Re: Addendum: RE: partitions
- From: <ptusing@xxxxxxxxxxxxx>
- To: <jfw@xxxxxxxxxxxxx>
- Date: Tue, 24 May 2005 21:08:07 -0500
Hi,
If the second drives tored the ghosted other hard drive, would you put your
swap file..virtual memory on the least used drive, e. g., the drive holding
theghosted images?
Thanks.
----- Original Message -----
From: "David Truong" <bnfiles@xxxxxxxxxxxxxxx>
To: <jfw@xxxxxxxxxxxxx>
Sent: Tuesday, May 24, 2005 8:38 PM
Subject: Addendum: RE: partitions
> Hi,
>
> Another thing I wanted to ad, if you do happen to have two or more drives
> which are comparable to each other in speed then you should plan to put
> your
> swap file / virtual memory on the drive which you deem to be accessed the
> least. This should give you a little bit more of an edge in performance.
> So in other words, if one of those drives comparable to the other drives
> in
> speed does not get accessed much by your computing environment then you
> can
> put your virtual memory / swap file on that drive.
>
>
>
>
> David Truong
>
> E-mail and MS messenger: davidtruong@xxxxxxxxxxxxxxx
>
> Skype: blindboxer1967
>
> Home Page: http://members.optusnet.com.au/davidtruong/
> -----Original Message-----
> From: jfw-bounce@xxxxxxxxxxxxx [mailto:jfw-bounce@xxxxxxxxxxxxx] On Behalf
> Of Keith Gillard
> Sent: Wednesday, May 25, 2005 10:58 AM
> To: jfw@xxxxxxxxxxxxx
> Subject: Re: partitions
>
> Hi David,
>
> excellent info.
>
> I have a gig of ram on a 0 raid array with three partitions.
>
> I also have a P4 with HT technology socket 775, and one MB of cash.
>
> So, leaving my virtual memory at 1.5 times the 1 MB of ram, and leaving it
> all on the C drive should give me plenty of breathing room right?
>
> Cheers...Keith
>
> ----- Original Message -----
> From: "David Truong" <bnfiles@xxxxxxxxxxxxxxx>
> To: <jfw@xxxxxxxxxxxxx>
> Sent: Tuesday, May 24, 2005 5:45 PM
> Subject: RE: partitions
>
>
>> Hi,
>>
>> Actually you can divide how much virtual memory to use by configuring =
>> your
>> virtual memory to be placed on multiple drives. In simple terms this =
>> means
>> that if you were going to configure windows to use 1.5 GB of disk space =
>> for
>> your virtual memory, you could divide this 1.5 GB over 2 or 3 drives if
>> desired. I personally believe that one should configure their virtual
>> memory to use one drive and that drive should be the fastest drive they =
>> have
>> available to them. That is why Windows by default puts your virtual =
>> memory
>> on your C: drive. It's commonly recognised that one would prefer to =
>> have
>> their operating system installed on the quickest drive at ones =
>> disposal.
>>
>> Take a look at the below excerpt taken directly from the Windows XP =
>> help:
>>
>> *** Start of excerpt
>>
>> Managing computer memory
>>
>> When your computer is running low on
>> RAM
>> and more is needed immediately, Windows uses hard drive space to =
>> simulate
>> system RAM. This is known as
>> virtual memory,
>> and is often called the
>> paging file.
>> This is similar to the UNIX swapfile. The default size of the virtual =
>> memory
>> pagefile (named pagefile.sys) created during installation is 1.5 times =
>> the
>> amount of RAM on your computer.
>>
>> You can optimize virtual memory use by dividing the space between =
>> multiple
>> drives
>> and removing it from slower or heavily accessed drives. To best optimize
>> your virtual memory space, divide it among as many physical hard drives =
>> as
>> possible.
>> When selecting drives, keep the following guidelines in mind:
>> List of 3 items
>> =95=A0Try to avoid having a pagefile on the same drive as the system =
>> files.
>> =95=A0Avoid putting a pagefile on a fault-tolerant drive, such as a
>> mirrored volume
>> or a
>> RAID-5 volume.
>> Pagefiles don't need fault-tolerance, and some fault-tolerant systems =
>> suffer
>> from slow data writes because they write data to multiple locations.
>> =95=A0Don't place multiple pagefiles on different
>> partitions
>> on the same physical disk drive.
>> list end
>>
>> You can choose to optimize your computer's memory usage. If you use your
>> computer primarily as a workstation, rather than as a server, you can =
>> have
>> more
>> memory devoted to your programs. Your programs will work faster and your
>> system cache size will be the default size that came with Windows XP. =
>> You
>> can
>> also specify to set aside more computer memory for a larger system =
>> cache, If
>> your computer is used primarily as a server, or if you use programs that
>> require
>> a larger cache.
