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properties.json
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properties.json
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{
"properties": {
"stordriver_pool_name": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_NAME"
],
"type": "regex",
"value": "[a-zA-Z0-9_/-]+",
"internal": true
},
"stordriver_volumegroup": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_VOLUME_GROUP"
],
"type": "regex",
"value": "[a-zA-Z0-9_-]+",
"internal": true
},
"stordriver_lvcreate_type": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_LVCREATE_TYPE"
],
"type": "symbol",
"default": "linear",
"values": [
"linear",
"striped",
"mirror",
"raid0",
"raid1",
"raid4",
"raid5",
"raid6",
"raid10",
"lzma",
"lz4"
],
"internal": true
},
"stordriver_lvcreate_options": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_LVCREATE_OPTIONS"
],
"type": "regex",
"value": ".*",
"info": "Additional parameters added to every 'lvcreate ... ' command"
},
"stordriver_lvcreate_snapshot_options": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_LVCREATE_SNAPSHOT_OPTIONS"
],
"type": "regex",
"value": ".*",
"info": "Additional parameters added to every 'lvcreate --snapshot ... ' command"
},
"stordriver_thinpool": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_THIN_POOL"
],
"type": "regex",
"value": "[a-zA-Z0-9_-]+",
"internal": true
},
"stordriver_lvm_sizes_cache_time": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_LVM_SIZES_CACHE_TIME"
],
"type": "long",
"info": "How long LINSTOR should cache the results of lvs and vgs in milliseconds."
},
"stordriver_zpool": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_ZPOOL"
],
"type": "regex",
"value": "[a-zA-Z0-9_/-]+",
"internal": true
},
"stordriver_zpool_thin": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_ZPOOLTHIN"
],
"type": "regex",
"value": "[a-zA-Z0-9_/-]+",
"internal": true
},
"stordriver_zfs_create_options": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_ZFS_CREATE_OPTIONS"
],
"type": "regex",
"value": ".*",
"info": "Additional parameters added to every 'zfs create ... ' command"
},
"stordriver_zfs_snapshot_options": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_ZFS_SNAPSHOT_OPTIONS"
],
"type": "regex",
"value": ".*",
"info": "Additional parameters added to every 'zfs snapshot ... ' command"
},
"stordriver_file_dir": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_FILE_DIRECTORY"
],
"type": "regex",
"value": ".*",
"internal": true
},
"stordriver_wait_timeout_after_create": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_WAIT_TIMEOUT_AFTER_CREATE"
],
"type": "regex",
"value": "[0-9]+",
"internal": true
},
"stordriver_ebs_remote_name": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"NAMESPC_EBS",
"KEY_REMOTE"
],
"type": "regex",
"value": "^[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"internal": true
},
"storage_pool_name": {
"key": [
"KEY_STOR_POOL_NAME"
],
"type": "regex",
"value": "^[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"info": "Linstor storage pool name to use."
},
"storage_pool_drbd_meta_name": {
"key": [
"KEY_STOR_POOL_DRBD_META_NAME"
],
"type": "regex",
"value": "^|.internal|[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"info": "Linstor storage pool name to use for external metadata."
