[CentOS] RAID?
John R Pierce
pierce at hogranch.com
Mon Jun 25 20:59:51 UTC 2012
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
More information about the CentOS
mailing list