October 24, 20214 yr Hello, I'm new here. I started using the armbian OS 2 days ago, and I'm facing some problems when running some web-server transfers due to lack of space on /tmp. By default /tmp is mounted on RAM, and due to low space many operations fails. How can I mount the /tmp on the Disk/SD card? ### Some details ### Tried commenting out the line on /etc/fstab ( didn't work ) #tmpfs /tmp tmpfs defaults,nosuid 0 0 Tried to disable it from the systemclt ( didn't work ) sudo systemctl mask tmp.mount Searched on armbian-config , didn't found anything related. df -h /tmp Filesystem Size Used Avail Use% Mounted on /dev/zram2 477M 60K 442M 1% /tmp uname -a Linux orpi-s1 5.10.60-sunxi64 #21.08.1 SMP Wed Aug 25 18:29:57 UTC 2021 aarch64 GNU/Linux Any help would be appreciated. Thank you.
October 24, 20214 yr Rather try tweaking ZRAM in /etc/defaults/armbian-zram Set: ZRAM_PERCENTAGE=150 (or more) MEM_LIMIT_PERCENTAGE=20 at minimum You don't want to use SD card for /tmp ... if above won't work, you are using wrong hardware for the job. 3 hours ago, Akhilleus Uggo said: ### Some details ### Usually equals nothing.
November 2, 20214 yr Author Not sure why I wasn't able to answer before ( limit posts ), but this solution only stresses the CPU. I did make the change, now it's showing as 2.88G of swap, but the TMP folder size remains the same. Same issue with /var/log , gets full and I'm forced to manually delete data. dpkg: cannot write to log file '/var/log/dpkg.log': No space left on device The lack of customizing the dir sizes or removing them completely from the ram it's an issue. Maybe I'll just completely remove zram, and install it again the way I want it. As for the Debug : http://ix.io/3DEH
November 2, 20214 yr Author Thank you Sr, that fixed my issue after reboot. 9 hours ago, Werner said: Did you check /etc/default/armbian-ramlog ? as for Igor answer, On 10/24/2021 at 8:42 PM, Igor said: ZRAM_PERCENTAGE=150 (or more) MEM_LIMIT_PERCENTAGE=20 at minimum he pointed at other lines that didn't fix my issue, but related; I was looking for this specific line: # Size for zram based /tmp, total memory / 2 by default TMP_SIZE=1000M The description maybe misleading, or doesn't work as expected. After increasing the Zram Swap size, the TMP folder didn't automatically increased to "total memory / 2 by default". I had to change it manually. Thank you. My issue has been solved.
May 10, 20233 yr You could set ENABLED=false in /etc/default/armbian-zram-config and setup zram manually if needed (refer to man zramctl or google for it) I use a USB attached SSD as boot device instead of an SD card on almost all my standalone minis and I don't want /tmp or /var/log vanish upon reboot. Even on older devices, you can always run your system from a USB disk by loading the boot stuff from the SD card and then move on with the USB drive. To do that, just adapt the disk ids in /boot/armbianEnv.txt and /etc/fstab (=>blkid) If you just want to disable /tmp to be on zram have a look at /usr/lib/armbian/armbian-zram-config and eventually adapt it for your needs. Edited May 10, 20233 yr by armdran
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