[sclug] Writing files to 2 places at once?

[Damion Yates]

On Fri, 3 Mar 2006, Sapan Ganguly wrote:

> I have a good question.  First of all here is my situation, I have a
> RHEL3 machine running Oracle, the server is low on disk space (but
> not critical yet) so I've attached a disk array to it.  I've set
> myself the task of moving the Oracle datafiles (about 90 files 2.0Gb
> or more each) to the new disk array without any down time...or maybe
> a small amount of down time, certainly no more than 1 hour.

It should be possible to make the existing filesystem the 1st half of
a mirror with possibly just a few seconds downtime.  Once it's back up
you can attach the storage array and it'll sync.  Once synced you can
detach the 1st half and ext2online/resize2fs the filesystem larger.

[snipped rest]

Thanks,

Damion

-- 
Damion Yates - email: Damion.Yates at bbc.co.uk - phone: +44 (0) 1628 407759
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