},
"storage_pool_exos_vlm_type": {
"key": [
"NAMESPC_EXOS",
"KEY_STOR_POOL_EXOS_VLM_TYPE"
],
"type": "symbol",
"values": [
"linear",
"virtual"
],
"info": "linear: Volumes are created from Disk Groups (vdisks), virtual: Volumes are created from Pools which is a set of Disk Groups (vdisks)"
},
"storage_pool_exos_create_vlm_options": {
"key": [
"NAMESPC_EXOS",
"KEY_STOR_POOL_EXOS_CREATE_VOLUME_OPTIONS"
],
"type": "string",
"info": "Any additional parameters appended to /create/volume/pool/${poolName}/size/${size}KiB/${vlmName}"
},
"storage_pool_exos_enclosure": {
"key": [
"NAMESPC_EXOS",
"KEY_STOR_POOL_EXOS_ENCLOSURE"
],
"type": "string",
"info": "Name of the Exos enclosure"
},
"storage_pool_exos_pool_sn": {
"key": [
"NAMESPC_EXOS",
"KEY_STOR_POOL_EXOS_POOL_SN"
],
"type": "string",
"info": "Serial number of the Exos pool"
},
"storage_pool_remote_spdk_api_host": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_REMOTE_SPDK_API_HOST"
],
"type": "regex",
"value": ".+",
"info": "Remote SPDK API host name"
},
"storage_pool_remote_spdk_api_port": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_REMOTE_SPDK_API_PORT"
],
"type": "regex",
"value": "[0-9]+",
"info": "Remote SPDK API port"
},
"storage_pool_remote_spdk_user_name": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_REMOTE_SPDK_API_USER_NAME"
],
"type": "regex",
"value": ".+",
"info": "Remote SPDK API user name"
},
"storage_pool_remote_spdk_user_name_env": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_REMOTE_SPDK_API_USER_NAME_ENV"
],
"type": "regex",
"value": ".+",
"info": "Environment variable containing remote SPDK API user name"
},
"storage_pool_remote_spdk_user_pw": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_REMOTE_SPDK_API_USER_PW"
],
"type": "regex",
"value": ".+",
"info": "Remote SPDK API password"
},
"storage_pool_remote_spdk_user_pw_env": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_STOR_POOL_REMOTE_SPDK_API_USER_PW_ENV"
],
"type": "regex",
"value": ".+",
"info": "Environment variable containing remote SPDK API password"
},
"preferred_nic": {
"key": [
"KEY_STOR_POOL_PREF_NIC"
],
"type": "regex",
"value": "^[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"info": "Preferred network interface to use"
},
"tcp_port_range": {
"key": [
"KEY_TCP_PORT_AUTO_RANGE"
],
"type": "regex",
"value": "[0-9]+-[0-9]+",
"info": "Range for auto-allocation of resource TCP ports (default=7000-7999)"
},
"minor_nr_range": {
"key": [
"KEY_MINOR_NR_AUTO_RANGE"
],
"type": "regex",
"value": "[0-9]+-[0-9]+",
"info": "Range for auto-allocation of volume minor numbers"
},
"spec_stlt_auto_port_range": {
"key": [
"KEY_SPEC_STLT_PORT_AUTO_RANGE"
],
"type": "regex",
"value": "[0-9]+-[0-9]+",
"info": "Range for auto-allocation of TCP ports for special satellites"
},
"peer_slots_new_resource": {
"key": [
"KEY_PEER_SLOTS_NEW_RESOURCE"
],
"type": "range",
"min": 1,
"max": 31,
"info": "DRBD peer slots to allocate for newly created resources (default 7), the number of peer slots cannot be changed once the resource is created, so allow sufficient slots to increase redundancy in the future"
},
"peer_slots": {
"key": [
"KEY_PEER_SLOTS"
],
"type": "range",
"min": 1,
"max": 31,
"info": "DRBD peer slots present on resource",
"internal": true
},
"dm_stats": {
"key": [
"NAMESPC_STORAGE_DRIVER",
"KEY_DMSTATS"
],
"type": "boolean_true_false",
"info": "Enable dmstats on lvm create"
},
"override_vlm_id": {
"key": [
"KEY_STOR_POOL_OVERRIDE_VLM_ID"
],
"type": "regex",
"value": ".*",
"info": "Overwrites the generated '<resource-name>_<5 digit volume number>' volume name for migration purposes"
},
"max_oversubscription_ratio": {
"key": [
"KEY_STOR_POOL_MAX_OVERSUBSCRIPTION_RATIO"
],
"type": "range-float",
"min_float": 0.0,
