ceph/src/spdk/etc/spdk/iscsi.conf.in

   1 # iSCSI target configuration file
   2 #
   3 # Please write all parameters using ASCII.
   4 # The parameter must be quoted if it includes whitespace.
   5 #
   6 # Configuration syntax:
   7 # Leading whitespace is ignored.
   8 # Lines starting with '#' are comments.
   9 # Lines ending with '\' are concatenated with the next line.
  10 # Bracketed ([]) names define sections
  11
  12 [Global]
  13   # Shared Memory Group ID. SPDK applications with the same ID will share memory.
  14   # Default: <the process PID>
  15   #SharedMemoryID 0
  16
  17   # Disable PCI access. PCI is enabled by default. Setting this
  18   # option will hide any PCI device from all SPDK modules, making
  19   # SPDK act as if they don't exist.
  20   #NoPci Yes
  21
  22   # Tracepoint group mask for spdk trace buffers
  23   # Default: 0x0 (all tracepoint groups disabled)
  24   # Set to 0xFFFF to enable all tracepoint groups.
  25   #TpointGroupMask 0x0
  26
  27 # Users may activate entries in this section to override default values for
  28 # global parameters in the block device (bdev) subsystem.
  29 [Bdev]
  30   # Number of spdk_bdev_io structures allocated in the global bdev subsystem pool.
  31   #BdevIoPoolSize 65536
  32
  33   # Maximum number of spdk_bdev_io structures to cache per thread.
  34   #BdevIoCacheSize 256
  35
  36 [iSCSI]
  37   # node name (not include optional part)
  38   # Users can optionally change this to fit their environment.
  39   NodeBase "iqn.2016-06.io.spdk"
  40
  41   AuthFile /usr/local/etc/spdk/auth.conf
  42
  43   # Socket I/O timeout sec. (0 is infinite)
  44   Timeout 30
  45
  46   # authentication information for discovery session
  47   # Options:
  48   # None, Auto, CHAP and Mutual.  Note that Mutual infers CHAP.
  49   DiscoveryAuthMethod Auto
  50
  51   #MaxSessions 128
  52   #MaxConnectionsPerSession 2
  53
  54   # iSCSI initial parameters negotiate with initiators
  55   # NOTE: incorrect values might crash
  56   DefaultTime2Wait 2
  57   DefaultTime2Retain 60
  58
  59   # Maximum amount in bytes of unsolicited data the iSCSI
  60   # initiator may send to the target during the execution of
  61   # a single SCSI command.
  62   FirstBurstLength 8192
  63
  64   ImmediateData Yes
  65   ErrorRecoveryLevel 0
  66
  67 # Users must change the PortalGroup section(s) to match the IP addresses
  68 #  for their environment.
  69 # PortalGroup sections define which network portals the iSCSI target
  70 #  will use to listen for incoming connections.  These are also used to
  71 #  determine which targets are accessible over each portal group.
  72 # Up to 1024 portal directives are allowed.  These define the network
  73 #  portals of the portal group. The user must specify a IP address
  74 #  for each network portal, and may optionally specify a port and
  75 #  a cpumask. If the port is omitted, 3260 will be used. Cpumask will
  76 #  be used to set the processor affinity of the iSCSI connection
  77 #  through the portal.  If the cpumask is omitted, cpumask will be
  78 #  set to all available processors.
  79 #  Syntax:
  80 #    Portal <Name> <IP address>[:<port>[@<cpumask>]]
  81 [PortalGroup1]
  82   Portal DA1 192.168.2.21:3260
  83   Portal DA2 192.168.2.22:3260@0xF
  84
  85 # Users must change the InitiatorGroup section(s) to match the IP
  86 #  addresses and initiator configuration in their environment.
  87 # Netmask can be used to specify a single IP address or a range of IP addresses
  88 #  Netmask 192.168.1.20   <== single IP address
  89 #  Netmask 192.168.1.0/24 <== IP range 192.168.1.*
  90 [InitiatorGroup1]
  91   InitiatorName ANY
  92   Netmask 192.168.2.0/24
  93
  94 # NVMe configuration options
  95 [Nvme]
  96   # NVMe Device Whitelist
  97   # Users may specify which NVMe devices to claim by their transport id.
  98   # See spdk_nvme_transport_id_parse() in spdk/nvme.h for the correct format.
  99   # The second argument is the assigned name, which can be referenced from
 100   # other sections in the configuration file. For NVMe devices, a namespace
 101   # is automatically appended to each name in the format <YourName>nY, where
 102   # Y is the NSID (starts at 1).
 103   TransportID "trtype:PCIe traddr:0000:00:00.0" Nvme0
 104   TransportID "trtype:PCIe traddr:0000:01:00.0" Nvme1
 105
 106   # The number of attempts per I/O when an I/O fails. Do not include
 107   # this key to get the default behavior.
 108   RetryCount 4
 109   # Timeout for each command, in microseconds. If 0, don't track timeouts.
