diff options
Diffstat (limited to 'man/man7/zfsprops.7')
-rw-r--r-- | man/man7/zfsprops.7 | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/man/man7/zfsprops.7 b/man/man7/zfsprops.7 index 0b7711da8..1f6ffb59e 100644 --- a/man/man7/zfsprops.7 +++ b/man/man7/zfsprops.7 @@ -192,7 +192,8 @@ and .It Sy guid The 64 bit GUID of this dataset or bookmark which does not change over its entire lifetime. -When a snapshot is sent to another pool, the received snapshot has the same GUID. +When a snapshot is sent to another pool, the received snapshot has the same +GUID. Thus, the .Sy guid is suitable to identify a snapshot across pools. @@ -259,7 +260,8 @@ this opaque token can be provided to to resume and complete the .Nm zfs Cm receive . .It Sy redact_snaps -For bookmarks, this is the list of snapshot guids the bookmark contains a redaction +For bookmarks, this is the list of snapshot guids the bookmark contains a +redaction list for. For snapshots, this is the list of snapshot guids the snapshot is redacted with respect to. @@ -798,7 +800,8 @@ Controls the compression algorithm used for this dataset. .Pp When set to .Sy on -(the default), indicates that the current default compression algorithm should be used. +(the default), indicates that the current default compression algorithm should +be used. The default balances compression and decompression speed, with compression ratio and is expected to work well on a wide variety of workloads. Unlike all other settings for this property, @@ -861,7 +864,8 @@ is equivalent to .Pp The .Sy zstd -compression algorithm provides both high compression ratios and good performance. +compression algorithm provides both high compression ratios and good +performance. You can specify the .Sy zstd level by using the value @@ -916,7 +920,8 @@ after compression, otherwise the compression will not be considered worthwhile and the block saved uncompressed. Note that when the logical block is less than 8 times the disk sector size this effectively reduces the necessary compression -ratio; for example, 8 KiB blocks on disks with 4 KiB disk sectors must compress to 1/2 +ratio; for example, 8 KiB blocks on disks with 4 KiB disk sectors must compress +to 1/2 or less of their original size. .It Xo .Sy context Ns = Ns Sy none Ns | Ns @@ -1040,7 +1045,7 @@ file system. The default value is .Sy legacy . Setting this property to a value other than -.Sy legacy No requires the Sy large_dnode No pool feature to be enabled. +.Sy legacy No requires the Sy large_dnode No pool feature to be enabled . .Pp Consider setting .Sy dnodesize @@ -1063,7 +1068,7 @@ if you need to receive a send stream of this dataset on a pool that doesn't enable the .Sy large_dnode feature, or if you need to import this pool on a system that doesn't support the -.Sy large_dnode No feature. +.Sy large_dnode No feature . .Pp This property can also be referred to by its shortened column name, .Sy dnsize . @@ -1132,14 +1137,16 @@ is selected ZFS will ask for the key at the command prompt when it is required to access the encrypted data (see .Nm zfs Cm load-key for details). -This setting will also allow the key to be passed in via the standard input stream, +This setting will also allow the key to be passed in via the standard input +stream, but users should be careful not to place keys which should be kept secret on the command line. If a file URI is selected, the key will be loaded from the specified absolute file path. If an HTTPS or HTTP URL is selected, it will be GETted using .Xr fetch 3 , -libcurl, or nothing, depending on compile-time configuration and run-time availability. +libcurl, or nothing, depending on compile-time configuration and run-time +availability. The .Sy SSL_CA_CERT_FILE environment variable can be set to set the location @@ -1499,7 +1506,8 @@ future releases. When set to .Sy some , ZFS stores an extra copy of only critical metadata. -This can improve file create performance since less metadata needs to be written. +This can improve file create performance since less metadata +needs to be written. If a single on-disk block is corrupt, at worst a single user file can be lost. .Pp When set to @@ -1642,7 +1650,8 @@ LDAP- or .Xr smbpasswd 5 Ns -based ) by default. This means that any additional access control -(disallow specific user specific access etc) must be done on the underlying file system. +(disallow specific user specific access etc) must be done on the underlying file +system. .It Sy sharenfs Ns = Ns Sy on Ns | Ns Sy off Ns | Ns Ar opts Controls whether the file system is shared via NFS, and what options are to be used. |