Continuing our series LVM2 plus cache device:
single hard disk with a SSD device
SSD cache device to a hard disk drive using LVM, which uses SSD drive as a cache device to a single hard drive. Mirror LVM2 device with a SSD device for cache –
SSD cache device to a software raid using LVM2 – software mirror across two devices with an additional SSD cache device over the mirror.
And now we show you how to do software RAID5 with SSD cache nvme using LVM2.
Caching RAID5 consisting of three 8T hard drives with a single 1T NVME SSD drive. Caching reads, i.e. the write-through is enabled ().
1 NVME SSD disk Samsung 1T. It will be used for
writethrough cache device (you may use writeback, too, you do not care for the data if the cache device fails)! 3 Hard disk drive 8T grouped in RAID5 for redundancy.
Keep on reading!
Here is howto article for creating a RAID5 device in
MegaRAID SAS-9361-4i with SSD caching. First and really important thing is to have the CacheCade ability to the controller, which should be purchased because it is a software add-on.
To have an SSD caching your virtual raid drive (probably hard disk drives) with a MegaRAID controller one setup is the following:
LSI LSI00415 MegaRAID 9361-4i SGL
And it is advisable to have Cache Protection to protect your setup (it is extra protection to the battery kit – it is not the same) –
LSI LSI00418 LSICVM02.
You can check also our
AVAGO MegaRaid SAS 9361-4i with CacheCade and CacheVault BIOS configuration utilities review.
Here are the steps to create a RAID5 device with
SSD caching using the BIOS Configuration Utility: STEP 1) Supermicro device initialization
Start up your server
Keep on reading!