On 06/25/12 1:10 PM, Alexander Dalloz wrote: >> they really should be better integrated, like the way LVM and JFS are >> >integrated on AIX. >> > >> > # chfs -a size=+2G /var >> > >> >adds 2GB to /var, online, automatically. grows the logical volume and >> >resizes the file system, all at once. > Don't know where software RAID comes into play on AIX, but what is the > difference of that command above to this one on CentOS 6? > > # lvresize -L+2G -r VG_sys/LV_var software raid in AIX is handled by the LVM layer, and if the LV is configured for mirroring ('copies=2'), then the resized LV will also be mirrored. does lvresize resize the file system while online? I didn't think it did. the man page for fsadm (referenced in the lvresize man page) says ext2/3/4 is unmounted before resizing. ooops. kind of hard to umount /var ! -- john r pierce N 37, W 122 santa cruz ca mid-left coast