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Idefix44 Level 8 Posts: 138 Joined: Sat Oct 26, 2013 2:13 pm Support Support Team Posts: 3723 Joined: Sun Dec 21, 2008 2:42 am Re: [2023-04-07] PrimoCache 4.3.0 for Win10/11 released! Post by Support » Mon Jul 17, 2023 5:38 am idefix44 wrote: ↑Wed Jul 12, 2023 10:50 amUsing PrimoCache with:1- Windows XP Service Pack 3 x862- Windows 7 X64Can I download and use the 4.3.0 version for XP?The current 4.3.0 release doesn't include the support for XP. We plan to add XP support when the version for 7/8/8.1 is ready. Support Support Team Posts: 3723 Joined: Sun Dec 21, 2008 2:42 am Re: [2023-04-07] PrimoCache 4.3.0 for Win10/11 released! Post by Support » Mon Aug 07, 2023 3:58 pm Despite a big change in Microsoft's driver signing policy, we are finally able to get PrimoCache to support all Windows operating systems, even including Windows Vista & Server 2008. The latest installer can be downloaded from our downloads page. Please refresh the page if you do not see the latest content.

With user profile redirection and assumes an exclusive access by the single user. Good discussion on CC is here. nothing that could help you but it would be nice in the future some FSLogix features/concepts available in PrimoCache. For example: Accelerating and improving resiliency of VHD file access. GoldenSun3DS Level 3 Posts: 15 Joined: Wed Mar 09, 2022 9:52 pm Re: Network Drive Support Post by GoldenSun3DS » Mon Mar 14, 2022 1:03 am Support wrote: ↑Fri Nov 22, 2019 4:57 amPrinciples in network drives are completely different that in local drives. They are two things. So far PrimoCache can only support local drives.Can you elaborate on why this isn't allowed? Is it a technical limitation, or is it an arbitrary decision to block it because you think it might not be a good experience using a network drive as a hard drive? If it's the latter, isn't that the user's choice to make?I was testing an idea of installing Steam games to a Google Drive and using an SSD to cache the Google Drive, but Primocache won't let you cache network drives. The reason I want to try is because of cloud PCs having limited or expensive storage space, but cloud storage like Google Drive is relatively cheap.With cloud PCs like ShadowPC having very fast download speeds (1000mbps download and 100mbps upload in the case of ShadowPC) and deferred writes as an option, it might be viable to use Google Drive to store Steam games. The most used files would be cached, and the less often used files would be fine to go at lower speeds. At least that's my theory, but I can't test it out because Primocache won't let me cache network drives. Support Support Team Posts: 3722 Joined: Sun Dec 21, 2008 2:42 am Re: Network Drive Support Post by Support » Tue Mar 15, 2022 3:38 am GoldenSun3DS wrote: ↑Mon Mar 14, 2022 1:03 amCan you elaborate on why this isn't allowed? Is it a technical limitation, or is it an arbitrary decision to block it because you think it might not be a good experience using a network drive as a hard drive? If it's the latter, isn't that the user's choice to make?It's a technical limitation. PrimoCache is built based on local drives and it is not able to intercept read/write requests on network mapped drives. GoldenSun3DS Level 3 Posts: 15 Joined: Wed

