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Part of the problem has been a dearth of controllers that can provide RAID functionality without ,arvell a performance bottleneck that eliminates the advantages of NVMe.
The Marvell 88NR has relatively small port and lane counts compared the large fan-out PCIe switches used in many servers, and Marvell’s switch is not aimed at entirely replacing those large switches. HansHook hans-hook wrote on Marvell 88SS Block Diagram. The following patch solves the problem of the 88SE controller not being recognized by the kernel:. I have this question too.
Posted December 11, Drives using this dual-chip controller solution will appear to the host system as a single NVMe device and the host system will not have to implement its own software RAID-0 as required by products like the Intel P that are essentially two separate SSDs sharing one circuit board.
Marvell Launches New SSD Controllers And RAID-Capable NVMe Switch
This helped me too. Patches patch for latest kernel but applicable almost to saa 3. Our commitment to the environment Lenovo is committed to environmental leadership from operations to product design and recycling solutions. Performance from the 88SS controller will be a bit higher than the 88SS but the PCIe link will be a significant bottleneck at high queue depths.
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Maarten – I am not sure what problem you are attempting to address. Posted February 9, The patch I should have included in this bug report is:.
Linux Kernel Driver DataBase: CONFIG_SCSI_MVSAS: Marvell 88SE SAS/SATA support
Posted March 24, Posted January 4, This bug is missing marveell files that will aid in diagnosing the problem. If it is software then they would need to release an update driver that fixed the issue So looks like we’re waiting for the 4. Sign up now Username Password Remember Me. Posted March 23, Log in Don’t have an account?
12 Gb/s I/O Controllers
Storage Processors A flexible, efficient and reliable alternative supporting multiple applications, topologies and use cases. Message 7 of 7.
Posted March 7, From a terminal window please run:. Posted September 19, To contact Marvell Sales, please submit your inquiry via request for information below.
Posted January 29, Comment on this change optional. Saw something about pci-phantom but I think that was a completely different issue. Only one of the two controller chips connects to the host system so drives based around the 88SS solution will still be limited contriller a PCIe 3 x4 interface or dual-port PCIe 3 x2.
Message 3 of 7.