started it runs vgscan once again , that's why you need the _netdev option in fstab.

[Gerardo Arceri]

For further reference, from the PowerPath Admin Guide:


Excerpt from Admin Guide below:

The _netdev option in /etc/fstab
For RHEL 5, 5.1, 5.2, and 5.3, PowerPath devices should be mounted with the _netdev option instead of the defaults option in the /etc/fstab file. This will ensure that fsck is run later in the boot sequence.

http://www.emc.com/microsites/clariion-support/pdf/300-008-345.pdf

"The _netdev option in /etc/fstab. For RHEL 5, 5.1, 5.2, and 5.3, PowerPath devices should be mounted with the _netdev option instead of the defaults option"


Regards!

[Zinky]

I don;t think he is using EMC -- I thought those emc devcies above were Ravi's.

/dev/dm-NN as PVs for VGs is indicative he is using non PowerPath diskies.

He is likely having problems with his multipath configuration.

SO he needs to check:
- HBA driver settings if things changed.
- /etc/multpath.conf (what does multipath -ll show?)
- his VGs are likely on a RHCS cluster

[Gerardo Arceri]

He stated he's using PowerPath, PowerPath is an EMC Product, i think he will be good if he follows these instructions.

[Ravi S. Banda]

we're not using EMC. it is an EVA.


Since I'm using Remote Desktop => ILO2 connection, I had to take a screenshot for the multipath -ll

Please see attached.

I attached the screenshot for 'mount -a' command which gives the same error about special device not existing at the end of the document.

Thanks!
Ravi.

[Zinky]

Bingo!

Please send:

/etc/multipath.conf
complete output of "multipath -ll"
pvscan
/etc/fstab


Are you aware what RH version? (5.0, 5.2. 5.4?) and If you have the HP DM software instaled?

And are you sure this machine is not part of a CLuster where the VGs are likely activatedimportant somewhere?

[Ravi S. Banda]

complete output of "multipath -ll"
Ravi: previously attached Doc2.docx - that was the best I could do with copy & paste of screenshots from RDP->ILO2 connection.

/etc/multipath.conf
Ravi: attached multipath_conf and PVSCAN Results.docx file.

pvscan results:
Ravi: Attached multipath_conf and PVSCAN Results.docx file.

/etc/fstab results:
Ravi: attached fstab_uname_results.docx file.

Are you aware what RH version? (5.0, 5.2. 5.4?) and If you have the HP DM software instaled?
Ravi: attached fstab_uname_results.docx file contains uname -a results. Release 5 update 4.

And are you sure this machine is not part of a CLuster where the VGs are likely activatedimportant somewhere?
Ravi: I am not 100% sure. It is possible, I guess.

Thanks!

[Ravi S. Banda]

fstab_uname_results.docx