@@ -21,18 +21,33 @@ Parameters recognized in configuration files under /etc/cvmfs:
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CVMFS_ALIEN_CACHE If set, use an alien cache at the given location
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CVMFS_ALT_ROOT_PATH | If set to *yes*, use alternative root catalog path.
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| Only required for fixed catalogs (tag / hash) under the alternative path.
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+ CVMFS_ARCH | Automatically set by CVMFs to reflect the CPU architecture on which the client runs (using ``uname -m``).
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+ | Allows to utilize variant symlinks with cvmfs installations to auto-select the architecture.
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CVMFS_AUTO_UPDATE If set to *no *, disables the automatic update of file catalogs.
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CVMFS_AUTHZ_HELPER Full path to an authz helper, overwrites the helper hint in the catalog.
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CVMFS_AUTHZ_SEARCH_PATH Full path to the directory that contains the authz helpers.
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CVMFS_BACKOFF_INIT Seconds for the maximum initial backoff when retrying to download data.
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CVMFS_BACKOFF_MAX Maximum backoff in seconds when retrying to download data.
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+ CVMFS_BLACKLIST | File name of the blacklist that denies mounting any revision < revision N.
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+ | Format: ``<REPO N`` where REPO is the repository name, N is the revision number,
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+ | and the two parts are separated by whitespace.
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+ | Note: no extra characters are allowed after N, not even whitespace.
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CVMFS_CATALOG_WATERMARK | Try to release pinned catalogs when their number surpasses the given watermark.
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| Defaults to 1/4 CVMFS_NFILES; explicitly set by shrinkwrap.
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+ CVMFS_CACHE_ALIEN Deprecated, legacy parameter. Use ``CVMFS_ALIEN_CACHE `` instead.
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CVMFS_CACHE_BASE Location (directory) of the CernVM-FS cache.
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+ CVMFS_CACHE_DIR | Similar to ``CVMFS_CACHE_BASE``, but automatically set by cvmfs.
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+ | Only might need manual overwriting when using ``libcvmfs``
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+ CVMFS_CACHE_PRIMARY Type of cache to use. By default it is ``posix ``. (see also :ref: `sct_cache_advanced `)
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CVMFS_CACHE_REFCOUNT If set to *yes *, deduplicate open file descriptors by refcounting.
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+ CVNFS_CACHE_<name>_<param> | Parameters used by advanced cache configuration for cache of type ``name``.
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+ | See :ref:`sct_cache_advanced`. `<param>`` values can include e.g.
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+ | ``LOCATOR``, ``TYPE``, ``CMDLINE``, ``ALIEN``, ``WORKSPACE``.
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CVMFS_CACHE_SYMLINKS If set to *yes *, enables symlink caching in the kernel.
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CVMFS_CHECK_PERMISSIONS If set to *no *, disable checking of file ownership and permissions (open all files).
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CVMFS_CLAIM_OWNERSHIP If set to *yes *, allows CernVM-FS to claim ownership of files and directories.
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+ CVMFS_CONFIG_REPOSITORY | CVMFS repository where a CVMFS client will get its config from.
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+ | The default configuration rpm ``cvmfs-config-default`` sets this parameter to ``cvmfs-config.cern.ch``
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CVMFS_CPU_AFFINITY Comma-separated list to set CPU affinity for all ``cvmfs `` components.
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CVMFS_DEBUGLOG If set, run CernVM-FS in debug mode and write a verbose log the the specified file.
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CVMFS_DEFAULT_DOMAIN | The default domain will be automatically appended to repository names
@@ -42,6 +57,7 @@ CVMFS_DNS_MIN_TTL | Minimum effective TTL in seconds for DNS queri
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CVMFS_DNS_MAX_TTL | Maximum effective TTL in seconds for DNS queries of proxy server names
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| (not Stratum 1s). Defaults to 1 day.
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CVMFS_DNS_RETRIES Number of retries when resolving proxy names
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+ CVMFS_DNS_SERVER IP of the DNS server CVMFS should use.
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CVMFS_DNS_TIMEOUT Timeout in seconds when resolving proxy names
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CVMFS_DNS_ROAMING If true, watch /etc/resolv.conf for nameserver changes
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CVMFS_ENFORCE_ACLS | Enforce POSIX ACLs stored in the repository. Requires libfuse 3.
@@ -50,14 +66,19 @@ CVMFS_EXTERNAL_FALLBACK_PROXY | List of HTTP proxies similar to ``CVMFS_EXTERN
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| and disable DIRECT connections.
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CVMFS_EXTERNAL_HTTP_PROXY Chain of HTTP proxy groups to be used when CernVM-FS is accessing external data
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CVMFS_EXTERNAL_MAX_SERVERS | Caps the list of external hosts to the given number (after geo-sorting them)
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+ CVMFS_EXTERNAL_METALINK Semi-colon-separated chain of RFC6249-compliant servers to locate webservers serving external data.
