#Write error saving DB on disk: No space left on device

[Pavan Varyani]

Hi,

I see some intermittent errors in "/var/log/redis/redis-server.log"

856881:C 11 Jul 2022 20:13:41.149 # Write error saving DB6619:M 11 Jul 2022 20:13:41.251 # Background saving error
6619:M 11 Jul 2022 20:13:47.050 * 100 changes in 300 seconds. Saving...
6619:M 11 Jul 2022 20:13:47.052 * Background saving started by pid 856957
856957:C 11 Jul 2022 20:13:47.238 # Write error saving DB on disk: No space left on device

the size of dump.rdp  is 3.8MB which is located in /var/lib/redis

performing a df -h /  the output  is :
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda2        49G   19G   28G  40% /

We see available memory is 28GB, am is missing something here?

[Anthony LaTorre]

Could be you've run out of inodes. Do you have a lot of very small
files on your disk? You can check with:

$ df -i

I think

Tony

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[Kunal Gangakhedkar]

Another possibility could be a different partition mounted on /var?

Can you check for "df -ah /var"?

Some linux distributions create separate partitions for /usr, /var etc. during installation.

Kunal

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