Google Compute Engine – No Space Left on Device After Adding Persistence Storage

debiangoogle-compute-enginelinux

I am new to Google Cloud. I was downloaded a few text files into the VM instance. I then suddenly started getting messages like 

bash: cannot create temp file for here-document: No space left on device

I ran the df -h and found that my disk was being used 100%

/dev/sdb        9.8G  9.3G     0 100% /

I searched about it and figured that I might need to add more persistence storage.

I followed the instructions here -> https://cloud.google.com/compute/docs/disks/add-persistent-disk

Now when I run the df -h I see that the new storage is added (usage is 1%)

/dev/sdc         20G   45M   20G   1% /mnt/disks/disk2

When I run lsblk, I get:

NAME   MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda      8:0    0  10G  0 disk 
└─sda1   8:1    0  10G  0 part /
sdc      8:32   0  20G  0 disk /mnt/disks/disk2

However, I am still getting the same error with No space left on device. I have restarted the VM. Kindly help.

P.S. VM -> Debian 4.9.65-3+deb9u2 (2018-01-04) x86_64

Best Answer

I agreed with roaima, you need to increase the size of your existing boot disk to solve this issue. After you resize the disk, you must resize the file system so that the operating system can access the additional space. Boot disks use MBR partitions, which are limited to 2 TB in size. Do not resize boot disks beyond 2 TB.

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