What is HP Smart cache?
HP SmartCache is a controller-based caching solution in a DAS environment that caches the most frequently accessed data (“hot” data) onto lower latency high performing SSDs to dynamically accelerate application workloads.
How do I enable Smart cache?
To enable SmartCache:
- Open HPE SSA.
- Open the Configure panel by doing one of the following:
- Select Cache Manager from the Tools menu.
- Click Enable HPE SmartCache in the Actions menu.
- Select one or more physical drives from the list of available drives.
- Click OK.
What is HP SSD smart path?
HP SSD Smart Path and the normal I/O path are both active simultaneously. The Smart Array device driver coordinates with the Smart Array firmware for keeping an up-to-date map of the disk and volume layout. With this map, reqeusts are checked and qualified to bypass the Smart Array firmware and use the Smart Path.
How does Smart cache work?
Smart Cache shares the actual cache memory between the cores of a multi-core processor. In comparison to a dedicated per-core cache, the overall cache miss rate decreases when not all cores need equal parts of the cache space.
How do I enable a failed logical drive in ACU?
Logical Drive can be re-enabled in following ways: 1. Boot Server with SmartStart CD, open ACU, and re-enable logical drive. 2. Get into BIOS while booting the server, choose the Logical Drive and press F1 to re-enable the logical drive.
What is physical drive write cache state?
Physical disk write cache policy feature enables the disk to cache the data first, and then the cached data is written to the storage device in the background.
How do I disable Smart SSD?
Boot into the BIOS and look for a menu titled “Hardware”, “Hard disk” or something similar, and any option in it that references “S.M.A.R.T.”. Highlight the “S.M.A.R.T” option and set it to “Disabled” or “Off”.
What is SSD over provisioning optimization?
“SSD Over Provisioning Optimization – Is a new feature that optimizes Solid State Devices by deallocating all used blocks before any data is written to the drive. The optimization process is performed when the first logical drive in an array is created, and when a physical drive is used to replace a failed drive.
Is Smart cache better?
Results show the energy-delay of the Smart cache is on average 14% better than state-of-the-art cache reconfiguration architectures. We then leverage the flexibility provided by our cache to dynamically reconfigure the hierarchy as a program runs.
How do I recover a failed logical drive?
Re: Recovery of logical drive failed Take complete data backup and system state backup. Delete the logical drive and recreate the logical drive and reinstall the operating system. and restore the data. This should solve your problem.
How do I enable failed logical drive?
What does HP ProLiant Gen8 smart array controller do?
HP ProLiant Gen8 Smart Array Controllers improve your storage utilization and performance while delivering the scalability, reliability, and accessibility you require. Adding HP Secure Encryption helps you deal with data privacy challenges.
How to set cache ratio in Hewlett Packard Enterprise?
Select the ‘Cache Manager’ menu and then click the ‘Cache Settings’ link Now we can configure the cache including the ratio of cache storage to be used for reading and write requests Based on the IO pattern of these servers you can decide to set a ratio of 70% or 80% for reads and 30% or 20% for writes.
What are the benefits of a HP Smart array?
Modular HP Smart Array solutions provide scalability and offer significant benefits that can help you make better use of your storage environment. HP Secure Encryption is a simple, secure, key-based local and remote encryption solution that protects data at rest. 1 432 TB is derived using the P822 controller
Where is RAID configuration stored in HP Smart array?
As others have mentioned, the RAID configuration is usually stored on the drives as well as in the controller. I have very little experience with HP controllers, but This Manual for HP Smart Array configuration may help. Was this post helpful?