Bacula-users

Re: [Bacula-users] Fwd: 1TB raid5 performance

2008-11-04 21:44:38
Subject: Re: [Bacula-users] Fwd: 1TB raid5 performance
From: "Lukasz Szybalski" <szybalski AT gmail DOT com>
To: "Jeff Kalchik" <jkalchik AT frontiernet DOT net>
Date: Tue, 4 Nov 2008 20:42:18 -0600
On Tue, Nov 4, 2008 at 7:10 PM, Jeff Kalchik <jkalchik AT frontiernet DOT net> 
wrote:
>>> I'm talking about opening a terminal on local /home with few folders
>>> which have few hounded gb in them.
>>> I'm not connection to anything at that point. I'm talking about
>>> opening a nautilus browser and that takes 2 seconds.
>>> Not sure what ldap, windbind or nscd have to do with file system
>>> access time? The file system is a local and is accessed on a local
>>> machine.
>>>
>> They are about network user accounts and security. And if there are
>> problems with these long delays can occur. I assume you are not using
>> any of these.
>
> FWIW, I have a system here at home (openSuSE 11.0, Ultra160 disk shelf, 5
> 180gb disks in a RAID5 LUN under mdadm control.)  I don't see that sort of
> delay anywhere in the filesystems on that LUN.

Let me be more specific. I'm am looking for some commands that I could
do benchmarks, raid5 optimization, and I/O optimization on HDD/memory.

The system is busy, there is bacula at night, vmware running
windows2000 with a mail client on there, there is samba (but its not
used except for me). So  the machine is busy enough but I shouldn't
experience these delays. I think my cpu, memory and hdd speeds are
enough for twice the load.

So what commands can I use to figure out what is going on.
Luca

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