[rhn-users] RHEL5 Ram and Disk Partiton
Samer Azmy
samer.azmy at gmail.com
Wed Oct 17 19:01:06 UTC 2007
I agree with you Frank, but if we are talking about Standard and
recommendations I will follow Redhat
Regards
Samer Azmy
On 10/17/07, Lamon, Frank III <Frank_LaMon at csx.com> wrote:
>
> Do not waste disk space with 64GB of swap! If you are using 64GB of swap
> you need to buy more RAM. Depending on the app the use of swap could
> absolutely kill your performance or even app stability (think Oracle).
> 8-16GB of swap would be more than enough.
>
>
> -----Original Message-----
> From: rhn-users-bounces at redhat.com on behalf of Samer Azmy
> Sent: Wed 10/17/2007 2:41 PM
> To: Discussions about Red Hat Network (rhn.redhat.com)
> Subject: Re: [rhn-users] RHEL5 Ram and Disk Partiton
>
> Gentlemen,
>
> for the Size of the SWAP it should be double the RAM
> Quoted from Redhat site
> "A swap partition (at least 32MB) - swap partitions are used to support
> virtual memory. In other words, data is written to a swap partition when
> there is not enough RAM to store the data your system is processing. The
> size of your swap partition should be equal to twice your computer's RAM,
> or
> 32MB, whichever amount is larger."
>
> Reference Link :
>
> http://www.redhat.com/docs/manuals/linux/RHL-9-Manual/install-guide/s1-diskpartitioning.html
>
> Kind Regards
> Samer Azmy
>
> On 10/17/07, Florez, Nestor <NFlorez at sdcwa.org> wrote:
> >
> > Thanks :-)
> >
> >
> >
> > -----Original Message-----
> > From: rhn-users-bounces at redhat.com on behalf of Kyle Wilcox
> > Sent: Wed 10/17/2007 10:59 AM
> > To: Discussions about Red Hat Network (rhn.redhat.com)
> > Subject: Re: [rhn-users] RHEL5 Ram and Disk Partiton
> >
> > A few of our RAID5 configurations, old and new, for your consideration:
> >
> > Size Used Free %
> > Mount point
> > /dev/sda1 190M 89M 92M 50% /boot
> > /dev/mapper/vg0-lv0 4.9G 1.7G 3.0G 37% /
> > /dev/mapper/vg0-lv1 2.9G 1.8G 1.1G 63% /home
> > /dev/mapper/vg0-lv5 2.9G 271M 2.5G 10% /opt
> > /dev/mapper/vg0-lv2 2.0G 301M 1.6G 16% /tmp
> > /dev/mapper/vg0-lv3 7.7G 4.6G 2.8G 63% /usr
> > /dev/mapper/vg0-lv4 5.8G 2.4G 3.2G 43% /var
> > /dev/mapper/vg0-lv6 522G 109G 387G 22% /work
> >
> > Size Used Free %
> > Mount point
> > /dev/sda1 99M 17M 78M 18% /boot
> > /dev/mapper/vg0-lv0 5.7G 3.2G 2.3G 59% /
> > /dev/mapper/vg0-lv2 19G 1.4G 17G 8% /home
> > /dev/mapper/vg0-lv6 3.8G 72M 3.6G 2% /opt
> > /dev/mapper/vg0-lv3 9.5G 151M 8.9G 2% /tmp
> > /dev/mapper/vg0-lv4 19G 3.1G 15G 17% /usr
> > /dev/mapper/vg0-lv5 9.5G 3.2G 5.9G 36% /var
> > /dev/mapper/vg0-lv7 472G 223M 447G 1% /work
> >
> > Size Used Free
> > % Mount point
> > /dev/sda6 1012M 406M 555M 43% /
> > /dev/sda2 99M 36M 59M 38% /boot
> > /dev/sda5 29G 22G 6.3G 78% /home
> > /dev/sda7 1012M 33M 928M 4% /tmp
> > /dev/sda9 8.2G 4.0G 3.8G 52% /usr
> > /dev/sda10 494M 303M 166M 65% /var
> > /dev/sda3 385G 283G 83G 78% /work
> >
> >
> > Florez, Nestor wrote:
> > > Swap has to be (ram + 2) if greater than 2 Gig
> > >
> > > I am glad REHL5 can handle 32 gigs of ram
> > >
> > > I will be using Raid 5 with 5 300 Gig hard drives.
> > > My question is more of what is recommended
> > > for /, /var, /usr/local originally.
> > >
> > >
> > > Thanks,
> > >
> > > Nestor :-)
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: rhn-users-bounces at redhat.com on behalf of Tiago Cruz
> > > Sent: Wed 10/17/2007 9:54 AM
> > > To: Discussions about Red Hat Network (rhn.redhat.com)
> > > Subject: Re: [rhn-users] RHEL5 Ram and Disk Partiton
> > >
> > > 64 GB do Swap is spend of disk.
> > >
> > > 1 GB or 2 GB it's a good number for 99,9% of situations.
> > >
> > >
> > > On Wed, 2007-10-17 at 18:49 +0200, Samer Azmy wrote:
> > >> Yes , It does support 32G of RAM
> > >>
> > >> the partitions size are up to u and ur applications just make the
> SWAP
> > >> double the RAM
> > >> you may make a big var or opt
> > >>
> > >>
> > >> On 10/17/07, Florez, Nestor <NFlorez at sdcwa.org> wrote:
> > >> Can RHEL 5 handle 32 Gig of RAM?
> > >>
> > >>
> > >> Recommendation on partiton sizes for a 300 Gig Hard Drive?
> > >>
> > >> Thanks,
> > >>
> > >> Nestor :-)
> > >>
> > >>
> > >>
> > >> _______________________________________________
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> > >>
> > >>
> > >>
> > >> --
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> > --
> >
> > Kyle Wilcox
> > NOAA Chesapeake Bay Office
> > 410 Severn Avenue
> > Suite 107A
> > Annapolis, MD 21403
> > office: (410) 295-3151
> > Kyle.Wilcox at noaa.gov
> >
> > "It is from the wellspring of our despair and the places
> > that we are broken that we come to repair the world."
> > - Murray Waas
> >
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>
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> You pick the level of your suffering yourself - Budha-
> -Live Free or Die-
>
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