Hello. This is my first post onto the list, so please correct me if
this is not the correct place.
The situation is I currently have a machine running gmirror RAID1 on two
36GB disks. That's all fine and dandy, except that those disks are
running out of space (temporarily alleviated through an NFS mount to
another machine). What I'd really like to do is upsize the disks on
that machine so that it ended with two 73GB disks.
The machine only has two drive bays.
Does anyone have ideas on how to do this, with minimal downtime and ease?
Here's the existing partition scheme for disk da0, which is part of the
gm0 mirror:
Part Mount Size Newfs Part
da0sa1 / 512MB UFS2 Y
da0s1b swap 4096MB SWAP
da0s1d /var 4787MB UFS2+S Y
da0s1e /tmp 512MB UFS2+S Y
da0s1f /usr 6144MB UFS2+S Y
da0s1g /web 18675MB UFS2+S Y
The goal would be a result that adds the new space into the /web
partition, or creates a new /web2 partition if adding into the the
existing partition is not possible. So something like (noting /web size
is not exact below):
Part Mount Size Newfs Part
da0sa1 / 512MB UFS2 Y
da0s1b swap 4096MB SWAP
da0s1d /var 4787MB UFS2+S Y
da0s1e /tmp 512MB UFS2+S Y
da0s1f /usr 6144MB UFS2+S Y
da0s1g /web 48675MB UFS2+S Y
What I've done so far is to forget da1 from the gm0 mirror, restart, and
put the 73GB into drive bay two. But now I'm at bit lost at the process
to follow to achieve my desired result. I'm thinking something like
fdisk, bsdlabel, newfs on the new da1 73GB drive. Then dd or
dump/restore from da0/gm0 to da1. Then shutdown, remove the 36GB da0,
put in the second 73GB drive, boot and them get gmirror to sync things
from the 73GB drive.
I need assistance on how to issue those commands properly to achieve
this result.
I have a test machine I can do this on, so I will continue to learn/play
in the meantime.
Thanks,
Charles Uchu
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