Questions tagged [pci-express]
PCI Express (Peripheral Component Interconnect Express)
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Dell R630 supported PCIe to NVMe (m.2) adapter and drive?
I can't seem to find any information anywhere about supported PCIe to NVMe (m.2) adapter and a brand of drive that will also work.
I am aware third party adapters and drives tend to work with various ...
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Does any PCIe slot support NVMe SSD's automatically or do I need a specific M.2 slot?
I have been trying to dissect the information I find with googling, but have come to the conclusion that I cannot find with certainty the answer to the following questions:
Given you know the basics ...
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SSD Software-Raid-0 Ubuntu not as fast as expected
I have an MB ASRock B650 Phantom with two SSD 1TB Samsung 990 PRO m.2 PCIe 4 drives. I set them up in a software Raid-0 with lukscrypt on Ubuntu. The SSD should reach 7.450 MB/s reading, in my naivety ...
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How to view I/O bridge in linux?
My laptop lenovo legion r7000 2020 env (with amd r7 4800h cpu):
$ uname -a
Linux CzgArch 6.3.8-arch1-1 #1 SMP PREEMPT_DYNAMIC Wed, 14 Jun 2023 20:10:31 +0000 x86_64 GNU/Linux
Recently when I searched ...
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What is purpose of backup-power-connectors on 826701-B21 (Riser Card)?
What is the purpose of the connectors marked with 2 on the HP DL380's Riser card?
Is it something for backing up power shocks on the PCI controller connected to the port?
and if it is, then where I ...
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Does exist SFF-8087 adapters to PCIe?
I've found a few adapters from SFF-8642/8639/8611 to PCI express.
Is it possible to do the same with a SFF-8087? Either directly or adapting to an intermediate format and then to PCI express?
I have a ...
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Dell Poweredge R620 PCIe Training error what to do?
After the startup, the server show the "PCIe Training error :Integrated RAID"
And then "PCIe express error interrupt at F000:B891"
My thought is that the controller raid is broken
Any help?
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whats the difference between 1lane and 2lane with SATA-3 speeds? [closed]
I read the beauty of PCIe is that a designer can combine two, four, eight or sixteen of PCIe lanes into a single data port.
2.5 Gb/s PCIe×1
5 Gb/s PCIe×2
I have two sata 3 drives that I want to ...
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Does interface bandwidth and/or interface type (SATA/NVME) affect IO and Random 4KB RW performance
TLDR: The advertised IOPS of NVME drives is leaps above any SATA SSDs, but how much of this is due to limitations of the:
Interface (SATA/NVME)
Interface Bandwidth (PCIE Gen 4, Gen 3, SATA 3, SATA 2)
...
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How to check PCI type and version of free PCI slot in Linux shell
I know how to check how many PCI slots are not used yet on my server, by using dmidecode and looking for Available slots:
# dmidecode
[...]
Handle 0x0014, DMI type 9, 13 bytes
System Slot Information
...
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0
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how can I list all static builtin drivers in kernel, such as pcieport and pciehp?
with lspci I can see things like:
Slot: 00:02.0
Class: PCI bridge [0604]
Vendor: Red Hat, Inc. [1b36]
Device: QEMU PCIe Root port [000c]
Driver: pcieport
In dmesg I can see pcieport 0000:00:02.0: ...
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Hardware RAID array using PCIe based storage? (M.2 / U.2 / full PCIe slot)
Is there currently a mechanism for constructing a hardware RAID array using storage devices that have a full-size PCIe slot, PCIe M.2, or PCIe U.2 bus interface, such as SSDs?
It is extremely ...
CommunityBot
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Why do internal <> external SAS expanders require a PCIe slot?
I have seen examples of home-brew NAS units that use SAS expanders plugged into a host motherboard that has neither a CPU or memory, literally for the purpose of powering the card. If the card doesn't ...
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40Gbit/s RAID10 - on a single raid adapter is it possible?
I need an ultrafast backups restore for my solution.
I am going to use two hosts: operating server and backup server.
Both servers will be connected directly via 40Gbe PCIe 4.0 8x ethernet adapters so ...
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PCIe - Training error on device - Link degraded, macLinkWidth = x16, negotiatedLinkWidth = x8
i've placed a pcie raid adapter card with onboard ssd's (AORUS RAID ADAPTOR built in with 4 x PCIe 3.0 512GB NVMe SSD) in a new (2020) Dell (Optiplex 7080).
the system boots fine most times, but it ...
CommunityBot
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1
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Intel S2600JF server: Processor PCIe Link Speed menu in the BIOS is missing
i have a Intel 4 node server with S2600 JF motherboard per node (older, DDR3 RAM, E5-2600 v1 and v2).
