Xtreemfs
services.xtreemfs.dir.address
If specified, it defines the interface to listen on. If not specified, the service will listen on all interfaces (any).
Type: string
Default
""
Example
"127.0.0.1"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.enable
Whether to enable XtreemFS DIR service.
Type: boolean
Default
true
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.extraConfig
Configuration of XtreemFS DIR service. WARNING: configuration is saved as plaintext inside nix store. For more options: https://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
Type: strings concatenated with "\n"
Default
""
Example
'' # specify whether SSL is required ssl.enabled = true ssl.service_creds.pw = passphrase ssl.service_creds.container = pkcs12 ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/dir.p12 ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks ssl.trusted_certs.pw = jks_passphrase ssl.trusted_certs.container = jks''
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.httpPort
Specifies the listen port for the HTTP service that returns the status page.
Type: 16 bit unsigned integer; between 0 and 65535 (both inclusive)
Default
30638
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.port
The port to listen on for incoming connections (TCP).
Type: 16 bit unsigned integer; between 0 and 65535 (both inclusive)
Default
32638
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.replication.enable
Whether to enable XtreemFS DIR replication plugin.
Type: boolean
Default
false
Example
true
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.replication.extraConfig
Configuration of XtreemFS DIR replication plugin. WARNING: configuration is saved as plaintext inside nix store. For more options: https://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
Type: strings concatenated with "\n"
Example
`#!nix '' # participants of the replication including this replica babudb.repl.participant.0 = 192.168.0.10 babudb.repl.participant.0.port = 35676 babudb.repl.participant.1 = 192.168.0.11 babudb.repl.participant.1.port = 35676 babudb.repl.participant.2 = 192.168.0.12 babudb.repl.participant.2.port = 35676
# number of servers that at least have to be up to date # To have a fault-tolerant system, this value has to be set to the # majority of nodes i.e., if you have three replicas, set this to 2 # Please note that a setup with two nodes provides no fault-tolerance. babudb.repl.sync.n = 2
# specify whether SSL is required babudb.ssl.enabled = true
babudb.ssl.protocol = tlsv12
# server credentials for SSL handshakes babudb.ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/osd.p12 babudb.ssl.service_creds.pw = passphrase babudb.ssl.service_creds.container = pkcs12
# trusted certificates for SSL handshakes babudb.ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks babudb.ssl.trusted_certs.pw = jks_passphrase babudb.ssl.trusted_certs.container = jks
babudb.ssl.authenticationWithoutEncryption = false ''`
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.syncMode
The sync mode influences how operations are committed to the disk log before the operation is acknowledged to the caller.
-ASYNC mode the writes to the disk log are buffered in memory by the operating system. This is the fastest mode but will lead to data loss in case of a crash, kernel panic or power failure. -SYNC_WRITE_METADATA opens the file with O_SYNC, the system will not buffer any writes. The operation will be acknowledged when data has been safely written to disk. This mode is slow but offers maximum data safety. However, BabuDB cannot influence the disk drive caches, this depends on the OS and hard disk model. -SYNC_WRITE similar to SYNC_WRITE_METADATA but opens file with O_DSYNC which means that only the data is commit to disk. This can lead to some data loss depending on the implementation of the underlying file system. Linux does not implement this mode. -FDATASYNC is similar to SYNC_WRITE but opens the file in asynchronous mode and calls fdatasync() after writing the data to disk. -FSYNC is similar to SYNC_WRITE_METADATA but opens the file in asynchronous mode and calls fsync() after writing the data to disk.
For best throughput use ASYNC, for maximum data safety use FSYNC.
(If xtreemfs.dir.replication.enable is true then FDATASYNC is forced)
Type: one of "ASYNC", "SYNC_WRITE_METADATA", "SYNC_WRITE", "FDATASYNC", "FSYNC"
Default
"FSYNC"
Example
"FDATASYNC"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.dir.uuid
Must be set to a unique identifier, preferably a UUID according to
RFC 4122. UUIDs can be generated with uuidgen command, found in
the util-linux package.
Type: string
Example
"eacb6bab-f444-4ebf-a06a-3f72d7465e40"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.enable
Whether to enable XtreemFS.
Type: boolean
Default
false
Example
true
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.homeDir
XtreemFS home dir for the xtreemfs user.
Type: path
Default
"/var/lib/xtreemfs"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.address
If specified, it defines the interface to listen on. If not specified, the service will listen on all interfaces (any).
Type: string
Default
""
Example
"127.0.0.1"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.enable
Whether to enable XtreemFS MRC service.
Type: boolean
Default
true
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.extraConfig
Configuration of XtreemFS MRC service. WARNING: configuration is saved as plaintext inside nix store. For more options: https://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
Type: strings concatenated with "\n"
Example
`#!nix '' osd_check_interval = 300 no_atime = true local_clock_renewal = 0 remote_time_sync = 30000 authentication_provider = org.xtreemfs.common.auth.NullAuthProvider
# shared secret between the MRC and all OSDs capability_secret = iNG8UuQJrJ6XVDTe
dir_service.host = 192.168.0.10 dir_service.port = 32638
# if replication is enabled dir_service.1.host = 192.168.0.11 dir_service.1.port = 32638 dir_service.2.host = 192.168.0.12 dir_service.2.port = 32638
# specify whether SSL is required ssl.enabled = true ssl.protocol = tlsv12 ssl.service_creds.pw = passphrase ssl.service_creds.container = pkcs12 ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/mrc.p12 ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks ssl.trusted_certs.pw = jks_passphrase ssl.trusted_certs.container = jks ''`
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.httpPort
Specifies the listen port for the HTTP service that returns the status page.
