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--- linux:zfs [2024/05/01 06:27] – [Linux ZFS] admin
+++ linux:zfs [2025/02/05 12:49] (current) – [ZFS - notification] admin
@@ Line 1: / Line 1: @@
 ====== Linux ZFS ======
+https://lepkov.ru/zfs-cheatsheet/ backup https://habr.com/ru/companies/macloud/articles/547056/ \\
 <https://denisbondar.github.io/post/zfs-manual-rus/> - manual <https://xakep.ru/2014/07/08/zfs-at-home/#toc07.> old one\\
 <code BASH>
@@ Line 10: / Line 11: @@
     │   └── vm-100-disk-1-part1 -> ../../../zd0p1
     └── swap -> ../../zd16
+zfs get all rpool/data/subvol-111-disk-1  | grep com
+zfs set compression=off rpool/data/subvol-111-disk-1
 zfs get compressratio
@@ Line 59: / Line 63: @@
 </code>
 ++++
+===== ZFS - notification =====
+++++ telegram notification zfs|
+<code BASH>
+ # https://github.com/leovp/telegram_notifications
+nano /etc/zfs/zed.d/zed-telegram.sh
+#!/bin/bash
+TELEGRAM_BOT_TOKEN="righttoken" # put your token here
+TELEGRAM_CHAT_ID="chatid" # your chat_id for sending notification
+subject="$1"
+details="$2"
+MESSAGE="🚨 ZFS Alert on $(hostname) 🚨
+Event: $subject
+Details:
+$details"
+curl -s -X POST "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage" \
+     -d "chat_id=$TELEGRAM_CHAT_ID" \
+     -d "text=$MESSAGE"
+chmod +x /etc/zfs/zed.d/zed-telegram.sh
+# zed-functions.sh Modified zed_notify function
+zed_notify()
+{
+    zed_notify_email "${subject}" "${pathname}"; rv=$?
+    [ "${rv}" -eq 0 ] && num_success=$((num_success + 1))
+    [ "${rv}" -eq 1 ] && num_failure=$((num_failure + 1))
+    # Execute external Telegram script if it exists
+    if [ -x "/etc/zfs/zed.d/zed-telegram.sh" ]; then
+        /etc/zfs/zed.d/zed-telegram.sh "${subject}" "$(cat "${pathname}")"; rv=$?
+        [ "${rv}" -eq 0 ] && num_success=$((num_success + 1))
+        [ "${rv}" -eq 1 ] && num_failure=$((num_failure + 1))
+    fi
+}
+</code>
+++++
+===== ZFS backup =====
+<code bash>
+# create file  20 gb
+dd if=/dev/zero of=/mnt/sdb3/zpool_test bs=1G count=20
+# create pool on file
+zpool create test /mnt/sdb3/zpool_test
+# send data replication to local  system
+ zfs send -vR rpool@snap1 | zfs receive  test -F
+# send data of zpool to file
+zfs send -vR rpool@snap1 > /mnt/pve/backup/zfs-pve-rpool-20240624.backup
+# recieve
+zfs receive rpool < /mnt/pve/backup/zfs-pve-rpool-20240624.backup
+zpool attach rpool nvme-512GB_SSD_NJM358R015419P70GX-part3 ata-SPCC_Solid_State_Disk_AA230918S351201018-part3
+zpool remove rpool /mnt/sdb3/zpool_mirror1_1
+</code>
+===== ZFS monitoring =====
+https://blog.roberthallam.org/2022/09/monitoring-zfs-with-influxdb-grafana-publishing-and-reflection-part-5/ \\
+https://github.com/richardelling/zpool_influxdb \\