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e8753fb4f0
Relying on an /etc/hostid file which is installed in the system image breaks diskless systems which share an image. Certain cluster infrastructure such as MPI relies on all nodes having a unique hostid. However, we still must be careful to ensure the hostid is syncronized between the initramfs and system images when using zfs root filesystems. To accompish this the automatically created /etc/hostid file has been removed from the spl rpm packaging. The /etc/hostid file is now dynamically created for your initramfs as part of the dracut install process. This avoids the need to install it in the actual system images. This change also resolves the spl_hostid parameter handling for dracut. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #398 Closes #399 Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
56 lines
1.1 KiB
Bash
Executable File
56 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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check() {
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# We depend on udev-rules being loaded
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[ "$1" = "-d" ] && return 0
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# Verify the zfs tool chain
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which zpool >/dev/null 2>&1 || return 1
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which zfs >/dev/null 2>&1 || return 1
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return 0
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}
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depends() {
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echo udev-rules
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return 0
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}
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installkernel() {
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instmods zfs
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instmods zcommon
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instmods znvpair
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instmods zavl
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instmods zunicode
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instmods spl
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instmods zlib_deflate
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instmods zlib_inflate
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}
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install() {
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inst_rules @udevruledir@/90-zfs.rules
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inst_rules @udevruledir@/60-zpool.rules
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inst_rules @udevruledir@/60-zvol.rules
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inst @sysconfdir@/zfs/zdev.conf
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inst @sysconfdir@/zfs/zpool.cache
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dracut_install @sbindir@/zfs
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dracut_install @sbindir@/zpool
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dracut_install @bindir@/zpool_layout
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dracut_install @udevdir@/zpool_id
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dracut_install @udevdir@/zvol_id
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dracut_install mount.zfs
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dracut_install hostid
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inst_hook cmdline 95 "$moddir/parse-zfs.sh"
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inst_hook mount 98 "$moddir/mount-zfs.sh"
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# Synchronize initramfs and system hostid
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TMP=`mktemp`
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AA=`hostid | cut -b 1,2`
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BB=`hostid | cut -b 3,4`
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CC=`hostid | cut -b 5,6`
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DD=`hostid | cut -b 7,8`
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printf "\x$DD\x$CC\x$BB\x$AA" >$TMP
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inst_simple "$TMP" /etc/hostid
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rm "$TMP"
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}
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