I want to insert a NVMe pcie card (with two drives) that requires bifurcation.
Based on the ...
3
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2
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USB 3.0 Card for HP Proliant DL360 G7 and G8
HP's Proliant DL360 G7 and G8 have USB 2.0 compatible ports. Does anyone have any experience upgrading their G7/G8 Proliant running Windows Server 2K8 or 2K12 with one of the available PCIe cards ...
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Map PCIe slot number (or BDF) to device number or vice versa
Is there any way to know the drive number from BDF or slot number of a PCIe or vice versa?
Suppose I have four PCIe drives attached to my system. And I know their BDF's, I want to know each of the ...
CommunityBot
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Unexpected shutdown of Server (BSOD) with message “WHEA_UNCORRECTABLE_ERROR”
When we checked the system event log we found that following warning has been logged repeatedly.
Event 17
A corrected hardware error has occurred.
Component: PCI Express Root Port
Error Source: ...
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How to extend 1U / 2U servers with multiple 2 slot full height GPUs for sharing? [closed]
What are the possible options to extend a 1U / 2U server with a GPU?
e.g. I am searching for a solution how to add a GTX 1650 into the server. The GPU is usually 2 slots width and therefore often not ...
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dell poweredge pcie training error, what to do?
After telling the server to reboot, it is now displaying an “PCle training error: Internal Storage Slot” Then the next line was “System Halted!”. It will not boot.
Recently a failed scsi hot swap ...
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Dell t430 very loud fan noise with pcie ssd
I have new server Dell t430 2 xenon e5-2640v3 64gb ram, 2x 1TB samsung evo 850 ssd and 2x Intel PCIE p3500 400gb ssd. When I installed Intel PCIe ssd server fan ramp up to 80% and is very loud. I ...
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Tesla K80 not showing up in HP DL580 G7
I have a HP Proliant DL580 G7 server with P65 BIOS update from 2015 (which I think is the latest BIOS).
I installed the PCIe expansion board in it and installed 4 x Tesla K80 GPUs. Connected them to ...
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AMD Optane alternative
I want to have an Optane features with my Ryzen build: high TBW and high I/O. Disk space irrelevant (like MEMPEK1W064GA, 64GB would be enough for me). And it would be nice if I can utilize the full ...
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How much PCI-E bandwidth can my SAS HDD array make use of?
Note: This question is real-world, but to analyse it, please note I've begun from a "theoretical" starting point of device and bus capability, which I acknowledge will not usually be at all ...
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HP Proliant DL380 G7 compatible with Kingston SKC1000H/960G PCIe SSD NVME?
Can anyone confirm if they've successfully installed and operated the Kingston SKC1000H/960G PCIe SSD NVME card in an HP ProLiant DL380 G7 Server? If so, is it just plug-and-play? Does the extra ...
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C602 Chipset and PCIe Gen3
I've been working recently on a Supermicro X9QR7-TF+/X9QRi-F+ server. I took the user's manual and saw two things: the chipset is Intel C602, and the expansion slots are PCIe 3.0.
According to Intel'...
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add M.2 NVMe enablement kit to HP DL360gen9
I have a HP DL360gen9 8sff
Applications running on the machine are saturating the current disks, all Intel Enterprise SSD disks.
I would like to add M.2 NVMe drives but I can't figure out which ...
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Poweredge R710 USB 3.0 pcie card boot drive
Is it at all possible to boot the R710 from a pcie USB 3.0 card to have that as the boot up drive? And if thats possible which riser does it need to be installed in? Riser 1 or riser 2?
Reason for me ...
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PCIe x8 NIC in PCIe x16 slot
I have a motherboard with only one x16 PCIe slot and no x8 slots. I am buying a NIC with very specific configuration, but it is available for x8 slots only. Can I plug a x8 card in a x16 slot? I have ...
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Will a NVMe<>PCIe gen3 x4 (physical x16) Adapter use x8 of PCIe gen2?
I've found a couple of x16 nvme adapters like those:
https://www.amazon.de/dp/B07VV9DYTL/ref=sr_1_2_sspa
https://www.amazon.de/dp/B07RWCGP1S/ref=sr_1_8
So as a follow up to my earlier question PCIe ...
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PCIe gen3 x4 card in PCIe gen2 x8 slot - full performance possible?
To my understanding, a gen3 x4 slot is equal to a gen2 x8 slot in terms of speed.
I assume that by default a gen3 card can not get full speed, because the gen3 card is only x4 physically, and ...
