Differences

This shows you the differences between two versions of the page.

--- ubuntu:disk:ramdisk:persisting_ramdisk_data [2021/06/22 11:06] – peter
+++ ubuntu:disk:ramdisk:persisting_ramdisk_data [2021/06/22 11:18] (current) – [Test] peter
@@ Line 1: / Line 1: @@
 ====== Ubuntu - Disk - Ramdisk - Persisting Ramdisk Data ======
-A Ramdisk will usually lose all data within it when turned off, or upon a reboot.
+A Ramdisk is a temporary storage device.
-The approach is:
+When the computer is shutdown all the data within the Ramdisk is erased.
+To ensure this data is retained, the approach taken here is:
   * Save Ramdisk data to hard drive on system shutdown.
@@ Line 9: / Line 11: @@
 <WRAP info>
-**NOTE:**  The directory where the Ramdisk is mounted and where the backup data will be saved must have the same file permissions.
+**NOTE:**  The syncing from the Ramdisk to the hard disk and vice-versa will be slow, but at least the data will be stored permanently.
+  * In essence, the Ramdisk acts here as a cache.
 </WRAP>
@@ Line 49: / Line 54: @@
 WantedBy=multi-user.target
 </file>
+<WRAP info>
+**NOTE:**  The directory where the Ramdisk is mounted and where the backup data will be saved must have the same file permissions.
+</WRAP>
 ----
@@ Line 96: / Line 106: @@
 Copy some files to the Ramdisk /mnt/ramdisk.
-Reboot again
+Reboot again.
 Check again the contents of both the /mnt/ramdisk and /mnt/ramdisk_backup directories.