Redhat linux 5.9 very slow right after installtion on HP DL380 G4
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Redhat linux 5.9 very slow right after installtion on HP DL380 G4
Hi,
I've just installed Redhat Linux 5.9 on an HP ProLiant DL380 G4 server.The server has 4x15k 72GB disks configured as RAID 1+0, 2 CPUs and 6GB RAM. The installation went fine but just after it's fist start the server seems to be very slow. Everything is slow, for example opening a new terminal takes several minutes. I've tried to reboot with no luck. Don't know what could be wrong??!!
Hi,
I've just installed Redhat Linux 5.9 on an HP ProLiant DL380 G4 server.The server has 4x15k 72GB disks configured as RAID 1+0, 2 CPUs and 6GB RAM. The installation went fine but just after it's fist start the server seems to be very slow. Everything is slow, for example opening a new terminal takes several minutes. I've tried to reboot with no luck. Don't know what could be wrong??!!
Best Regards,
Mohammad Alomari
In my opinion, you should stop right where you are. You have JUST loaded RHEL 5.9? The version that's very old, and going to be TOTALLY UNSUPPORTED very soon, even with a paid-for, extended service contract? Why???? The latest RHEL is 7.0...if you're paying for Red Hat, and this is a new installation, then load the latest version. If you DON'T plan on paying for RHEL, then load CentOS 7.0.
RHEL without a support contract, is pointless. You WILL NOT get bugfixes, patches, updates, or security fixes...your server will be insecure and unstable from day one. And, if you're self-supporting your server, CentOS is 99.x% IDENTICAL to RHEL, but free. Load the latest versions of things, since patches/updates may have fixed whatever problems you're having already. At the very least, it will make things MUCH easier to fix. If you ARE paying RHEL for support, then you need to call them.
Hardware raid or software raid on top of a hardware raid?
Enough ram? Enough swap? Can even create swap raid.
Some of those scsi drives don't like a cache settings as I recall. They have an internal cache and don't like any other caching.
I too agree that you should consider up to date server choice such as Centos, Scientific or OpenSuse/Suse. Debian or a BSD may prove useful too. Some folks like Ubuntu LTS.
Thanks all for you replies but,
1- It's not related to network because the slowness is there regardless connected locally or remotely to the server. anyway, IPV6 is disabled.
When you say "connected locally", do you mean over the local NETWORK, or it's even slow on the console?
Quote:
2- My server is old G4. That's why i can't use a higher version. In the future the server and the redhat release will be upgraded.
Sorry, that's wrong...you can easily use the new RHEL on that server, and again, are you PAYING FOR RHEL???? If you're not, you are probably missing patches/updates that may alleviate your problem. Contact Red Hat support, and they can run a trace and analyze it for you to help. If you're NOT paying, then there may be nothing you can do, short of installing CentOS instead (which is 99.x% IDENTICAL to RHEL, but free).
Quote:
3- The RAID i'm using is hardware only; no software RAID configured. the server has 6GB RAM and 6GB Swap available.
Uhh....6GB of swap???? That may be your problem right there. There is NO need for such a large swap partition...at most, I'd put 2GB, and even that would be too large, in my opinion. I'd probably go for 1GB.
Reduce the size of your swap partition...since this is obviously a new installation (I don't think you've lived with it being slow for years now, have you???), either pay for the latest version of RHEL, or load the new version of CentOS, and adjust things accordingly.
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