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Configure single LTO tape drive over Fiber Channel HBA
How do you set up a single tape storage drive over an FC HBA? As far as I can tell, these things are not "plug and play". The tape drive I bought is an lto-5 FC taken from a tape library.
I have ...
CommunityBot
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OCZ Revodrive 350 srs interrupts
We built some servers running Windows Server 2016 out of some "spare" parts with the following specs:
Supermicro X10DRH-iT
Dual E5-2620 v3
256GB Registered ECC DDR4 RAM
1x Adaptec 71685 RAID ...
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Servers with 24 NVMe drives - read throughput [duplicate]
We would like to buy some servers and we are looking into DELL server with 24 NVMe drives (like R740xd2 - 2 socket server) since we need very high read IOPS and throughput. We are however wondering ...
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How to boot M2 Pci express Card HP Gen8 Dl360P
I recently purchased the HP GEN8 DL360P server. I wanted to install an operating system to use M2 with a pci express card on this server. However, the server does not start boot with the pci card. ...
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HP ProLiant DL380 G6 GPU installation
I have a Proliant DL380 G6 and I want to build a Graphics card into it. To be specific, it is a GTX 960 from Asus. The card When I now want to build it in, I am pretty shure I need a pcie slot riser, ...
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Does Dell PowerEdge R720(xd) support PCIe Bifurcation?
I want to add a bunch of SSDs to my PowerEdge R720xd, and the highest-density way to do that seems to be a card like this Dell Ultra-Speed Drive Quad NVMe M.2 PCIe x16 Card.
However, the specs on ...
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Possible to use SAS-2 and SAS-3 HBA in the same system?
I'm wondering if it is possible to use a SAS-2 HBA in a "SAS-3" system.
I have a Supermicro X11DPH-T and have attempted to install an LSI 9201-16e. From what I understood (which may be wrong), a ...
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PCI-E lane speed vs NIC throughput
I am curious about NIC troughput vs PCIE slot speed.
I have found Mellanox MHQH19B-XTR which claims to be 40 Gbps PCI-E 2.0 x8 cards.
However, this slot limit seems to be theoretical ~ 31 Gbps.
So, ...
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PCI-Express hierarchical architecture -- where is the weakest node
I'm wondering about the fact, that PCI architecture is hierarchical. Therefore, even if I have two PCIx4 slots, it's possible that I will not be able to fully utilize it, because the slots will ...
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Internal HDD keep being dropped
I own a server on which I run flexraid and since a couple of weeks, I get the issue that whenever the server is doing some heavy operations on the RAID, one or more harddrives get dropped.
In order ...
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How Infiniband manages to have 100Gbit/s
How Infiniband manages to get a speed of 100Gbit/s. The PCIE x16 has maximum speed of 32Gbit/s. For example, NVidia DGX-1 station has 4 such ports. How is this possible?
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HP DL180 G6 Storage Edition (14x LFF) - Help Adding NIC ports
I have a whole bunch of these (18+) currently running. The DL180 G6 has 2x NIC ports both of which we are using, and one 16x PCI-e slot on a riser, in our case, occupied by a RAID card (mostly P410s)....
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Manually executing option roms (PCIe SATA storage card)
I have an older Dell server, a Poweredge 2900 II, and I would like to use it with large HDDs (> 8 TB). For this, an expansion card is needed, since the motherboard nor the PERC RAID controller can ...
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PCI Express Ethernet Switch : what's the point?
How is this kind of card used ?
Is it used to make a computer used as a real switch ?
Or does it just bring 4 NICs ?
I want to use a server as router (need 4 NICs) can I use this card ?
Are the ...
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2
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PCIe SATA III RAID controller card Linux setup
I recently added a StarTech 4 port PCIe SATA card to a Linux server. The card is connected via SFF-8087 to a Norco 4224 backplane and 4 new hard drives that I'd like to configure into a new software ...
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How to get PCI Tx/Rx byte counters?
I know how to read statistics about the configured network interfaces, for example via cat /proc/net/dev.
Is there a way to read similar byte counters of PCI or PCIe traffic?
Apparently, according ...
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PCIe: Why pciehp gives contradictory log info
I am running fio jobs on my NVMe SSD and hotplug it then. The platform is hot-pluggable and the system is Centos 7.0.Several seconds after my plug-out, the system encounters a crash and gives these ...
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2
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PCIe 3.0 downgraded to 2.0 speed
I have a dual Xeon board with Intel C602 chipset and two E5-2670 CPUs. The board comes with five PCIe 3.0 x16 slots and a PCIe 3.0 x4 slot; all of which are directly connected to the CPUs.
I added a ...
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