"max_float": 1000.0,
"info": "Default value for MaxFreeCapacityOversubscriptionRatio and MaxTotalCapacityOversubscriptionRatio (default 20)"
},
"max_free_space_based_oversubscription_ratio": {
"key": [
"KEY_STOR_POOL_MAX_FREE_CAPACITY_OVERSUBSCRIPTION_RATIO"
],
"type": "range-float",
"min_float": 0.0,
"max_float": 1000.0,
"info": "Maximum allowed ratio the remaining free space can be overprovisioned (default 20)"
},
"max_total_capacity_based_oversubscription_ratio": {
"key": [
"KEY_STOR_POOL_MAX_TOTAL_CAPACITY_OVERSUBSCRIPTION_RATIO"
],
"type": "range-float",
"min_float": 0.0,
"max_float": 1000.0,
"info": "Maximum allowed ratio the capacity can be overprovisioned (default 20)"
},
"proxy_memlimit": {
"unit_prefix": "1",
"min": 16777216,
"default": 16777216,
"max": 9223372036854775807,
"drbd_option_name": "memlimit",
"internal": true,
"key": "DrbdOptions/Proxy/memlimit",
"type": "range",
"unit": "bytes"
},
"proxy_read_loops": {
"unit_prefix": "1",
"min": 0,
"default": 0,
"max": 2147483647,
"drbd_option_name": "read-loops",
"internal": true,
"key": "DrbdOptions/Proxy/read-loops",
"type": "range"
},
"proxy_sndbuf_size": {
"unit_prefix": "1",
"min": 0,
"default": 0,
"max": 10485760,
"drbd_option_name": "sndbuf-size",
"internal": true,
"key": "DrbdOptions/Proxy/sndbuf-size",
"type": "range",
"unit": "bytes"
},
"proxy_rcvbuf_size": {
"unit_prefix": "1",
"min": 0,
"default": 0,
"max": 10485760,
"drbd_option_name": "rcvbuf-size",
"internal": true,
"key": "DrbdOptions/Proxy/rcvbuf-size",
"type": "range",
"unit": "bytes"
},
"proxy_ping_timeout": {
"unit_prefix": "1",
"min": 1,
"default": 200,
"max": 300,
"drbd_option_name": "ping-timeout",
"internal": true,
"key": "DrbdOptions/Proxy/ping-timeout",
"type": "range",
"unit": "1/10 seconds"
},
"proxy_compression_type": {
"internal": true,
"key": [
"NAMESPC_DRBD_PROXY",
"KEY_DRBD_PROXY_COMPRESSION_TYPE"
],
"type": "symbol",
"values": [
"zlib",
"lzma",
"lz4",
"zstd"
]
},
"proxy_compression_zstd_level": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/level",
"drbd_option_name": "level",
"type": "range",
"min": 1,
"default": 3,
"max": 22
},
"proxy_compression_zlib_level": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/level",
"drbd_option_name": "level",
"type": "range",
"min": 1,
"default": 2,
"max": 9
},
"proxy_compression_lzma_dict_size": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/dict-size",
"drbd_option_name": "dict-size",
"type": "range",
"min": 4096,
"default": 32768,
"max": 1610612736
},
"proxy_compression_lzma_lc": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/lc",
"drbd_option_name": "lc",
"type": "range",
"min": 0,
"default": 3,
"max": 4
},
"proxy_compression_lzma_lp": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/lp",
"drbd_option_name": "lp",
"type": "range",
"min": 0,
"default": 0,
"max": 4
},
"proxy_compression_lzma_pb": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/pb",
"drbd_option_name": "pb",
"type": "range",
"min": 0,
"default": 2,
"max": 4
},
"proxy_compression_lzma_nice_len": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/nice-len",
"drbd_option_name": "nice-len",
"type": "range",
"min": 0,
"default": 273,
"max": 273
},
"proxy_compression_lzma_mf": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/mf",
"drbd_option_name": "mf",
"type": "symbol",
"default": "hc3",
"values": [
"hc4",
"hc3",
"bt2",
"bt3",
"bt4"
]
},
"proxy_compression_lzma_mode": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/mode",
"drbd_option_name": "mode",
"type": "symbol",
"default": "fast",
"values": [
"fast",
"normal"
]
},
"proxy_compression_lzma_depth": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/depth",
"drbd_option_name": "depth",
"type": "range",
"min": 0,
"default": 0,
"max": 1000
},