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CVMFS_EXTERNAL_TIMEOUT Timeout in seconds for HTTP requests to an external-data server with a proxy server
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CVMFS_EXTERNAL_TIMEOUT_DIRECT Timeout in seconds for HTTP requests to an external-data server without a proxy server
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CVMFS_EXTERNAL_URL Semicolon-separated chain of webservers serving external data chunks.
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CVMFS_FALLBACK_PROXY | List of HTTP proxies similar to ``CVMFS_HTTP_PROXY``. The fallback proxies are
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| added to the end of the normal proxies, and disable DIRECT connections.
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+ CVMFS_FUSE_NOTIFY_INVALIDATION | Disable fuse notify invalidation. By default disabled on macOS to fix stability issues.
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+ | On Linux systems, it is NOT recommended to turn it off.
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+ CVMFS_FUSE3_MAX_THREADS Set max number of fuse threads (requires: libfuse3 > 3.12)
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+ CVMFS_FUSE3_IDLE_THREADS Set max number of idle fuse threads (requires: libfuse3 > 3.12)
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CVMFS_FOLLOW_REDIRECTS When set to *yes *, follow up to 4 HTTP redirects in requests.
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CVMFS_HIDE_MAGIC_XATTRS If set to *yes * the client will not expose CernVM-FS specific extended attributes
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- CVMFS_HOST_RESET_AFTER See ``CVMFS_PROXY_RESET_AFTER ``.
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+ CVMFS_HOST_RESET_AFTER See ``CVMFS_PROXY_RESET_AFTER ``, for server URLs .
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CVMFS_HTTP_PROXY | Chain of HTTP proxy groups used by CernVM-FS. Necessary.
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| Set to ``DIRECT`` if you don't use proxies.
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CVMFS_HTTP_TRACING Activates that a tracing header is attached to each CURL request. Consists of ``uid ``, ``pid ``, and ``gid ``. Default is ``off ``.
@@ -73,18 +94,27 @@ CVMFS_INFLUX_HOST Host name or IP address of the receiver of the I
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CVMFS_INFLUX_METRIC_NAME Name of the measurement of the InfluxDB Telemetry Aggregator
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CVMFS_INFLUX_PORT Port of the host (receiver) of the InfluxDB Telemetry Aggregator
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CVMFS_IPFAMILY_PREFER Which IP protocol to prefer when connecting to proxies. Can be either 4 or 6.
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+ CVMFS_IPV4_ONLY If set to a non-empty value, CVMFS does not try to resolve IPv6 records.
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CVMFS_KCACHE_TIMEOUT Timeout in seconds for path names and file attributes in the kernel file system buffers.
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CVMFS_KEYS_DIR | Directory containing \*.pub files used as repository signing keys.
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| If set, this parameter has precedence over ``CVMFS_PUBLIC_KEY``.
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+ CVMFS_LIBRARY_PATH | For standalone deployment. Allows ``cvmfs2`` to discover libraries
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+ | ``libcvmfs_<...>.so`` that are not installed in one of standard search paths.
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CVMFS_LOW_SPEED_LIMIT Minimum transfer rate in bytes/second a server or proxy must provide.
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+ CVMFS_MAGIC_XATTRS_VISIBILITY | Allows to hide extended attributes to be listed. Options: ``always``, ``never``, ``rootonly``.
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+ | ``rootonly`` means that the listing can only be requested for ``/cvmfs/<repo>``. For any other file,
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+ | only a direct request to a specific extended attribute will work.
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CVMFS_MAX_EXTERNAL_SERVERS | Limit the number of (geo sorted) stratum 1 servers for external data
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| that are effectively used.
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CVMFS_MAX_IPADDR_PER_PROXY | Limit the number of IP addresses a proxy names resolves into.
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| From all registered addresses, up to the limit are randomly selected.
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CVMFS_MAX_RETRIES Maximum number of retries for a given proxy/host combination.
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CVMFS_MAX_SERVERS Limit the number of (geo sorted) stratum 1 servers that are effectively used.
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CVMFS_MAX_TTL Maximum file catalog TTL in minutes. Can overwrite the TTL stored in the catalog.
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- CVMFS_MEMCACHE_SIZE Size of the CernVM-FS metadata memory cache in Megabyte.
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+ CVMFS_MEMCACHE_SIZE Size of the CernVM-FS metadata memory cache in Megabytes.
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+ CVMFS_MOUNT_DIR Directory where CernVM-FS is mounted to. Default is ``/cvmfs `` and cannot be overwritten.
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+ CVMFS_METALINK_URL Semi-colon-separated chain of RFC6249-compliant servers to locate Stratum-1 servers.