Support Support Team Posts: 3723 Joined: Sun Dec 21, 2008 2:42 am [2021-12-31] PrimoCache 4.2.0 released! Greetings everyone,We are pleased to announce the release of PrimoCache 4.2.0. The full list of changes is available in the changelog page. The packages can be downloaded from our downloads page.We also published a Pro edition for users who needs to setup L2 cache greater than 2TB, or numa-aware while running in Windows desktop systems. For the list of differences among these editions, please check the edition comparison page. The development team thanks everyone who gave us bug reports, suggestions or feedback!If you have any questions or comments, we'll be happy to address them here.- The Romex Software Team Shoonay Level 4 Posts: 21 Joined: Tue Apr 07, 2020 6:53 am Babel17 Level 5 Posts: 53 Joined: Tue Nov 03, 2015 3:41 pm geneo Level 4 Posts: 27 Joined: Sat Oct 31, 2015 5:19 pm supercilious Level 3 Posts: 16 Joined: Sat Oct 11, 2014 10:22 am Re: [2021-12-31] PrimoCache 4.2.0 released! Post by supercilious » Mon Jan 03, 2022 9:20 pm I tested an earlier version of PrimoCache on Windows Server 2019 and it caused ReFS filesytems on Mirrored or Parity Storage spaces to be unable to self-heal or repair bit-rot corruption. Can you please confirm whether that problem has been fixed in the new version?Also, is it possible to cache the underlying physical drives rather than the logical disks created by storage spaces? Support Support Team Posts: 3723 Joined: Sun Dec 21, 2008 2:42 am Re: [2021-12-31] PrimoCache 4.2.0 released! Post by Support » Tue Jan 04, 2022 2:22 am supercilious wrote: ↑Mon Jan 03, 2022 9:20 pmCan you please confirm whether that problem has been fixed in the new version?I'm sorry but Refs issues are still not addressed. We will try to fix it in the next release.supercilious wrote: ↑Mon Jan 03, 2022 9:20 pmis it possible to cache the underlying physical drives rather than the logical disks created by storage spaces?Only logical disks are supported in PrimoCache. Support Support Team Posts: 3723 Joined: Sun Dec 21, 2008 2:42 am Re: [2021-12-31] PrimoCache 4.2.0 released! Post by Support » Fri Jan 14, 2022 7:13 am Daniel290881 wrote: ↑Fri Jan 07, 2022 4:17 pmWhat is meant with "windows core isolation" ?Core isolation is a security feature of Microsoft Windows that protects important core processes of Windows from malicious software by isolating them in memory, introduced since Windows 10.

Csm10495 Level 1 Posts: 1 Joined: Thu Nov 21, 2019 4:15 am Network Drive Support Is there a possibility for some sort of network drive support? If not, is there a technical reason it is not supported? ... Does it have to do with the possibility of another system modifying the contents of the network share? Support Support Team Posts: 3722 Joined: Sun Dec 21, 2008 2:42 am Re: Network Drive Support Post by Support » Fri Nov 22, 2019 4:57 am Principles in network drives are completely different that in local drives. They are two things. So far PrimoCache can only support local drives. cichy45 Level 4 Posts: 38 Joined: Sun Oct 14, 2018 3:34 pm Re: Network Drive Support Post by cichy45 » Fri Nov 22, 2019 9:24 am You can install PrimoCache on PC where you have your shared disks. I have my network drive accelerated with primocache this way. PrimoCache is installed simply not on remote client, but on "server" (normal PC in my case).As long as it is a windows machine obviously. horizon Level 5 Posts: 49 Joined: Wed Jun 03, 2009 9:05 am Re: Network Drive Support Post by horizon » Fri Nov 22, 2019 10:18 am Sorry for stepping in but can you elaborate on your use case?A few comments in the meantime: On the client machine (while accessing fileshares): You might be interested in Windows Transparrent cache feature, which relies on Client Side Cache (CSC): On the client machine (while accessing fileshares): You might want to prefill CSC using Offline Files feature and use them in Online Mode: On the client machine (while accessing fileshares): In corporate environments, you might want to leverage CSC also by using Branchcache feature: Of course, if you store CSC on Primocache-accelerated volume, it helps a little bit. Of course, if the data needs to be fetched over the network and they are stored on server on Primocache-accelerated volume, it might help a bit as well. Be aware that there are plenty of limitations, with no (easy) solution. (e.g. CSC does accelerate writes, if you (with offline files) end up in offline mode, you might also end up with the need to solve synchronization conflicts.)Another product dealing with caching while accessing network reads (not only to UNC but also to Azure blobs) is CloudCache feature of FSLogix product. It's however a very special case as it's dealing