"proxy_compression_lzma_level": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/level",
"drbd_option_name": "level",
"type": "range",
"min": 1,
"default": 4,
"max": 9
},
"proxy_compression_lzma_contexts": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/contexts",
"drbd_option_name": "contexts",
"type": "range",
"min": 1,
"default": "thread count",
"max": 253
},
"proxy_compression_lzma_fallback_to_zlib": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/fallback-to-zlib",
"drbd_option_name": "fallback-to-zlib",
"type": "symbol",
"default": "off",
"values": [
"off",
"on"
]
},
"proxy_compression_lzma_numa_threshold": {
"internal": true,
"key": "DrbdOptions/ProxyCompression/numa-threshold",
"drbd_option_name": "numa-threshold",
"type": "range",
"min": 0,
"default": 0,
"max": 253
},
"proxy_auto_enable": {
"internal": true,
"key": [
"NAMESPC_DRBD_PROXY", "KEY_DRBD_PROXY_AUTO_ENABLE"
],
"type": "boolean_true_false",
"default": "false"
},
"site": {
"internal": true,
"key": [
"KEY_SITE"
],
"type": "string"
},
"drbd_current_gi": {
"internal": false,
"key": [
"KEY_DRBD_CURRENT_GI"
],
"type": "regex",
"value": "[a-fA-F0-9]{16}",
"info": "Initial DRBD generation id, if initial sync is skipped, this ID will be set"
},
"rest_disable_http_metrics": {
"internal": false,
"key": [
"NAMESPC_REST",
"KEY_DISABLE_HTTP_METRICS"
],
"info": "Disable Prometheus /metrics on HTTP, if HTTPS is enabled",
"type": "boolean_true_false"
},
"nvme_tr_type": {
"internal": false,
"key": [
"NAMESPC_NVME",
"KEY_TR_TYPE"
],
"type": "symbol",
"default": "rdma",
"values": [
"rdma",
"tcp"
],
"info": "NVMe transportation type"
},
"nvme_port": {
"internal": false,
"key": [
"NAMESPC_NVME",
"KEY_PORT"
],
"type": "range",
"min": 1,
"max": 65535,
"info": "NVMe port"
},
"nvme_preferred_nic": {
"internal": false,
"key": [
"NAMESPC_NVME",
"KEY_PREF_NIC"
],
"type": "regex",
"value": "^[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"info": "Preferred network interface to use"
},
"fs_type": {
"internal": false,
"key": [
"NAMESPC_FILESYSTEM",
"KEY_FS_TYPE"
],
"info": "File system type to use",
"type": "symbol",
"values": [
"ext4",
"xfs"
]
},
"fs_user": {
"internal": false,
"key": [
"NAMESPC_FILESYSTEM",
"KEY_FS_USER"
],
"info": "Owner user (name or ID) of the created file system",
"type": "string",
"default": "If neither user nor group is given, use the current user of the Linstor process. If only Group is given, use 'nobody' as user"
},
"fs_group": {
"internal": false,
"key": [
"NAMESPC_FILESYSTEM",
"KEY_FS_GROUP"
],
"info": "Owner group (name or ID) of the created file system",
"type": "string",
"default": "If neither user nor group is given, use the current user of the Linstor process. If only User is given, use the user's group"
},
"fs_mkfsparameters": {
"internal": false,
"key": [
"NAMESPC_FILESYSTEM",
"KEY_FS_MKFSPARAMETERS"
],
"info": "Additional parameters for the mkfs command",
"type": "string"
},
"sys_fs_blkio_throttle_read": {
"internal": false,
"key": [
"NAMESPC_SYS_FS",
"KEY_SYS_FS_BLKIO_THROTTLE_READ"
],
"info": "Sets the /sys/fs/cgroup/blkio/blkio.throttle.read_bps_device",
"type": "long"
},
"sys_fs_blkio_throttle_write": {
"internal": false,
"key": [
"NAMESPC_SYS_FS",
"KEY_SYS_FS_BLKIO_THROTTLE_WRITE"
],
"info": "Sets the /sys/fs/cgroup/blkio/blkio.throttle.write_bps_device",
"type": "long"
},
"sys_fs_blkio_throttle_read_iops": {
"internal": false,
"key": [
"NAMESPC_SYS_FS",
"KEY_SYS_FS_BLKIO_THROTTLE_READ_IOPS"
],
"info": "Sets the /sys/fs/cgroup/blkio/blkio.throttle.read_iops_device",
"type": "long"
},
"sys_fs_blkio_throttle_write_iops": {
"internal": false,
"key": [
"NAMESPC_SYS_FS",
"KEY_SYS_FS_BLKIO_THROTTLE_WRITE_IOPS"
],
"info": "Sets the /sys/fs/cgroup/blkio/blkio.throttle.write_iops_device",
