Ocfs users - Jul 2005 - H(U): A few OCFS questions

Depends on the degree and openness of taint. ;)

I mean, rule-of-thumb is that if the issue is ocfs specific, we'll help.
However, if the issue is tainted kernel specific, then typically not.

1.0.14 requires U4 (-27) and will not install on -20. Use 1.0.13.

Any backup tool should use o_direct to read the files. If SQLBacktrack
does that, then it will work. Else, not.

YURIY.LEYZEROVSKIY@oracle.com wrote:
>OCFS Experts,
>
>Sorry if the questions below are naive, or were answered before, but here it
goes.
>
>I have a potential client who at the moment having problems installing 10g
RAC on RHEL 3.0 (2.4.21-20).
>They using (rather planning to use) OCFS for everything, including CRS files
(OCR, voting).
>
>Questions:
>
>1) They use custom kernel (modified by their security people).
>    Do we support OCFS on the tainted kernel?
>2) They plan to use SQLBacktrack to do backup of the database (corporate
standard).
>    Will SQLBacktrack able to read files on the OCFS?
>
>Thank you,
>
>Yuriy
>
>
>  
>

Docs, manpages, maybe.

One can use strace to see of the tool is using o_direct,
but kind of hard to tell if the tools is capable without
access to the code and/or documentation.

YURIY.LEYZEROVSKIY@ORACLE.COM wrote:
>Sunil,
>
>1)Do you know how to check whether SQLBacktrack, or any given tool, can do
O_DIRECT?
>
>2) Also if I undestand correctly, not only tool should be able to do
O_DIRECT, there also should be a way
>to tell the tool to use (like comand line option, for example). Is it
corect?
>
>Thank you,
>
>Yuriy
>  
>

Sunil,

1)Do you know how to check whether SQLBacktrack, or any given tool, can do
O_DIRECT?

2) Also if I undestand correctly, not only tool should be able to do O_DIRECT,
there also should be a way
to tell the tool to use (like comand line option, for example). Is it corect?

Thank you,

Yuriy
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Many thanks to all who answered!

One more question, if I may:

I found on OTN number of papers for OCFS, such as OCFS User Guide and OCFS Best
Practices for RHAS,
but they are rather old. 
Are there more current versions of these papers?
Any other papers to look up? Where?

Thank you again,

Yuriy
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OCFS Experts,

Sorry if the questions below are naive, or were answered before, but here it
goes.

I have a potential client who at the moment having problems installing 10g RAC
on RHEL 3.0 (2.4.21-20).
They using (rather planning to use) OCFS for everything, including CRS files
(OCR, voting).

Questions:

1) They use custom kernel (modified by their security people).
    Do we support OCFS on the tainted kernel?
2) They plan to use SQLBacktrack to do backup of the database (corporate
standard).
    Will SQLBacktrack able to read files on the OCFS?

Thank you,

Yuriy