Type: 16 bit unsigned integer; between 0 and 65535 (both inclusive)
Default
30636
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.port
The port to listen on for incoming connections (TCP).
Type: 16 bit unsigned integer; between 0 and 65535 (both inclusive)
Default
32636
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.replication.enable
Whether to enable XtreemFS MRC replication plugin.
Type: boolean
Default
false
Example
true
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.replication.extraConfig
Configuration of XtreemFS MRC replication plugin. WARNING: configuration is saved as plaintext inside nix store. For more options: https://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
Type: strings concatenated with "\n"
Example
`#!nix '' # participants of the replication including this replica babudb.repl.participant.0 = 192.168.0.10 babudb.repl.participant.0.port = 35678 babudb.repl.participant.1 = 192.168.0.11 babudb.repl.participant.1.port = 35678 babudb.repl.participant.2 = 192.168.0.12 babudb.repl.participant.2.port = 35678
# number of servers that at least have to be up to date # To have a fault-tolerant system, this value has to be set to the # majority of nodes i.e., if you have three replicas, set this to 2 # Please note that a setup with two nodes provides no fault-tolerance. babudb.repl.sync.n = 2
# specify whether SSL is required babudb.ssl.enabled = true
babudb.ssl.protocol = tlsv12
# server credentials for SSL handshakes babudb.ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/osd.p12 babudb.ssl.service_creds.pw = passphrase babudb.ssl.service_creds.container = pkcs12
# trusted certificates for SSL handshakes babudb.ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks babudb.ssl.trusted_certs.pw = jks_passphrase babudb.ssl.trusted_certs.container = jks
babudb.ssl.authenticationWithoutEncryption = false ''`
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.syncMode
The sync mode influences how operations are committed to the disk log before the operation is acknowledged to the caller.
-ASYNC mode the writes to the disk log are buffered in memory by the operating system. This is the fastest mode but will lead to data loss in case of a crash, kernel panic or power failure. -SYNC_WRITE_METADATA opens the file with O_SYNC, the system will not buffer any writes. The operation will be acknowledged when data has been safely written to disk. This mode is slow but offers maximum data safety. However, BabuDB cannot influence the disk drive caches, this depends on the OS and hard disk model. -SYNC_WRITE similar to SYNC_WRITE_METADATA but opens file with O_DSYNC which means that only the data is commit to disk. This can lead to some data loss depending on the implementation of the underlying file system. Linux does not implement this mode. -FDATASYNC is similar to SYNC_WRITE but opens the file in asynchronous mode and calls fdatasync() after writing the data to disk. -FSYNC is similar to SYNC_WRITE_METADATA but opens the file in asynchronous mode and calls fsync() after writing the data to disk.
For best throughput use ASYNC, for maximum data safety use FSYNC.
(If xtreemfs.mrc.replication.enable is true then FDATASYNC is forced)
Type: one of "ASYNC", "SYNC_WRITE_METADATA", "SYNC_WRITE", "FDATASYNC", "FSYNC"
Default
"FSYNC"
Example
"FDATASYNC"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.mrc.uuid
Must be set to a unique identifier, preferably a UUID according to
RFC 4122. UUIDs can be generated with uuidgen command, found in
the util-linux package.
Type: string
Example
"eacb6bab-f444-4ebf-a06a-3f72d7465e41"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.osd.address
If specified, it defines the interface to listen on. If not specified, the service will listen on all interfaces (any).
Type: string
Default
""
Example
"127.0.0.1"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.osd.enable
Whether to enable XtreemFS OSD service.
Type: boolean
Default
true
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.osd.extraConfig
Configuration of XtreemFS OSD service. WARNING: configuration is saved as plaintext inside nix store. For more options: https://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
Type: strings concatenated with "\n"
Example
`#!nix '' local_clock_renewal = 0 remote_time_sync = 30000 report_free_space = true capability_secret = iNG8UuQJrJ6XVDTe
dir_service.host = 192.168.0.10 dir_service.port = 32638
# if replication is used dir_service.1.host = 192.168.0.11 dir_service.1.port = 32638 dir_service.2.host = 192.168.0.12 dir_service.2.port = 32638
# specify whether SSL is required ssl.enabled = true ssl.service_creds.pw = passphrase ssl.service_creds.container = pkcs12 ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/osd.p12 ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks ssl.trusted_certs.pw = jks_passphrase ssl.trusted_certs.container = jks ''`
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.osd.httpPort
Specifies the listen port for the HTTP service that returns the status page.
Type: 16 bit unsigned integer; between 0 and 65535 (both inclusive)
Default
30640
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.osd.port
The port to listen on for incoming connections (TCP and UDP).
Type: 16 bit unsigned integer; between 0 and 65535 (both inclusive)
Default
32640
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix
services.xtreemfs.osd.uuid
Must be set to a unique identifier, preferably a UUID according to
RFC 4122. UUIDs can be generated with uuidgen command, found in
the util-linux package.
Type: string
Example
"eacb6bab-f444-4ebf-a06a-3f72d7465e42"
Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/network-filesystems/xtreemfs.nix