Date: Sun, 2 May 2004 16:10:16 -0400 From: Don Bowman <don@sandvine.com> To: 'Scott Long' <scottl@freebsd.org>, Don Bowman <don@sandvine.com> Cc: "'current@freebsd.org'" <current@freebsd.org> Subject: RE: question about growfs, aac raid, enlarging by adding disks Message-ID: <FE045D4D9F7AED4CBFF1B3B813C85337045D8C11@mail.sandvine.com>
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From: Scott Long [mailto:scottl@freebsd.org]
> Don Bowman wrote:
>
> > this is perhaps a naive question, but i
> > couldn't find the answer.
> >
> > if i have e.g. a 3-disk raid5 using aac,
> > and i add another disk, can i increase the
> > size of the logical disk using the aac bios
> > (or ideally aacli), and then use growfs to
> > increase the size of the filesystem? Can
> > this be done if i obey some restrictions,
> > e.g. resize the last filesystem on the partition?
> >
> > I would like to boot from the array, have swap
> > on it, and have a large partition that uses
> > the remainder of the space. I'm assuming i would
> > lay it out so that it goes root first, then
> > swap, then the large filesystem.
> >
> > The adaptec raid bios seems to indicate i can
> > grow by adding a drive, but only under windows.
> > The manual for it has no mention of this. The
> > datasheet also indicates i can increase size
> > 'on the fly'.
> >
>
> aaccli will let you increase the size of the container.
> If you are using Windows, then there is magic that will
> resize the partition table and the NTFS and/or FAT
> filesystems. I can't remember if the magic is in the
> driver, aaccli, or firmware, but it definitely only
> applies to FAT and NTFS _filesystems_. Growing the
> container is done in the firmware and is independent
> of the filesystems, MBR/slice table, etc.
The 'container extend volume' command doesn't exist
in aaccli, the manual indicates its only for windows.
There is 'container reconfigure', i suppose that might be
the right command?
However, when i try it, i get an error that there is not
enough space on the specified device, as below.
AAC0> container list
Executing: container list
Num Total Oth Stripe Scsi Partition
Label Type Size Ctr Size Usage C:ID:L Offset:Size
----- ------ ------ --- ------ ------- ------ -------------
0 Volume 410GB Open 0:00:0 64.0KB: 136GB
/dev/aacd0 v 0:02:0 64.0KB: 136GB
0:03:0 64.0KB: 136GB
AAC0> disk list
Executing: disk list
C:ID:L Device Type Blocks Bytes/Block Usage Shared Rate
------ -------------- --------- ----------- ---------------- ------ ----
0:00:0 Disk 286749610 512 Initialized NO 320
0:02:0 Disk 286749610 512 Initialized NO 320
0:03:0 Disk 286749610 512 Initialized NO 320
0:04:0 Disk 286749610 512 Initialized NO 320
AAC0> container reconfigure 0 4
Executing: container reconfigure 0 (ID=4)
Command Error: <The specified operation failed because there was not enough
space on the specified device.>
AAC0>
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