>>
>> *** End of excirpt
>>
>> David Truong
>>
>> E-mail and MS messenger: davidtruong@xxxxxxxxxxxxxxx
>>
>> Skype: blindboxer1967
>>
>> Home Page: http://members.optusnet.com.au/davidtruong/
>> -----Original Message-----
>> From: jfw-bounce@xxxxxxxxxxxxx [mailto:jfw-bounce@xxxxxxxxxxxxx] On =
>> Behalf
>> Of Sean McMahon
>> Sent: Thursday, May 19, 2005 3:02 AM
>> To: jfw@xxxxxxxxxxxxx
>> Subject: Re: partitions
>>
>> By default you have virtual memory on drive c because that's the default
>> =
>> on
>> windows. You can change where that memory is. I don't know what the =
>> rules
>> are
>> on creating partitions for virtual memory once your system has been
>> partitioned
>> and is in use, but I don't see why you couldn't move the virtual memory =
>> over
>> to
>> one of your other drives if you desire and then specify a size. It =
>> makes
>> sense
>> to me that if you move virtual memory do another partition or drive, =
>> you'd
>> want
>> to specify the max size which will ensure both that you have enough swap
>> =
>> and
>> that this amount available is fixed. You can also specify the size of
>> virtual
>> memory and leave it on it's current drive. We're talking about things =
>> that
>> get
>> cleaned out once processes have stopped. I don't see how playing around
>> with it
>> can hurt. I'd try leaving virtual memory on drive c for now and =
>> specifying
>> its
>> size as twice the amount of ram you have. The way you have the current
>> setup, I
>> personally wouldn't put swap with my data or backup drive.
>> ----- Original Message -----=20
>> From: "Keith Gillard" <kgillard@xxxxxxx>
>> To: <jfw@xxxxxxxxxxxxx>
>> Sent: Tuesday, May 17, 2005 6:42 PM
>> Subject: Re: partitions
>>
>>
>> Hi Sean, I am a bit confused. Are you saying that you can assign a
>> partition solely for virtual memory?
>>
>> I HAVE MY DRIVE partitioned as follows:
>>
>> Local disk C, 40 gig
>> All system & program files
>> Local disk F, 200 gig
>> all data
>> backup G, 10 gig
>> image
>>
>> What should I consider doing different that would make jfw perform =
>> better?
>> Always looking for an edge...Keith
>>
>> ----- Original Message -----=20
>> From: "Sean McMahon" <smcmahon@xxxxxxxx>
>> To: <jfw@xxxxxxxxxxxxx>
>> Sent: Tuesday, May 17, 2005 5:07 PM
>> Subject: Re: partitions
>>
>>
>>> Under help menu, read about diskpart. This will split your computer =
>> into
>>> several partitions provided you've space to do so.For multi-user =
>> systems,
>>> splitting into partitions allows something to be stopped before =
>> gobbling
>>> up the
>>> whole space. If you have a system with more than one harddrive, this =
>> is
>>> the
>>> best kind of partitioning scheme to have, though one disk will allow =
>> you
>>> to do
>>> such a thing. How to partition depends on personal choice, obviously =
>> you
>>> don't
>>> want to make a frequently used partition which frequently grows to =
>> small.
>>> A
>>> common partition setup has one for windows and jaws, one for windows
>>> software
>>> you feel is less stable or which you can quickly wipeout and replace =
>> if
>>> necessary, and one partition for swap or virtual memory. Virtual =
>> memory
>>> is
>>> space on a harddrive that operating systems use to move things along =
>> when
>>> the
>>> ram is all used.In this 3 partition setup, your windows and jaws =
>> partition
>>> might
>>> include everything under the windows directory, your user profiles and
>>> specific
>>> settings under the documentsand settings folder, your jaws folders =
>> under
>>> c:\jaws
>>> or the freedomscientific directory under program =
>> files\freedomscientific.
>>> Your
>>> virtual memory partition might be equal to the amount of ram or double =
>> the
>>> ram
>>> of your computer, I don't know what MS recommends for swap space.
>>> Everything
>>> else can go into a third partition. You can have as many or few as =
>> you
>>> like.
>>> I'd look on the MS website to see what all the confusing terms in the
>>> diskpart
>>> help mean because they aren't explained there.
>>> hth
>>> ----- Original Message -----=20
>>> From: "Vy Pham" <thaovyngu@xxxxxxxxxxx>
>>> To: <jfw@xxxxxxxxxxxxx>
>>> Sent: Tuesday, May 17, 2005 2:01 PM
>>> Subject: partitions
>>>
>>>
>>> Hi,
>>> What kind of software can I use to divide my computer into different
>>> partitions
>>> that is also accessible with JAWS? I also wonder, is it a good idea =
>> for
>>> me to split my computer up like that? What are the advantages and the
>>> disadvantages of doing that? Can anyone tell me, please?
>>> Vy
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