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 create any files after deleting a few.
Is there any way to increase the number of inodes on the OST without losing the data currently on the filesystem? .. Lana ([email protected]) On Thu, Mar 19, 2020 at 2:13 PM Degremont, Aurelien <[email protected]> wrote: > 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 <[email protected]> au nom de > Lana Deere <[email protected]> > *Date : *jeudi 19 mars 2020 à 19:08 > *À : *"[email protected]" <[email protected]> > *Objet : *[EXTERNAL] [lustre-discuss] "no space on device" > > > > *CAUTION*: This email originated from outside of the organization. Do not > click links or open attachments unless you can confirm the sender and know > the content is safe. > > > > 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 > space on device". All attempts to create a file on this Lustre system now > produce the same error message, but "df" and "df -i" indicate there is > plenty of space and inodes left. I checked the mount point on the metadata > node and it appears to have plenty of space left too. > > > > I can list directories and view files on this filesystem. I can delete > files or directories on it. But even after removing a few files and a > directory I cannot create a new file. > > > > If anyone can offer some help here it would be appreciated. > > > .. Lana ([email protected]) > >
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