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authorPavel Zakharov <[email protected]>2019-07-17 18:33:05 -0400
committerBrian Behlendorf <[email protected]>2019-07-17 15:33:05 -0700
commit26b60474691ad4bdb91f61b667819e22aabc202f (patch)
tree268a5e17012042c2b7d444b212c2293997ffaced /man
parentd64dd3b62a5411e628ce59b11fe50ba848d12ffc (diff)
New service that waits on zvol links to be created
The zfs-volume-wait.service scans existing zvols and waits for their links under /dev to be created. Any service that depends on zvol links to be there should add a dependency on zfs-volumes.target. By default, this target is not enabled. Reviewed-by: Fabian Grünbichler <[email protected]> Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: loli10K <[email protected]> Reviewed-by: John Gallagher <[email protected]> Reviewed-by: George Wilson <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Pavel Zakharov <[email protected]> Closes #8975
Diffstat (limited to 'man')
-rw-r--r--man/man1/Makefile.am2
-rw-r--r--man/man1/zvol_wait.121
2 files changed, 22 insertions, 1 deletions
diff --git a/man/man1/Makefile.am b/man/man1/Makefile.am
index bd78be145..2af917fa5 100644
--- a/man/man1/Makefile.am
+++ b/man/man1/Makefile.am
@@ -1,4 +1,4 @@
-dist_man_MANS = zhack.1 ztest.1 raidz_test.1
+dist_man_MANS = zhack.1 ztest.1 raidz_test.1 zvol_wait.1
EXTRA_DIST = cstyle.1
install-data-local:
diff --git a/man/man1/zvol_wait.1 b/man/man1/zvol_wait.1
new file mode 100644
index 000000000..0366da537
--- /dev/null
+++ b/man/man1/zvol_wait.1
@@ -0,0 +1,21 @@
+.Dd July 5, 2019
+.Dt ZVOL_WAIT 1 SMM
+.Os Linux
+.Sh NAME
+.Nm zvol_wait
+.Nd Wait for ZFS volume links in
+.Em /dev
+to be created.
+.Sh SYNOPSIS
+.Nm
+.Sh DESCRIPTION
+When a ZFS pool is imported, ZFS will register each ZFS volume
+(zvol) as a disk device with the system. As the disks are registered,
+.Xr \fBudev 7\fR
+will asynchronously create symlinks under
+.Em /dev/zvol
+using the zvol's name.
+.Nm
+will wait for all those symlinks to be created before returning.
+.Sh SEE ALSO
+.Xr \fBudev 7\fR