[juneau-lug] Re: Recent power outage problems

  • From: <bdk@xxxxxxxxxxxxxx>
  • To: <juneau-lug@xxxxxxxxxxxxx>
  • Date: Fri, 23 May 2003 20:30:02 -0400 (EDT)

What are the advantages/disadvantages of journaling? ext3?

It seemd that w/ every boot a different partician would be read-only. My
'/tmp' and '/usr' are both on their own particians. My read-only problem
has seemd to of cleared up. If converting it to a journaling ext file
system will prevent this in the future, I'll do it.

Thanks.

-sean


> On Thu, 22 May 2003, Myron Davis wrote:
>
>> Hi bdk!
>>
>> I've seen the following problems:
>>
>> if you're running ext2 and it boots up the system and is running and
>> suddenly finds a problem with the disk drive it will immediately
>> remount the drive read-only.
>>
>> I don't know if this is what problem you had; but it could be.
>>
>> -Myron
>>
>
> If you find the remount-ro in your fstab, and you are running ext2 and a
> 2.4 kernel, you can switch over to an ext3 filesystem in a couple of
> minutes.
>
> As root, run `tune2fs -J [filesystem]` on your partitions, and you'll
> magically have a journaling ext3 filesystem. There is one gotcha -
> because ext3 is backwards compatible with ext2, you need to specify ext3
> in your fstab. Otherwise the filesystem is mounted as an ext2 system.
>
> I use ext3 a lot, and don't have any troubles with the occasional power
> outage. (However I don't use mySQL much either - just to play with.)
> ext3 is also nice as tools such as boot floppies or rescue CDs that
> don't know about ext3 will see your file system as a normal ext2 system.
>
> Cheers,
>
> James
>
>
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