Hard Disk Emulation and PrimoCache

Started by stenrulz

Hard Disk Emulation and PrimoCache   15 February 2014, 21:46

Hello,

The mount option for Hard Disk Emulation is not working with primo-cache. It sees the drive, formats it, but is unable to write any data to the drive. Checked a few different ram disk solutions besides soft perfect and they worked fine. What hard disk emulation is applied? SCSI, etc.

(I have not included the names of the other solutions as i am not 100% sure what the forum rules are for this)
SoftPerfect Support forum - Andrew avatar image

Re: Hard Disk Emulation and PrimoCache   19 February 2014, 13:44

It's fine to mention whatever products smile

What exactly are you trying to achieve? Use a RAM disk as a level-2 storage?

Re: Hard Disk Emulation is not working   19 February 2014, 14:07

Use level 2 ram disk only as this allows keeping history of most used bits and quick loads times even after a reboot. Do not care about the system load time just the performance once login.
SoftPerfect Support forum - Andrew avatar image

Re: Hard Disk Emulation is not working   23 February 2014, 11:07

It doesn't work indeed, but I guess I don't understand something about PrimoCache.

Why doesn't it use a RAM disk internally as an L2 storage?

Looks like it has to be physical medium.

Re: Hard Disk Emulation is not working   23 February 2014, 11:51

PrimoCache does support ram as a L1 cache but does not keep the data after a reboot, as they want quick start-up times. I do not care if it takes 5mins to start up only that it is fast after it is fully loaded. I tested a few other ram disks and they worked fine even Primo Ramdisk (VSuite Ramdisk II), using SCSI RAM disk.

Re: Hard Disk Emulation is not working   08 March 2014, 12:04

Hello Andrew,

Have you had time to look into why Hard Disk Emulation is not working completely with PrimoCache? What method does your emulation use SCSI?

Thank you.
SoftPerfect Support forum - Andrew avatar image

Re: Hard Disk Emulation and PrimoCache   22 March 2014, 19:16

Sorry, it's unclear with PrimoCache isn't working with our RAM Disk. It does not use SCSI emulation, so that may be the reason.

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