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+ CVMFS_METALINK_RESET_AFTER See ``CVMFS_PROXY_RESET_AFTER ``, for metalink servers.
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CVMFS_MOUNT_RW | Mount CernVM-FS as a read/write file system. Write operations will fail
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| but this option can workaround faulty ``open()`` flags.
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CVMFS_NFILES Maximum number of open file descriptors that can be used by the CernVM-FS process.
@@ -124,12 +154,17 @@ CVMFS_SYSLOG_FACILITY | If set to a number between 0 and 7, uses the c
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| LOCAL$n$ facility for syslog messages.
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CVMFS_SYSLOG_LEVEL | If set to 1 or 2, sets the syslog level for CernVM-FS messages to
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| LOG_DEBUG or LOG_INFO respectively.
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+ CVMFS_SYSLOG_PREFIX Prefix for each CVMFS message in the syslog. By default it is the repo name.
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CVMFS_SYSTEMD_NOKILL | If set to *yes*, modify the command line to ``@vmfs2 ...`` in order to
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| act as a systemd lowlevel storage manager.
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+ CVMFS_TALK_SOCKET Internal usage. Used for ``cvmfs_talk ``. Default socket is ``/var/spool/cvmfs/<repo>/cvmfs_io ``.
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+ CVMFS_TALK_OWNER Internal usage. Used for ``cvmfs_talk ``. By default it is the repo owner.
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CVMFS_TELEMETRY_RATE Rate in seconds for Telemetry Aggregator to send the telemetry. Minimum send rate >= 5 sec.
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CVMFS_TELEMETRY_SEND ``ON `` to activate Telemetry Aggregator.
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CVMFS_TIMEOUT Timeout in seconds for HTTP requests with a proxy server.
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CVMFS_TIMEOUT_DIRECT Timeout in seconds for HTTP requests without a proxy server.
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+ CVMFS_TRACEBUFFER Internal usage. Max number of entries of the tracebuffer.
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+ CVMFS_TRACEBUFFER_THRESHOLD Internal usage. Flush treshold after how many entries the tracebuffer is flushed to file.
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CVMFS_TRACEFILE If set, enables the tracer and trace file system calls to the given file.
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CVMFS_USE_GEOAPI Request order of Stratum 1 servers and fallback proxies via Geo-API.
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CVMFS_USE_SSL_SYSTEM_CA | When connecting to an HTTPS endpoints,
@@ -180,6 +215,7 @@ CVMFS_CREATOR_VERSION | The CernVM-FS version that was used to cre
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| (do not change manually).
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CVMFS_DONT_CHECK_OVERLAYFS_VERSION | Disable checking of OverlayFS version before usage.
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| (see :ref:`sct_reporequirements`)
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+ CVMFS_ENABLE_MTIME_NS Use nanosecond-granularity for modification time of files (instead of milliseconds)
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CVMFS_ENFORCE_LIMITS | Set to *true* to cause exceeding \*LIMIT variables to be fatal to a publish
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| instead of a warning
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CVMFS_EXTENDED_GC_STATS | Set to *true* to keep track of the volume of garbage collected files (increases GC running time)
@@ -217,7 +253,7 @@ CVMFS_REPOSITORY_TYPE Defines if the repository is a master copy (
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CVMFS_REPOSITORY_TTL | The frequency in seconds of client lookups for changes in the repository.
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| Defaults to 4 minutes.
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CVMFS_ROOT_KCATALOG_LIMIT | Maximum thousands of files allowed in root catalogs, default 200
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- | (see also *CVMFS_NESTED_KCATALOG_LIMIT* and *CVMFS_ENFORCE_LIMITS*
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+ | (see also *CVMFS_NESTED_KCATALOG_LIMIT* and *CVMFS_ENFORCE_LIMITS*)
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CVMFS_SNAPSHOT_GROUP | Group name for subset of repositories used with ``cvmfs_server snapshot -a -g``.
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| Added with ``cvmfs_server add-replica -g``.
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CVMFS_SPOOL_DIR | Location of the upstream spooler scratch directories;
@@ -228,6 +264,7 @@ CVMFS_STRATUM0 URL of the master copy (*stratum0*) of this
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CVMFS_STRATUM1 URL of the Stratum1 HTTP server for this specific repository.
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CVMFS_SYNCFS_LEVEL | Controls how often ``sync`` will by called by ``cvmfs_server`` operations.
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| Possible levels are 'none', 'default', 'cautious'.
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+ CVMFS_S3_<param> S3-related parameters. See :ref: `S3 Parameter table <tab_s3confparameters >`
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CVMFS_UID_MAP Path of a file for the mapping of file owner user ids.
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CVMFS_UNION_DIR | Mount point of the union file system for copy-on-write semantics of CernVM-FS.
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| Here, changes to the repository are performed
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