[kwlug-disc] SSD Drives/desktop
dscassel at gmail.com
Thu Oct 21 19:54:54 EDT 2010
I wish I had eSATA on my laptop. That way I could put a disk image
file on a spinning disk and see how that compares to the XP VM I've
got running on the SSD on the same machine.
Said VM *feels* faster than the enterprise workstation class machine
natively running Windows at work.
This is Windows we're talking about, after all. It *always* swaps.
You could give it 32GB RAM and it'll still swap to disk.
On Thu, Oct 21, 2010 at 7:41 PM, Lori Paniak
<ldpaniak at fourpisolutions.com> wrote:
> It is unlikely an SSD will increase the performance of your virtual
> machine. If the VM is starved for memory and is swapping, then
> performance will be abysmal whether you have an SSD or not as the
> virtual disk driver will be the bottleneck.
> There are a couple easy (inexpensive) things to check to increase VM
> 1) Is the VM running with a SATA/SCSI virtual disk? These virtual
> devices are much faster than legacy IDE devices.
> 2) How much RAM is assigned to the VM? For any version of Windows, this
> should be greater than 1GB. More for Win 7. Don't be afraid to give
> the VM more RAM.
> 3) Is hardware virtualization enabled in the host BIOS? It should be if
> your CPU supports it.
> The best way to speed up a VM is to host it on a machine with plenty of
> RAM and a 64-bit CPU than supports hardware virtualization. A 64-bit
> host OS helps too so that VMs can access as much memory as they need.
> On Thu, 2010-10-21 at 19:16 -0400, Insurance Squared Inc. wrote:
>> My wife complains that when we run windows inside virtualbox that it's
>> slow. I upgraded her ram to not much effect.
>> Does anyone have comments on upgrading to an SSD drive under linux?
>> Looks like 64gigs are now down around $150. Lots of chatter about boot
>> up times, but I don't care about that. Do they make that much
>> difference in speed for general work?
>> I've also read something about 'trim' which apparently linux doesn't
>> have - should one care?
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