Thanks for the pointer. AFAIK there are no clones involved. The output
of "zdb -d p0" is below. I found no differences with that and the output
of the "zfs list" command.
r...@onix# zdb -d p0 | egrep 'p0\/home'|sort
Dataset p0/home [ZPL], ID 33, cr_txg 432, 69.7G, 192681 objects
Dataset p0/h...@s1 [ZPL], ID 243, cr_txg 98656, 50.3G, 126890 objects
Dataset p0/h...@s10 [ZPL], ID 379, cr_txg 953857, 81.5G, 181690 objects
Dataset p0/h...@s11 [ZPL], ID 168, cr_txg 2387300, 65.5G, 240164 objects
Dataset p0/h...@s12 [ZPL], ID 172, cr_txg 2439246, 69.1G, 192176 objects
Dataset p0/h...@s2 [ZPL], ID 245, cr_txg 104759, 50.4G, 127646 objects
Dataset p0/h...@s3 [ZPL], ID 266, cr_txg 192029, 104G, 171386 objects
Dataset p0/h...@s4 [ZPL], ID 268, cr_txg 194369, 104G, 171395 objects
Dataset p0/h...@s5 [ZPL], ID 394, cr_txg 721173, 73.4G, 159843 objects
Dataset p0/h...@s6 [ZPL], ID 434, cr_txg 777147, 75.3G, 169093 objects
Dataset p0/h...@s7 [ZPL], ID 281, cr_txg 830390, 75.5G, 171919 objects
Dataset p0/h...@s8 [ZPL], ID 285, cr_txg 833206, 75.6G, 172117 objects
Dataset p0/h...@s9 [ZPL], ID 373, cr_txg 948755, 81.5G, 181397 objects
I'm new to this and I'm trying to prevent loss of personal data :-)
Could it be that the 87.6G of snapshot data is in a dead branch? Have
you ever seen similar reports?
For completeness; here's the story. p0 is a mirror of 2x320G 2.5" HD's.
I send/recvd all filesystems from p0 to p1. When this was finished I
noticed that p1 used 87.6G less space than p0. The origin of this
allocation seems to be in the home filesystem but I can't find any
reference to it.
Any pointers appreciated!
Joost
On 6-12-2010 17:54, Edward Ned Harvey wrote:
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Joost Mulders
This tells me that *86,7G* is used by *snapshots* of this filesystem.
However, when I look at the space allocation of the snapshots, I don't
see the 86,7G back!
jo...@onix$ zfs list -t snapshot -o space | egrep 'NAME|^p0\/home'
NAME AVAIL USED USEDSNAP USEDDS USEDREFRESERV USEDCHILD
p0/h...@s1 - 62.7M - - - -
The sum of the USED column is only some 3,6G, so the question is "to
what is the 86,7G of USEDSNAP allocated?" Ghost snapshots?
Actually, maybe.
Did you look for clones too, or just snapshots? And temporary clones? You
might have more luck with
zdb -d p0
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