Re: Installing FC5 on pre-partitioned /dev/hdb

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On Monday 03 April 2006 13:40, Craig White wrote:
>On Mon, 2006-04-03 at 13:19 -0400, Gene Heskett wrote:
>> On Monday 03 April 2006 12:19, Sjoerd Mullender wrote:
>> >Sjoerd Mullender wrote:
>> >> Gene Heskett wrote:
>> >>> I was under the impression (and no idea where I heard/read that
>> >>> now) that any partitions marked 0 0 on the end of the fstab line
>> >>> were mounted in 'single' mode.  Is this not the case?  I haven't
>> >>> used single with this FC2 install ever, no need to so far, so I
>> >>> don't know, but I'll find out the next time I reboot to it.
>> >>
>> >> Those numbers are the dump frequency and dump pass number, i.e.
>> >> unused by nearly everyone nowadays.  They were there way back
>> >> (nearly 30 years ago) when they were actually used, but since
>> >> hardly anybody uses dump/restore anymore to make backups, those
>> >> fields are not used anymore. See the descriptions of fs_freq and
>> >> fs_passno in the manual page for fstab(5).
>> >>
>> >> (If you look at the manual for dump (if you have it installed),
>> >> you can see that dump uses dump levels.  A dump at level n will
>> >> dump everything that changed since the last level m (m <= n)
>> >> dump.  The pass number specifies which partitions can be dumped
>> >> at the same time, first all partitions with pass number 0, then
>> >> all with pass number 1, etc.)
>> >
>> >Oops.  The level is for fsck (file system check), not dump.  It's
>> > been a while.
>>
>> I was thinking I'd recalled it in that context.  Its not well
>> clarified in the manpages IMP.
>
>----
>man fstab...
>
>The fifth field, (fs_freq), is used for these filesystems by the
> dump(8) command to determine which filesystems need to be dumped. If 
> the  fifth field  is  not  present,  a value of zero is returned and
> dump will assume that the filesystem does not need to be dumped.
>
>The sixth field, (fs_passno), is used by the fsck(8) program to
>determine the order in which filesystem checks are done at  reboot
> time. The  root  filesystem  should  be  specified  with  a 
> fs_passno of 1, and other filesystems should have a fs_passno of 2.
> Filesystems within a drive will be checked sequentially, but
> filesystems on different drives will be checked at the same  time  to
> utilize  parallelism  available in the hardware.  If the sixth field
> is not present or zero, a value of zero is returned and fsck will
> assume that the filesystem does not need to be checked.
>
>Seems clear enough but you can write a patch for the man page if you
> can explain it better.
>
>Craig

Humm, its been several years since I looked at that, and it appears 
someone has beat me to it, thats plenty clear enough to me now.

Thanks.

-- 
Cheers, Gene
People having trouble with vz bouncing email to me should add the word
'online' between the 'verizon', and the dot which bypasses vz's
stupid bounce rules.  I do use spamassassin too. :-)
Yahoo.com and AOL/TW attorneys please note, additions to the above
message by Gene Heskett are:
Copyright 2006 by Maurice Eugene Heskett, all rights reserved.


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