"type": "long"
},
"search_domain": {
"internal": false,
"key": ["KEY_SEARCH_DOMAIN"],
"info": "Search domain node names, if no FQDN is given.",
"type": "string"
},
"ext_cmd_wait_to": {
"internal": false,
"key": ["KEY_EXT_CMD_WAIT_TO"],
"info": "Wait timeout for an external command in milliseconds",
"type": "long"
},
"auto_evict_after_time": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_AUTO_EVICT_AFTER_TIME"
],
"info": "Time a node can be offline before it is declared EVICTED in minutes",
"type": "long",
"default": 60
},
"auto_evict_max_disconnected_nodes": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_AUTO_EVICT_MAX_DISCONNECTED_NODES"
],
"info": "Percentage(0-100) of nodes that can disconnect at the same time without the controller stopping the max_offline_time timer",
"type": "range",
"min": 0,
"max": 100,
"default": 34
},
"auto_evict_min_replica_count": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_AUTO_EVICT_MIN_REPLICA_COUNT"
],
"info": "The minimum amount of replicas that should be present for a resource at all times.",
"type": "long",
"default": "The place count set for the resource group"
},
"auto_evict_allow_eviction": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_AUTO_EVICT_ALLOW_EVICTION"
],
"info": "If set to false on a node, it cannot be evicted anymore",
"type": "boolean_true_false",
"default": "true"
},
"drbd_auto_quorum": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_AUTO_QUORUM"
],
"info": "Enables automatic setting of the 'quorum' and 'on-no-quorum' property",
"type": "symbol",
"values": [
"io-error",
"suspend-io",
"disabled"
]
},
"drbd_auto_add_quorum_tie_breaker": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_AUTO_ADD_QUORUM_TIEBREAKER"
],
"info": "Enables automatic management (creation and deletion) of tie breaking resource",
"type": "boolean_true_false"
},
"drbd_auto_diskful": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_AUTO_DISKFUL"
],
"info": "Makes a resource diskful if it was continuously diskless primary for X minutes",
"type": "long"
},
"drbd_auto_diskful_allow_cleanup": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_AUTO_DISKFUL_ALLOW_CLEANUP"
],
"info": "Allows this resource to be cleaned up after toggle-disk + resync is finished",
"type": "boolean_true_false"
},
"drbd_auto_resync_after_disable": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_DISABLE_AUTO_RESYNC_AFTER"
],
"info": "If set to true it will disable automatic setting of DRBD resync-after options",
"type": "boolean_true_false"
},
"drbd_auto_verify_algo_disable": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_DISABLE_AUTO_VERIFY_ALGO"
],
"info": "If set to true it will disable automatic setting of DRBD verify algorithm",
"type": "boolean_true_false"
},
"drbd_auto_verify_algo_allowed_user": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_AUTO_VERIFY_ALGO_ALLOWED_USER"
],
"info": "A list of verify algorithms allowed by user, semicolon separated",
"type": "string"
},
"drbd_auto_rs_discard_granularity": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_AUTO_RS_DISCARD_GRANULARITY"
],
"info": "If set to false it will disable automatic setting of DRBD rs-discard-granularity. If not set or set to true, automatically setting the rs-discard-granularity property might override previously values specified by the user on volume-definition level",
"type": "string"
},
"drbd_skip_disk": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_SKIP_DISK"
],
"info": "Appends '--skip-disk' to 'drbdadm adjust' commands. Is automatically set if a disk failure is detected. In order to disable, remove this property",
"type": "symbol",
"values": [
"True"
]
},
"drbd_exact_size": {
"internal": false,
"key": [
"NAMESPC_DRBD_OPTIONS",
