Installing FC5 on pre-partitioned /dev/hdb

[Gene Heskett]

On Monday 03 April 2006 14:01, Craig White wrote:
>On Mon, 2006-04-03 at 13:53 -0400, Gene Heskett wrote:
>> 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.
>
>----
>evidently almost 7 years (2 kernels ago)
>
>the date of the man page in the footer states...
>
>Linux 2.2                        15 June 1999
>FSTAB(5)
>
>Craig

Well, TBT, the last time I looked at it was about rh5.0 or so, 2.0 
kernel days.  I need to find time for more reading I guess...

-- 
Cheers, Gene
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Copyright 2006 by Maurice Eugene Heskett, all rights reserved.