I forgot to ask, is setting reserved % to 0 is safe on Lustre filesysytem?
On 25 November 2010 19:15, Wojciech Turek <[email protected]> wrote: > I am trying to reclaim the default 5% of reserved disk space on Lustre > filesystem following procedure describe in the Lustre manual (chapter > 23.3.10). File system is in use and I would like to avoid any downtime. > > [r...@oss17 ~]# tune2fs -m 1 /dev/sdg > tune2fs 1.41.12.2.ora1 (14-Aug-2010) > tune2fs: MMP: device currently active while trying to open /dev/sdg > > I understand it is the MMP flag which prevent tune2fs to access the device, > is there a way to work around this or is my only option to umount OSTs (eek, > downtime) > > Best regards, > > Wojciech >
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