"KEY_DRBD_EXACT_SIZE"
],
"info": "Adds a 'size' property into the .res file containing the exact size defined in the volume-definition",
"type": "boolean_true_false"
},
"writecache_pool_name": {
"key": [
"NAMESPC_WRITECACHE",
"KEY_WRITECACHE_POOL_NAME"
],
"type": "regex",
"value": "^[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"info": "Linstor storage pool name for writecache"
},
"writecache_size": {
"key": [
"NAMESPC_WRITECACHE",
"KEY_WRITECACHE_SIZE"
],
"type": "regex",
"value": "^100%|[0-9]{1,2}([.][0-9]*)?%|[1-9][0-9]{2,}$",
"info": "Size of the writecache in % (0-100) or KiB otherwise"
},
"writecache_opt_start_sector":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_START_SECTOR"
],
"type": "long",
"info": "offset from the start of cache device in 512-byte sectors",
"default": "0"
},
"writecache_opt_high_watermark":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_HIGH_WATERMARK"
],
"type": "long",
"info": "start writeback when the number of used blocks reach this watermark",
"default": "50"
},
"writecache_opt_low_watermark":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_LOW_WATERMARK"
],
"type": "long",
"info": "stop writeback when the number of used blocks drops below this watermark",
"default": "45"
},
"writecache_opt_writeback_jobs":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_WRITEBACK_JOBS"
],
"type": "long",
"info": "limit the number of blocks that are in flight during writeback. Setting this value reduces writeback throughput, but it may improve latency of read requests",
"default": "unlimited"
},
"writecache_opt_autocommit_blocks":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_AUTOCOMMIT_BLOCKS"
],
"type": "long",
"info": "when the application writes this amount of blocks without issuing the FLUSH request, the blocks are automatically committed",
"default": "64 for pmem, 65536 for ssd"
},
"writecache_opt_autocommit_time":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_AUTOCOMMIT_TIME"
],
"type": "long",
"info": "autocommit time in milliseconds. The data is automatically committed if this time passes and no FLUSH request is received",
"default": "1000"
},
"writecache_opt_fua":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_FUA"
],
"type": "symbol",
"values": [
"On",
"Off"
],
"info": "\"On\" results in \"fua\" as argument, whereas the value \"Off\" results in \"nofua\" argument",
"default": "On"
},
"writecache_opt_additional":
{
"key": [
"NAMESPC_WRITECACHE_OPTIONS",
"KEY_WRITECACHE_OPTION_ADDITIONAL"
],
"type": "string",
"info": "Additional arguments passed through"
},
"cache_op_mode":
{
"key": [
"NAMESPC_CACHE",
"KEY_CACHE_OPERATING_MODE"
],
"type": "symbol",
"values": [
"writeback",
"writethrough",
"passthrough"
],
"info": "Operation mode",
"default": "writethrough"
},
"cache_meta_pool":
{
"key": [
"NAMESPC_CACHE",
"KEY_CACHE_META_POOL_NAME"
],
"type": "regex",
"value": "^[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"info": "Name of the storage pool used for the cache metadata. If not specified, this will default to the CachePool property"
},
"cache_meta_size":
{
"key": [
"NAMESPC_CACHE",
"KEY_CACHE_META_SIZE"
],
"type": "regex",
"value": "^100%|[0-9]{1,2}([.][0-9]*)?%|[1-9][0-9]{2,}$",
"info": "Size of the cache in % (0-100) or KiB otherwise.",
"default": "12288"
},
"cache_cache_pool":
{
"key": [
"NAMESPC_CACHE",
"KEY_CACHE_CACHE_POOL_NAME"
],
"type": "regex",
"value": "^[a-zA-Z0-9_][a-zA-Z0-9_-]{2,47}$",
"info": "Name of the storage pool used for the cache cache device"
},
"cache_cache_size":
{
"key": [
"NAMESPC_CACHE",
"KEY_CACHE_CACHE_SIZE"
],
"type": "regex",
"value": "^100%|[0-9]{1,2}([.][0-9]*)?%|[1-9][0-9]{2,}$",
"info": "Size of the cache in % (0-100) or KiB otherwise.",
"default": "5%"
},