Encrypting raid5 volume with geli
Michael Jung
mikej at paymentallianceintl.com
Fri Dec 12 10:06:23 PST 2008
FreeBSD charon.confluentasp.com 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE
#2: Thu Sep 4 12:06:08 EDT 2008
In the interest of this thread I tried to duplicate the problem. I
created:
10 drives:
D d9 State: up /dev/da9 A: 0/17366 MB
(0%)
D d8 State: up /dev/da8 A: 0/17366 MB
(0%)
D d7 State: up /dev/da7 A: 0/17366 MB
(0%)
D d6 State: up /dev/da6 A: 0/17366 MB
(0%)
D d5 State: up /dev/da5 A: 0/17366 MB
(0%)
D d4 State: up /dev/da4 A: 0/17366 MB
(0%)
D d3 State: up /dev/da3 A: 0/17366 MB
(0%)
D d2 State: up /dev/da2 A: 0/17366 MB
(0%)
D d1 State: up /dev/da1 A: 0/17366 MB
(0%)
D d0 State: up /dev/da0 A: 0/17366 MB
(0%)
1 volume:
V test State: up Plexes: 1 Size: 152
GB
1 plex:
P test.p0 R5 State: up Subdisks: 10 Size: 152
GB
10 subdisks:
S test.p0.s9 State: up D: d9 Size: 16
GB
S test.p0.s8 State: up D: d8 Size: 16
GB
S test.p0.s7 State: up D: d7 Size: 16
GB
S test.p0.s6 State: up D: d6 Size: 16
GB
S test.p0.s5 State: up D: d5 Size: 16
GB
S test.p0.s4 State: up D: d4 Size: 16
GB
S test.p0.s3 State: up D: d3 Size: 16
GB
S test.p0.s2 State: up D: d2 Size: 16
GB
S test.p0.s1 State: up D: d1 Size: 16
GB
S test.p0.s0 State: up D: d0 Size: 16
GB
Which I can newfs and mount
(root at charon) /etc# mount /dev/gvinum/test /mnt
(root at charon) /etc# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ad4s1a 357G 119G 209G 36% /
devfs 1.0K 1.0K 0B 100% /dev
172.0.255.28:/data/unix 1.3T 643G 559G 54% /nas1
/dev/gvinum/test 148G 4.0K 136G 0% /mnt
But with /dev/gvinum/test unmounted if I try:
(root at charon) /etc# geli init -P -K /root/test.key /dev/gvinum/test
geli: Cannot store metadata on /dev/gvinum/test: Operation not
permitted.
(root at charon) /etc#
My random file was created like
dd if=/dev/random of=/root/test.key bs=64 count=1
I use GELI at home with no trouble, although not with a gvinum volume.
--mikej
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