The other thing to keep in mind is that the reserved blocks are reserved
for root, which means that if its a filesystem primarily written to by
root, the reserve does no good because root can fill it 100% anyway.

Kevin

-----Original Message-----
From: rhelv5-list-bounces@redhat.com
[mailto: rhelv5-list-bounces@redhat.com] On Behalf Of Zavodsky, Daniel
(GE Money)
Sent: Thursday, January 03, 2008 11:56 PM
To: Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list
Subject: RE: [rhelv5-list] about ext3 tunable parameters
(mount-countandreserved blocks)

Hello,
       I am disabling forced e2fsck on ext3 file systems everywhere. As
to reserved blocks percentage, 5% is the default so there is no need to
specify this option if you want this setting. I would suggest lowering
this value on big file systems (on one TB FS you get 50 GB less this
way... which is not negligible) - you always have to ask yourself "What
will happen if the space on this file system runs out?". For example on
/var you would use slightly more reserved blocks and on /home you could
disable the feature entirely.

Regards,
       Daniel

-----Original Message-----
From: rhelv5-list-bounces@redhat.com
[mailto:rhelv5-list-bounces@redhat.com] On Behalf Of Simon Jolle
"sjolle"
Sent: Thursday, January 03, 2008 7:06 PM
To: rhelv5-list@redhat.com
Subject: [rhelv5-list] about ext3 tunable parameters (mount-count
andreserved blocks)

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Hash: SHA1

Hi Red Hat Users

We modify the following ext3 file system parameters:

- - reserved-blocks-percentage = 5%
- - never e2fsck at x mount-counts

Whats the risk associated with this settings? Is this a good idea?

cheers
Simon
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