> Things may have changed from when we wrote the Distributions Redbook, but at
> that time, Reiserfs was not endian-safe.  That is probably still true for
> 2.2 kernels (Alan Cox?) but I note that Red Hat's distribution has it as an
> option for their 2.4-based distribution.
>
> Creating a Reiser or ext3 file system involves issuing the mkfs command.  By
> definition, that will clobber your data.  One of the advantages of the ext3
> file system is that it can be _mounted_ as an ext2 file system, once it's
> been created.  This is handy if you have any tools that seem to choke on
> ext3.  I haven't been hearing anything from anyone screaming about losing
> their data on Linux/390 by using the journaling file systems.  I would love
> to hear about both successes and failures, if anyone has any to report.
>


One of the advantages of ext3 is that you can covert from ext2 to ext3 without
unloading/reloading.

read up on tune2fs for more.

The RH installer (at least anaconda) can do it as part of the upgrade process.


> Mark Post
>
> -----Original Message-----
> From: Philip J. Tully [mailto:[EMAIL PROTECTED]]
> Sent: Friday, April 26, 2002 3:20 PM
> To: [EMAIL PROTECTED]
> Subject: Process to move to a jfs on an existing system
>
>
> Hello all,
>
> We are reviewing our options on using a journalized file system. My
> initial concern is how do we move from ext2 to either ext3 or Reiserfs?
> Does the data on the filesystem  get erased during the conversion (I
> know I back everything up but I need to allocate time)?
>
> Are there known incompatibilities on linux/390?
>
> We are using SLES7.
>
> Regards,
> Philip J. Tully
> Manager
> z/VM and Linux/Z support
> 212.647.3208
>

--
Cheers
John Summerfield

Microsoft's most solid OS: http://www.geocities.com/rcwoolley/

Note: mail delivered to me is deemed to be intended for me, for my disposition.

==============================
If you don't like being told you're wrong,
        be right!

Reply via email to