Mercurial > hgrepos > FreeBSD > ports > sysutils > local-bsdtools

annotate etc/periodic/daily/750.local-trim-zfs @ 392:68e3fce18202

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FIX: daily_local_trim_zfs_default_threshold must be set always
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 23 Feb 2023 21:59:01 +0100
parents 84d2735fe7f6
children 1ccd7bf1ed06
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/bin/sh
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2 #
386
84d2735fe7f6 Simplified version tagging a lot: it is also faster now.
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3 # # @(#)@@SIMPLEVERSIONTAG@@
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4 #
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5 # Heavily inspired (aka "copied") from /etc/periodic/daily/800.scrub-zfs
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6 #
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7
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8 # If there is a global system configuration file, suck it in.
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9 #
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10
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11 newline="
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12 " # A single newline
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13
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14 if [ -r /etc/defaults/periodic.conf ]
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15 then
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16 . /etc/defaults/periodic.conf
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17 source_periodic_confs
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18 fi
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19
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20 : ${daily_local_trim_zfs_enable:=NO}
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21 : ${daily_local_trim_zfs_pools=}
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22 : ${daliy_local_trim_zfs_default_threshold:=35}
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23 # \${daily_local_trim_zfs_$(echo "${pool}"|tr ".:-" "_")_threshold}
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24
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25 case "$daily_local_trim_zfs_enable" in
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26 [Yy][Ee][Ss])
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27 echo
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28 echo 'TRIM of zfs pools:'
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29
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30 if [ -z "${daily_local_trim_zfs_pools}" ]; then
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31 daily_local_trim_zfs_pools="$(zpool list -H -o name)"
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32 fi
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33
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34 rc=0
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35 for pool in ${daily_local_trim_zfs_pools}; do
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36 # sanity check
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37 _status=$(zpool list "${pool}" 2> /dev/null)
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38 if [ $? -ne 0 ]; then
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39 rc=2
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40 echo " WARNING: pool '${pool}' specified in"
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41 echo " '/etc/periodic.conf:daily_local_trim_zfs_pools'"
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42 echo " does not exist"
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43 continue
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44 fi
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45 _status=${_status##*$newline}
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46 case ${_status} in
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47 *FAULTED*)
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48 rc=3
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49 echo "Skipping faulted pool: ${pool}"
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50 continue ;;
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51 *UNAVAIL*)
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52 rc=4
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53 echo "Skipping unavailable pool: ${pool}"
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54 continue ;;
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55 esac
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56
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57 # determine how many days shall be between trums
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58 eval _pool_threshold=\${daily_local_trim_zfs_$(echo "${pool}"|tr ".:-" "_")_threshold}
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59 if [ -z "${_pool_threshold}" ]; then
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60 _pool_threshold=${daliy_local_trim_zfs_default_threshold}
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61 fi
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62
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63 _last_local_trim=$(zpool history ${pool} | \
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64 egrep "^[0-9\.\:\-]{19} zpool trim( -w)? ${pool}\$" | tail -1 |\
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65 cut -d ' ' -f 1)
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66 if [ -z "${_last_local_trim}" ]; then
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67 # creation time of the pool if no trim was done
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68 _last_local_trim=$(zpool history ${pool} | \
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69 sed -ne '2s/ .*$//p')
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70 fi
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71 if [ -z "${_last_local_trim}" ]; then
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72 echo " skipping TRIM of pool '${pool}':"
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73 echo " can't get last TRIM date"
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74 continue
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75 fi
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76
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77 # Now minus last trim (both in seconds) converted to days.
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78 _local_trim_diff=$(expr -e \( $(date +%s) - \
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79 $(date -j -v -70M -f %F.%T ${_last_local_trim} +%s) \) / 60 / 60 / 24)
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80 if [ ${_local_trim_diff} -lt ${_pool_threshold} ]; then
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81 echo " skipping TRIM of pool '${pool}':"
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82 echo " last TRIM is ${_local_trim_diff} days ago, threshold is set to ${_pool_threshold} days"
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83 continue
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84 fi
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85
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86 # Check general pool status (as in scrub-zfs)
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87 _status="$(zpool status ${pool} | grep scan:)"
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88 case "${_status}" in
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89 *"scrub in progress"*)
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90 echo " scrubbing of pool '${pool}' in progress, skipping:"
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91 continue
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92 ;;
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93 *"resilver in progress"*)
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94 echo " resilvering of pool '${pool}' is in progress, skipping:"
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95 continue
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96 ;;
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97 *)
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98 # VOID
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99 ;;
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100 esac
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101
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102 # Check whether a trim is already running
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103 _status="$(zpool status ${pool} | fgrep trimming)"
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104 case "${_status}" in
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105 *\(trimming\)*)
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106 echo " TRIM of pool '${pool}' already in progress, skipping:"
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107 ;;
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108 *)
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109 echo " starting TRIM of pool '${pool}':"
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110 zpool trim -w ${pool}
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111 [ $rc -eq 0 ] && rc=1
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112 ;;
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113 esac
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114 done
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115 ;;
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116
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117 *)
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118 rc=0
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119 ;;
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120 esac
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121
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122 exit $rc