Re: [lustre-discuss] "no space on device"

2020-03-19 Thread Andreas Dilger
On Mar 19, 2020, at 12:56, Lana Deere mailto:lana.de...@gmail.com>> wrote: The MDT shows 6% of storage in use and 9% of inodes in use. The OST, however, shows 46% of storage and 100% of inodes in use (12 free). (There is only one OST on this particular file system.) I suppose if a lot of

Re: [lustre-discuss] "no space on device"

2020-03-19 Thread Feng Zhang
you may need to delete more files, and wait for a while for MDS gets updated. Best, Feng On Thu, Mar 19, 2020 at 2:56 PM Lana Deere wrote: > The MDT shows 6% of storage in use and 9% of inodes in use. The OST, > however, shows 46% of storage and 100% of inodes in use (12 free). (There > is

Re: [lustre-discuss] "no space on device"

2020-03-19 Thread Lana Deere
The MDT shows 6% of storage in use and 9% of inodes in use. The OST, however, shows 46% of storage and 100% of inodes in use (12 free). (There is only one OST on this particular file system.) I suppose if a lot of files are deleted, the system will recover, but then I'm not sure why I couldn't

Re: [lustre-discuss] "no space on device"

2020-03-19 Thread Degremont, Aurelien
Hi Lana, Lustre dispatches the data across several servers, MDTs and OSTs. It is likely that one of this OST is full. To see the usage per sub-component, you should check: lfs df -h lfs df -ih See if this reports one OSTs or MDT is full. Aurélien De : lustre-discuss au nom de Lana Deere

[lustre-discuss] "no space on device"

2020-03-19 Thread Lana Deere
I have a Lustre 2.12 setup running on CentOS 7. It has been working fine for some months but last night one of my users tried to untar a large file, which (among other things) created a single directory containing several million subdirectories. At that point the untar failed, reporting "no