Using gjournal + gmirror on 7.0-RELEASE-p1 (amd64) server

Ashish Shukla आशीष शुक्ल wahjava.ml at gmail.com
Wed Jun 18 03:14:56 UTC 2008


>>>>> "Manolis" == Manolis Kiagias <sonic2000gr at gmail.com> writes:
    Manolis> Ashish Shukla आशीष शुक्ल wrote:

[snip]

    >> And, if I go for gjournal, since I've an existing filesystem, I've to
    >> create a separate gjournal slice, so is it okay to create that gjournal
    >> slice on a non-gmirror backed storage, hmm...?

    Manolis> You should keep in mind that the space required for the journal
    Manolis> depends on the usage load and not the size of the data provider. In
    Manolis> other words, if you are using the default 1Gb journal size on your
    Manolis> desktop, it may not be enough for a busy server.

Okay.

    Manolis> I've used gjournal+gmirror on a machine - not anything really heavy
    Manolis> loaded, but it has given me no problems. I first created the journals,
    Manolis> and the gmirror-ed the entire disk.  It works as you should expect. I
    Manolis> have not tried creating the journal on a non-mirrored storage. I
    Manolis> suppose this would work too, but I have no idea how safe it would be.

I'll also opt for journal on mirrored storage, which is the same
storage device as data provider.

Thanks for the reply
-- 
Ashish Shukla आशीष शुक्ल                      http://wahjava.wordpress.com/
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