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79593b0dec
ZFS requires a stable hostid to recognize foreign pool imports,
but the hostid of a Linux system can change if the /etc/hostid
file is missing, particularly during DHCP lease updates.
Ensure that the system hostid is stable by creating the
/etc/hostid file from the output of the /usr/bin/hostid utility.
The /sbin/genhostid utility that is provided by the initscripts
package is not used because it creates a random hostid, which
breaks upgrades on systems that already have the SPL module
installed.
The external `printf` is used because the dash builtin lacks
the byte format. Conveniences like a ${HOSTID:$ii:2} substring
range or a `sed` one-liner are similarly avoided.
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|---|---|---|
| cmd | ||
| config | ||
| include | ||
| lib | ||
| module | ||
| patches | ||
| scripts | ||
| .gitignore | ||
| AUTHORS | ||
| autogen.sh | ||
| ChangeLog | ||
| configure | ||
| configure.ac | ||
| COPYING | ||
| DISCLAIMER | ||
| INSTALL | ||
| Makefile.am | ||
| Makefile.in | ||
| META | ||
| README.markdown | ||
| spl_config.h.in | ||
| spl-modules.spec.in | ||
| spl.spec.in | ||
The Solaris Porting Layer (SPL) is a Linux kernel module which provides many of the Solaris kernel APIs. This shim layer makes it possible to run Solaris kernel code in the Linux kernel with relatively minimal modification. This can be particularly useful when you want to track upstream Solaris development closely and don’t want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.
To build packages for your distribution:
$ ./configure
$ make pkg
Full documentation for building, configuring, and using the SPL can be found at: http://zfsonlinux.org