update

linux/iscsi.md

@@ -0,0 +1,14 @@
+# iscsi
+
+
+
+```bash
+sudo apt-get install open-iscsi
+sudo iscsiadm -m discovery -t sendtargets -p 10.*.*.*
+# 挂载
+sudo iscsiadm -m node -T iqn.2000-01.com.synology:NAS01.Target-4.f41596f93f -p 10.*.*.* -l
+# 卸载iscsi卷
+sudo iscsiadm -m node -T iqn.2000-01.com.synology:NAS01.Target-4.f41596f93f -p 10.*.*.* -u
+```
+
+sudo dd if=/dev/sdb of=/dev/sdd count=322122547200 bs=1M iflag=count_bytes,direct oflag=direct

linux/lvm_recover.md

@@ -0,0 +1,3 @@
+# lvm_recover
+
+https://www.golinuxcloud.com/recover-lvm2-partition-restore-vg-pv-metadata/