[rhelv6-list] sar
Cale Fairchild
cfairchild at brocku.ca
Wed Mar 5 12:17:27 UTC 2014
I looked at the systems this morning and it keeps HISTORY + 1 (the
current day) files active so if the preceding month has 28 days it will
not clear the old months logs. Strangely I had one system set to 26 and
one to 27 and it seems that even the server with 27 days was still
wrapping so there might even be something to do with timing around 00:00
that needs an additional extra day of clearance tacked on to it. This
may constitute a bug as it is not mentioned in the man pages as expected
behaviour. The issue about using 28 days I think was just a
misunderstanding of how the program handles the log rotation.
Cale
On 05/03/2014 04:41, Iain Morrison wrote:
> Hi Cale,
> thanks. That explains why things started going weird after Feb.
>
> yours
>
> iain
>
>
> --
>
> Iain Morrison
> IT Manager
> MRC Epidemiology Unit
> Institute of Metabolic Science
> Box 285
> Addenbrooke's Hospital
> Hills Road
> Cambridge
> CB2 0QQ
> Tel 01223 769200
>
> -----Original Message-----
> From: rhelv6-list-bounces at redhat.com
> [mailto:rhelv6-list-bounces at redhat.com] On Behalf Of Cale Fairchild
> Sent: 05 March 2014 02:29
> To: rhelv6-list at redhat.com
> Subject: Re: [rhelv6-list] sar
>
> From what I can see, it appears that in the last release of sysstat
> (sysstat-9.0.4-22.el6) they changed the values in /etc/sysconfig/sysstat
>
> which direct how much history is kept in /var/log/sa. The main issues
> appears to be that they changed HISTORY=7 to HISTORY=28 which should
> theoretically work on most months but seems to have wrapped around even
> in January which should not have been the case as at least the sa1-sa3
> should have disappeared.
>
> Cale Fairchild
>
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