Re: ext3 + external journal -- Howto..

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On Wednesday September 3, bhkwan@xxxxxxxxxxxxxxxx wrote:
> I am new to ext3 + external journal.  Is there any howto I can look at? 
> 
> 
> this is what I understand 
> 1. mke2fs -O journal_dev /dev/md5 
> 2. mke2fs -J device=/dev/md5 /dev/md0 
> 3. mount /dev/md0 / -t ext3   ( hmm.. what do I need to put on fstab?? ) 

This is all correct.

> 
> /dev/md5 is a two drive RAID 1 partition 
> /dev/md0 is a 4 drive RAID 5 partition. 
> 
> questions: 
> 1. I am running RedHat 9.0.  what extra software I need to use?  do I need 
> to patch the kernel and recompile it? 

None. No.

> 2. what do I need to do on fstab when I use ext3 + external journal. 

The same as if there wasn't an external journal.

> 3. do I need to run "tune2fs -i 0 -c 0 /dev/hdb1 ? 

You would want "/dev/md0" rather than "/dev/hdb1", but this might be a
good idea if you never wanted and automatic fsck.

> 4. do I need to modify LILO bootloader? 

No.

NeilBrown


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