LVM\u306eSnapshot\u3092\u6bce\u65e5\u81ea\u52d5\u3067\u53d6\u5f97\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u7269\u7406\u30c7\u30a3\u30b9\u30af\u306e\u4f7f\u7528\u91cf\u3092\u6700\u5c0f\u9650\u304b\u3064\u8ca0\u8377\u3092\u6700\u5c0f\u9650\u306b\u3059\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u66f8\u3044\u3066\u307f\u305f\u3002\u66dc\u65e5\u3067\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u306e\u30677\u4e16\u4ee3\u306f\u4fdd\u7ba1\u3055\u308c\u307e\u3059\u3002
\n
\n#!\/bin\/sh
\nexport LANG=C
\nSOURCE_LVS=”\/dev\/datavg\/data_lv \/dev\/datavg\/home_lv”
\nSUFFIX=`date +%a`
\nLOG=\/root\/scripts\/backup.log
\necho “— Script Start `date` —” >>$LOG 2>&1
\nsync;sync;sync
\nfor LV in ${SOURCE_LVS}
\ndo
\nMP=`echo ${LV}_${SUFFIX} |sed -e “s\/\\\/\/__\/g”`
\n#STEP01: Unmounting previous snapshot
\necho “STEP01: umount \/snapshot\/${MP}” >>$LOG 2>&1
\numount \/snapshot\/${MP} >>$LOG 2>&1
\n#STEP02: Remove previous snapshot
\necho “STEP02: lvdisplay -c ${LV}_${SUFFIX}” >>$LOG 2>&1
\nlvdisplay -c ${LV}_${SUFFIX} >>$LOG 2>&1
\nif [ $? -eq 0 ]
\nthen
\necho “STEP02.01: lvremove -f ${LV}_${SUFFIX}” >>$LOG 2>&1
\nlvremove -f ${LV}_${SUFFIX} >>$LOG 2>&1
\nfi
\n#STEP03: Create snapshot
\nEXT_SIZE=`lvdisplay -c ${LV}|awk -F: ‘{printf(“%d\\n”,$8 \/ 10)}’`
\necho “STEP03: lvcreate -l ${EXT_SIZE} -n ${LV}_${SUFFIX} -s ${LV}” >>$LOG 2>&1
\nlvcreate -l ${EXT_SIZE} -n ${LV}_${SUFFIX} -s ${LV} >>$LOG 2>&1
\n#STEP04: Mounting snapshot
\nif [ ! -d \/snapshot\/${MP} ]
\nthen
\necho “STEP04.01:mkdir -p \/snapshot\/${MP}” >>$LOG 2>&1
\nmkdir -p \/snapshot\/${MP} >>$LOG 2>&1
\nfi
\necho “STEP04.02:mount ${LV}_${SUFFIX} -o ro \/snapshot\/${MP}” >>$LOG 2>&1
\nmount ${LV}_${SUFFIX} -o ro \/snapshot\/${MP} >>$LOG 2>&1
\ndone
\necho “— Script End `date` —” >>$LOG 2>&1
\n#rotate log
\nmv ${LOG} ${LOG}.tmp
\ntail -500000 ${LOG}.tmp >${LOG}
\nrm -f ${LOG}.tmp
\n<\/PRE>
\n\u5b9f\u884c\u3059\u308b\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u30677\u4e16\u4ee3\u5206\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3067\u53c2\u7167\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u308f\u3002TIMEFINDER\u3068\u304bFLASHCOPY\u3082\u3069\u304d\u3063\u3066\u3084\u3064\uff1f\uff1f
\n
\n\/dev\/mapper\/datavg-home_lv
\n79G 20G 56G 27% \/home
\n\/dev\/mapper\/datavg-data_lv
\n552G 487G 37G 94% \/home\/data
\n\/dev\/mapper\/datavg-data_lv_Sat
\n552G 487G 37G 94% \/snapshot\/__dev__datavg__data_lv_Sat
\n\/dev\/mapper\/datavg-home_lv_Sat
\n79G 20G 56G 27% \/snapshot\/__dev__datavg__home_lv_Sat
\n<\/PRE>
\n\u3057\u304b\u3057\u30012.6.32.7\u306e\u30ab\u30fc\u30cd\u30eb\u306e\u30d0\u30b0\u306b\u30d2\u30c3\u30c8\u3057\u305f\u3089\u3057\u304f\u3001\u540c\u4e00\u306eLV\u304b\u3089\u8907\u6570\u306eSnapshot\u3092\u5207\u308a\u51fa\u305d\u3046\u3068\u3059\u308b\u3068\u30ab\u30fc\u30cd\u30eb\u304c\u6b7b\u306c\u3002
\n\u7d50\u5c40\u3001SUFFIX\u3092\u66dc\u65e5\u3067\u306f\u306a\u304f\u56fa\u5b9a\u306b\u3057\u30661\u4e16\u4ee3\u306e\u307f\u306b\u3059\u308b\u3057\u304b\u306a\u3044\u7f60\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"LVM\u306eSnapshot\u3092\u6bce\u65e5\u81ea\u52d5\u3067\u53d6\u5f97\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u7269\u7406\u30c7\u30a3\u30b9\u30af\u306e\u4f7f\u7528\u91cf\u3092\u6700\u5c0f\u9650\u304b\u3064\u8ca0\u8377\u3092\u6700\u5c0f\u9650\u306b\u3059\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u66f8\u3044\u3066\u307f\u305f\u3002\u66dc\u65e5\u3067\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u306e\u30677\u4e16\u4ee3\u306f\u4fdd\u7ba1\u3055\u308c\u307e\u3059\u3002 #!\/bin\/sh ex […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4098","post","type-post","status-publish","format-standard","hentry","category-1"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4098"}],"version-history":[{"count":0,"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4098\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.taruki.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}