We have to make a modification to the PI boot command. It is different depending on which Linux image (Ubuntu or Raspbian) you’re using. This card is also marketed as the SI-PEX40139 and IO-PEX40139 Part Numbers. IO-PCE585-5I Specifications I also found a major issue, where if one of the drives were dying or dead, the NAS wouldn’t report it as dead, and it would bring the iSCSI target to a complete halt, resulting in days spending time finding out what’s going on, and then finally replacing the drive when you found out it was the issue.

So you want to add NVMe storage capability to your HPE Proliant DL360p Gen8 (or other Proliant Gen8 server) and don’t know where to start? Well, I was in the same situation until recently. However, after much research, a little bit of spending, I now have 8TB of NVMe storage in my HPE DL360p Gen8 Server thanks to the IOCREST IO-PEX40152. For power I disconnected the DVD-ROM (who uses those anyways, right?), and connected the LP5 splitter and the LP5 to 6pin power adapter. I finally hooked it up to the card.Make sure before installing the heatsink cover that you remove the blue plastic film on the heat transfer material between NVME and heatsink, and the PEX chip and heatsink. First log in to the DSM web interface, and configure your NIC adapters in the Control Panel. As mentioned above, only configure the default gateway on one of your adapters. It’s now time to configure the sharing protocols that will be used. As mentioned before, I plan on deploying iSCSI, NFS, and Windows File Shares (SMB/Samba). iSCSI and NFS Configuration

You now have an SD Card Linux install for your Raspberry Pi. We will later modify and then copy this to the NFS root and boot SD card. Create boot SD Card for NFS Root DISCLAIMER: If you attempt what I did in this post, you are doing it at your own risk. I won’t be held liable for any damages or issues. NVMe Storage Server – Use Cases

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Run the following commands to change directory to the startup script, and open a text editor to create a startup script. cd /usr/local/etc/rc.d/ Using the dataset I created earlier, I configured a Windows Share, user accounts, and tested accessing it. Works perfect! Connecting the host Traditional drives typically used 512k physical sector sizes. Newer hard drives and SSDs use 4k sectors, but often emulate 512k logical sectors (called 512e) for compatibility. SSD’s specifically sometimes ship with 512e to increase compatibility with operating systems and the ability to clone your old drive to the new SSD during migrations. Using compression and deduplication may also reduce the writes to your SSD vdevs, prolonging the lifetime and reducing the cost of maintaining the solution. ZFS ZIL and SLOG

NFS provides a cleaner mechanism, as the FreeNAS handles the unmount of the base filesystem cleanly on shutdown and to the ESXi hosts it appears as an NFS disconnect. If VMs are not running (and no I/O is occuring) when the FreeNAS instance is shut down, data loss is not a concern. iSCSI MPIO (Multipath I/O) I plan on running like this for a little while to continue to test the stability of the environment before making more changes and expanding the configuration and usage. Future Plans (and Configuration)After spending forever trying to tweak and optimize, I found that NFS was best for the Synology NAS unit of mine. What’s this new NFS v4.1 thing?