 110   TimeoutUsec 0
 111   # Action to take on command time out. Only valid when Timeout is greater
 112   # than 0. This may be 'Reset' to reset the controller, 'Abort' to abort
 113   # the command, or 'None' to just print a message but do nothing.
 114   # Admin command timeouts will always result in a reset.
 115   ActionOnTimeout None
 116   # Set how often the admin queue is polled for asynchronous events.
 117   # Units in microseconds.
 118   AdminPollRate 100000
 119   # Set how often I/O queues are polled from completions.
 120   # Units in microseconds.
 121   IOPollRate 0
 122
 123   # Disable handling of hotplug (runtime insert and remove) events,
 124   # users can set to Yes if want to enable it.
 125   # Default: No
 126   HotplugEnable No
 127
 128   # Set how often the hotplug is processed for insert and remove events.
 129   # Units in microseconds.
 130   HotplugPollRate 0
 131
 132 # Users may change this section to create a different number or size of
 133 #  malloc LUNs.
 134 # If the system has hardware DMA engine, it can use an IOAT
 135 # (i.e. Crystal Beach DMA) channel to do the copy instead of memcpy
 136 # by specifying "Enable Yes" in [Ioat] section.
 137 # Offload is disabled by default even it is available.
 138 [Malloc]
 139   # Number of Malloc targets
 140   NumberOfLuns 5
 141   # Malloc targets are 128M
 142   LunSizeInMB 128
 143   # Block size. Default is 512 bytes.
 144   BlockSize 4096
 145
 146 # Users can use offload by specifying "Enable Yes" in this section
 147 # if it is available.
 148 # Users may use the whitelist to initialize specified devices, IDS
 149 #  uses BUS:DEVICE.FUNCTION to identify each Ioat channel.
 150 [Ioat]
 151   Enable No
 152   Whitelist 00:04.0
 153   Whitelist 00:04.1
 154
 155 # Users must change this section to match the /dev/sdX devices to be
 156 # exported as iSCSI LUNs. The devices are accessed using Linux AIO.
 157 # The format is:
 158 # AIO <file name> <bdev name> [<block size>]
 159 # The file name is the backing device
 160 # The bdev name can be referenced from elsewhere in the configuration file.
 161 # Block size may be omitted to automatically detect the block size of a disk.
 162 [AIO]
 163   AIO /dev/sdb AIO0
 164   AIO /dev/sdc AIO1
 165   AIO /tmp/myfile AIO2 4096
 166
 167 # PMDK libpmemblk-based block device
 168 [Pmem]
 169   # Syntax:
 170   #   Blk <pmemblk pool file name> <bdev name>
 171   Blk /path/to/pmem-pool Pmem0
 172
 173 # The Split virtual block device slices block devices into multiple smaller bdevs.
 174 [Split]
 175   # Syntax:
 176   #   Split <bdev> <count> [<size_in_megabytes>]
 177
 178   # Split Malloc1 into two equally-sized portions, Malloc1p0 and Malloc1p1
 179   Split Malloc1 2
 180
 181   # Split Malloc2 into eight 1-megabyte portions, Malloc2p0 ... Malloc2p7,
 182   # leaving the rest of the device inaccessible
 183   Split Malloc2 8 1
 184
 185 # The RAID virtual block device based on pre-configured block device.
 186 [RAID1]
 187   # Unique name of this RAID device.
 188   Name Raid0
 189   # RAID level, only raid level 0 is supported.
 190   RaidLevel 0
 191   # Strip size in KB.
 192   StripSize 64
 193   # Number of pre-configured bdevs.
 194   NumDevices 2
 195   # Pre-configured bdevs name with Nvme.
 196   #Devices Nvme0n1 Nvme1n1
 197   # Pre-configured bdevs name with Malloc.
 198   Devices Malloc3 Malloc4
 199   # Pre-configured bdevs name with AIO.
 200   #Devices AIO0 AIO1
 201
 202 # Users should change the TargetNode section(s) below to match the
 203 #  desired iSCSI target node configuration.
 204 # TargetName, Mapping, LUN0 are minimum required
 205 [TargetNode1]
 206   TargetName disk1
 207   TargetAlias "Data Disk1"
 208   Mapping PortalGroup1 InitiatorGroup1
 209   AuthMethod Auto
 210   AuthGroup AuthGroup1
 211   # Enable header and data digest
 212   # UseDigest Header Data
 213   UseDigest Auto
 214   # Use the first malloc target
 215   LUN0 Malloc0
 216   # Using the first AIO target
 217   LUN1 AIO0
 218   # Using the second storage target
 219   LUN2 AIO1
 220   # Using the third storage target
 221   LUN3 AIO2
 222   QueueDepth 128
 223
 224 [TargetNode2]
 225   TargetName disk2
 226   TargetAlias "Data Disk2"
 227   Mapping PortalGroup1 InitiatorGroup1
 228   AuthMethod Auto
 229   AuthGroup AuthGroup1
 230   UseDigest Auto
 231   LUN0 Nvme0n1
 232   LUN1 Raid0
 233   QueueDepth 32