On 2012-06-25, John R Pierce pierce@hogranch.com wrote:
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 /varadds 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_vardoes 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 !
My man page for fsadm (CentOS 6) implies that you need to provide -e in order for fsadm to umount an ext? filesystem before attempting the resize. So in theory if you don't give -e it should resize while mounted.
--keith