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--- misc:fedmsetpres [2015/11/05 08:48]
tschulz [zfsrep.sh]
+++ misc:fedmsetpres [2015/11/05 09:02]
tschulz [Pool Geom, 4TB,]
@@ Line 1: / Line 1: @@
-====== /etc/sysctl.conf ======
-<file bash>
-# $FreeBSD: releng/10.1/etc/sysctl.conf 112200 2003-03-13 18:43:50Z mux $
-#
-#  This file is read when going to multi-user and its contents piped thru
-#  ``sysctl'' to adjust kernel values.  ``man 5 sysctl.conf'' for details.
-#
-# Uncomment this to prevent users from seeing information about processes that
+====== Actual Server ======
-# are being run under another UID.
+{{:misc:aaaq65864-02_1_.pdf|Server Quote}}
-#security.bsd.see_other_uids=0
+===== Important Features =====
-hw.acpi.power_button_state=NONE
+  * **Use a lot of SAS Drives** (12 2.5 1GB 7200 Drives in current server)
-sysctl vfs.zfs.l2arc_noprefetch=0
+  * **Get about 2GB of RAM for every TB** of storage (32GB in current server)
-sysctl vfs.zfs.l2arc_write_max=26214400
+  * **Raid controllers slow down ZFS** down use a Host Bus Adapter (LSI 9201 lsi-sas-9201-16 in current server, supports up to 16 drives)
-sysctl vfs.zfs.l2arc_write_boost=52428800
-</file>
-====== zfsrep.sh ======
-<file bash>
-#!/bin/sh
-pool="tank/vol2"
+====== Pool Geom, 4TB, 492 IOPS ======
-destination="tank"
-host="192.168.113.2"
-today=`date +"$type%Y-%m-%d"`
-yesterday=`date -v -1d +"$type%Y-%m-%d"`
-# create today snapshot
-snapshot_today="$pool@$today"
-# look for a snapshot with this name
-if zfs list -H -o name -t snapshot | sort | grep "$snapshot_today$" > /dev/null; then
-        echo " snapshot, $snapshot_today, already exists"
-        exit 1
-else
-        echo " taking todays snapshot, $snapshot_today"
-        zfs snapshot -r $snapshot_today
-fi
-# look for yesterday snapshot
-#snapshot_yesterday="$pool@$yesterday"
-</file>
-====== Pool Geom ======
 <file>
 zpool status
@@ Line 102: / Line 68: @@
 -------------  -----  -----  -----  -----  -----  -----
 </file>
+===== /etc/sysctl.conf =====
+<file bash>
+# $FreeBSD: releng/10.1/etc/sysctl.conf 112200 2003-03-13 18:43:50Z mux $
+#
+#  This file is read when going to multi-user and its contents piped thru
+#  ``sysctl'' to adjust kernel values.  ``man 5 sysctl.conf'' for details.
+#
+# Uncomment this to prevent users from seeing information about processes that
+# are being run under another UID.
+#security.bsd.see_other_uids=0
+hw.acpi.power_button_state=NONE
+sysctl vfs.zfs.l2arc_noprefetch=0
+sysctl vfs.zfs.l2arc_write_max=26214400
+sysctl vfs.zfs.l2arc_write_boost=52428800
+</file>
@@ Line 151: / Line 135: @@
 tank/vol1@2015-01-26  5.93G      -  2.70T  -
 tank/vol1@2015-01-27      0      -  2.70T  -
+</file>
+===== ZFS Rep Scripts =====
+<file bash zfsrep.sh>
+#!/bin/sh
+pool="tank/vol2"
+destination="tank"
+host="192.168.113.2"
+today=`date +"$type%Y-%m-%d"`
+yesterday=`date -v -1d +"$type%Y-%m-%d"`
+# create today snapshot
+snapshot_today="$pool@$today"
+# look for a snapshot with this name
+if zfs list -H -o name -t snapshot | sort | grep "$snapshot_today$" > /dev/null; then
+        echo " snapshot, $snapshot_today, already exists"
+        exit 1
+else
+        echo " taking todays snapshot, $snapshot_today"
+        zfs snapshot -r $snapshot_today
+fi
+# look for yesterday snapshot
+#snapshot_yesterday="$pool@$yesterday"
+</file>
+<file bash clean_snaps.sh>
+#`date -v -1d +"$type%Y-%m-%d"`
+pool="zvol1/vol1"
+# iterate i from 15 to 62
+# any snapshot older than 2 weeks (14 days) or (15-62 days) old is deleted
+for i in 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
+do
+        CLEANDATE=`date -v -${i}d +"$type%Y-%m-%d"`
+        CLEAN_SNAP="${pool}@${CLEANDATE}"
+        #echo $CLEAN_SNAP
+        if zfs list -H -o name -t snapshot | sort | grep "$CLEAN_SNAP" > /dev/null;
+        then
+                zfs destroy -r $CLEAN_SNAP
+        fi
+done
 </file>

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