LawrenceLee Level 3 Posts: 14 Joined: Sat Nov 02, 2019 1:50 am Looking for some guidance on configuring PrimoCache All, Just getting started using this excellent software. However I'm a bit puzzled as to how to configure it. Here's my system.i7 3770K32GB RAM250GB SSD booting windows 10500GB SSD with 110GB Windows 7 partition => 356GB free to use as a cache space4TB RAID1 WD Red data drive system.Here are my questions:1. Should I set up a single task for my boot SSD and my RAID1 4TB hard disk?2. How much space should I set up as L2 Cache Space for my 4TB RAID1 data drive system?Currently I am using a single task with 4GB of RAM allocated as L1 cache, and 64GB of my SSD allocated as L2 cache. This configuration yields good performance and leaves me with 16GB of RAM free. Primocache is using a total of 9GB with included overhead with 4KB cluster size.Monitoring my L2 cache usage over many boots, over many days the "Free Cache (L2)" parameter reports 56GB. I have to wonder if my 64GB of SSD space is really necessary then.3. Does that mean that only about 8GB is being used by the program? My motherboard natively can use Intel's rapid storage technology to accelerate my hard drive as well, with up to 64 GB of my free SSD space. It seems dangerous to me to use to catching programs simultaneously.4. Could I use RST Caching and PrimoCache together safely?What are your thoughts about how to this set up? Attachments PrimoCache.JPG (153.14 KiB) Viewed 7859 times Last edited by LawrenceLee on Mon Nov 25, 2019 2:05 am, edited 1 time in total. uBlast Level 2 Posts: 9 Joined: Fri Aug 31, 2018 1:15 pm Re: Looking for some guidance on configuring PrimoCache Post by uBlast » Wed Nov 06, 2019 4:58 am I have some questions about my setup as well. Posted already on these foruns asking for guidance but had no response. The support unfortunately lacks a little bit. Despite of that PrimoCache is still a nice piece of software. Support Support Team Posts: 3723 Joined: Sun Dec 21, 2008 2:42 am Re: Looking for some guidance on configuring PrimoCache Post by Support » Wed Nov 06, 2019 4:13 pm I'm sorry for the late reply because recently we are kind of busy. LawrenceLee wrote: ↑Sat Nov 02, 2019 3:10 am1. Should I

Set up a single task for my boot SSD and my RAID1 4TB hard disk?It's up to your goal. Cache content in a cache task is independent of, that is not affected by, each other. This means that if you use separate cache tasks, drive access activities in a cache task will not affect the cache content or trigger cache replacement algorithm in other cache tasks. The shortage is that you have to assign cache space for each task and you may not have enough L1/L2 resource. If you use one cache task for all drives, you may assign a large cache space and let PrimoCache automatically schedule the cache space for each drive based on their access activities. The shortage is that when cache space is full, access activities in one drive may push out old cached data for another drive. I think for simplicity you may just use a single cache task.LawrenceLee wrote: ↑Sat Nov 02, 2019 3:10 am2. How much space should I set up as L2 Cache Space for my 4TB RAID1 data drive system? It depends on how much hot-data (frequently accessed) will be accessed from the HDD drive. Generally speaking, larger cache size, better performance. You may have known that when cache space is full of cached data, PrimoCache has to discard some old cached data to release space for caching new data. So if cache space is too small, PrimoCache might do the data replacement frequently, affecting the performance.LawrenceLee wrote: ↑Sat Nov 02, 2019 3:10 am3. Does that mean that only about 8GB is being used by the program?Currently it is.LawrenceLee wrote: ↑Sat Nov 02, 2019 3:10 am4. Could I use RST Caching and PrimoCache together safely?No need to run both.LawrenceLee wrote: ↑Sat Nov 02, 2019 3:10 amWhat are your thoughts about how to this set up?In your setting, 4KB block size causes about 5GB memory overhead which is quite a waste. Small block size brings huge memory overhead. I think you may increase block size to reduce memory overhead and give these memory to level-1 cache. LawrenceLee Level 3 Posts: 14 Joined: Sat Nov 02, 2019 1:50 am Re: Looking for some guidance on configuring PrimoCache Post by LawrenceLee » Fri Nov 08, 2019 6:59 am Support,That was very helpful. Based on your recommendation I decided to go to a 16K block size and 8GB of memory for my L1 Cache. This