2e2aba3927
This patch adds an example of how to define the RAID block device. Change-Id: Ibf902b9e96e359fce63b868c5361776b83718744 Signed-off-by: GangCao <gang.cao@intel.com> Reviewed-on: https://review.gerrithub.io/426854 Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
183 lines
6.3 KiB
Plaintext
183 lines
6.3 KiB
Plaintext
# NVMf Target Configuration File
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#
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# Please write all parameters using ASCII.
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# The parameter must be quoted if it includes whitespace.
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#
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# Configuration syntax:
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# Leading whitespace is ignored.
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# Lines starting with '#' are comments.
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# Lines ending with '\' are concatenated with the next line.
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# Bracketed ([]) names define sections
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[Global]
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# Tracepoint group mask for spdk trace buffers
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# Default: 0x0 (all tracepoint groups disabled)
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# Set to 0xFFFF to enable all tracepoint groups.
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#TpointGroupMask 0x0
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# PciBlacklist and PciWhitelist cannot be used at the same time
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#PciBlacklist 0000:01:00.0
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#PciBlacklist 0000:02:00.0
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#PciWhitelist 0000:03:00.0
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#PciWhitelist 0000:04:00.0
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# Users may activate entries in this section to override default values for
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# global parameters in the block device (bdev) subsystem.
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[Bdev]
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# Number of spdk_bdev_io structures allocated in the global bdev subsystem pool.
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#BdevIoPoolSize 65536
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# Maximum number of spdk_bdev_io structures to cache per thread.
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#BdevIoCacheSize 256
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# Users may change this section to create a different number or size of
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# malloc LUNs.
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# This will generate 8 LUNs with a malloc-allocated backend.
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# Each LUN will be size 64MB and these will be named
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# Malloc0 through Malloc7. Not all LUNs defined here are necessarily
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# used below.
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[Malloc]
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NumberOfLuns 8
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LunSizeInMB 64
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# Users must change this section to match the /dev/sdX devices to be
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# exported as iSCSI LUNs. The devices are accessed using Linux AIO.
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# The format is:
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# AIO <file name> <bdev name>
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# The file name is the backing device
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# The bdev name can be referenced from elsewhere in the configuration file.
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# Block size may be omitted to automatically detect the block size of a disk.
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[AIO]
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AIO /dev/sdb AIO0
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AIO /dev/sdc AIO1
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AIO /tmp/myfile AIO2 4096
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# PMDK libpmemblk-based block device
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[Pmem]
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# Syntax:
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# Blk <pmemblk pool file name> <bdev name>
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Blk /path/to/pmem-pool Pmem0
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# Define NVMf protocol global options
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[Nvmf]
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# Set the maximum number of submission and completion queues per session.
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# Setting this to '8', for example, allows for 8 submission and 8 completion queues
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# per session.
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MaxQueuesPerSession 4
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# Set the maximum number of outstanding I/O per queue.
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#MaxQueueDepth 128
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# Set the maximum in-capsule data size. Must be a multiple of 16.
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# 0 is a valid choice.
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#InCapsuleDataSize 4096
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# Set the maximum I/O size. Must be a multiple of 4096.
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#MaxIOSize 131072
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# Set how often the acceptor polls for incoming connections. The acceptor is also
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# responsible for polling existing connections that have gone idle. 0 means continuously
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# poll. Units in microseconds.
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AcceptorPollRate 10000
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[Nvme]
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# NVMe Device Whitelist
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# Users may specify which NVMe devices to claim by their transport id.
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# See spdk_nvme_transport_id_parse() in spdk/nvme.h for the correct format.
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# The second argument is the assigned name, which can be referenced from
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# other sections in the configuration file. For NVMe devices, a namespace
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# is automatically appended to each name in the format <YourName>nY, where
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# Y is the NSID (starts at 1).
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TransportID "trtype:PCIe traddr:0000:00:00.0" Nvme0
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TransportID "trtype:PCIe traddr:0000:01:00.0" Nvme1
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TransportID "trtype:PCIe traddr:0000:02:00.0" Nvme2
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TransportID "trtype:PCIe traddr:0000:03:00.0" Nvme3
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# The number of attempts per I/O when an I/O fails. Do not include
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# this key to get the default behavior.
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RetryCount 4
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# Timeout for each command, in microseconds. If 0, don't track timeouts.
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TimeoutUsec 0
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# Action to take on command time out. Only valid when Timeout is greater
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# than 0. This may be 'Reset' to reset the controller, 'Abort' to abort
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# the command, or 'None' to just print a message but do nothing.
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# Admin command timeouts will always result in a reset.
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ActionOnTimeout None
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# Set how often the admin queue is polled for asynchronous events.
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# Units in microseconds.
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AdminPollRate 100000
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# Disable handling of hotplug (runtime insert and remove) events,
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# users can set to Yes if want to enable it.
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# Default: No
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HotplugEnable No
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# The Split virtual block device slices block devices into multiple smaller bdevs.
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[Split]
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# Syntax:
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# Split <bdev> <count> [<size_in_megabytes>]
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# Split Malloc2 into two equally-sized portions, Malloc2p0 and Malloc2p1
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Split Malloc2 2
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# Split Malloc3 into eight 1-megabyte portions, Malloc3p0 ... Malloc3p7,
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# leaving the rest of the device inaccessible
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Split Malloc3 8 1
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# The RAID virtual block device based on pre-configured block device.
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[RAID1]
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# Unique name of this RAID device.
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Name Raid0
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# RAID level, only raid level 0 is supported.
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RaidLevel 0
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# Strip size in KB.
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StripSize 64
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# Number of pre-configured bdevs.
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NumDevices 2
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# Pre-configured bdevs name.
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Devices Nvme2n1 Nvme3n1
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# Define an NVMf Subsystem.
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# - NQN is required and must be unique.
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# - Between 1 and 255 Listen directives are allowed. This defines
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# the addresses on which new connections may be accepted. The format
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# is Listen <type> <address> where type currently can only be RDMA.
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# - Between 0 and 255 Host directives are allowed. This defines the
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# NQNs of allowed hosts. If no Host directive is specified, all hosts
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# are allowed to connect.
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# - Between 0 and 255 Namespace directives are allowed. These define the
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# namespaces accessible from this subsystem.
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# The user must specify MaxNamespaces to allow for adding namespaces
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# during active connection. By default it is 0
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# The user must specify a bdev name for each namespace, and may optionally
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# specify a namespace ID. If nsid is omitted, the namespace will be
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# assigned the next available NSID. The NSID must be unique within the
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# subsystem. An optional namespace UUID may also be specified.
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# Syntax:
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# Namespace <bdev_name> [<nsid> [<uuid>]]
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# Namespaces backed by physical NVMe devices
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[Subsystem1]
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NQN nqn.2016-06.io.spdk:cnode1
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Listen RDMA 15.15.15.2:4420
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AllowAnyHost No
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Host nqn.2016-06.io.spdk:init
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SN SPDK00000000000001
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MaxNamespaces 20
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Namespace Nvme0n1 1
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Namespace Nvme1n1 2
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Namespace Raid0
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# Multiple subsystems are allowed.
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# Namespaces backed by non-NVMe devices
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[Subsystem2]
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NQN nqn.2016-06.io.spdk:cnode2
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Listen RDMA 192.168.2.21:4420
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AllowAnyHost No
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Host nqn.2016-06.io.spdk:init
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SN SPDK00000000000002
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Namespace Malloc0
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Namespace Malloc1
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Namespace AIO0
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Namespace AIO1
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