zfs diff deadlock
Peter Jeremy
peter at rulingia.com
Fri Nov 16 22:35:54 UTC 2012
On 2012-Nov-14 07:27:30 +1100, Peter Jeremy <peter at server.rulingia.com> wrote:
>On head, I get some normal differences terminated by:
>Unable to determine path or stats for object 2128453 in tank/beckett/home at 20120518: Invalid argument
I've done some more digging and got the following. Does it make sense
for an object that is a "ZFS plain file" to have another "ZFS plain
file" as a parent? It doesn't sound right to me.
root at FB10-64:~ # zdb -vvv tank/beckett/home at 20120518 2128453
Dataset tank/beckett/home at 20120518 [ZPL], ID 605, cr_txg 8379, 143G, 2026419 objects, rootbp DVA[0]=<0:266a0efa00:200> DVA[1]=<0:31b07fbc00:200> [L0 DMU objset] fletcher4 lzjb LE contiguous unique double size=800L/200P birth=8375L/8375P fill=2026419 cksum=1acdb1fbd9:93bf9c61e94:1b35c72eb8adb:389743898e4f79
Object lvl iblk dblk dsize lsize %full type
2128453 1 16K 1.50K 1.50K 1.50K 100.00 ZFS plain file
264 bonus ZFS znode
dnode flags: USED_BYTES USERUSED_ACCOUNTED
dnode maxblkid: 0
path ???<object#2128453>
uid 1000
gid 1000
atime Fri Mar 23 16:34:52 2012
mtime Sat Oct 22 16:13:42 2011
ctime Sun Oct 23 21:09:02 2011
crtime Sat Oct 22 16:13:42 2011
gen 2237174
mode 100444
size 1089
parent 2242171
links 1
pflags 40800000004
xattr 0
rdev 0x0000000000000000
root at FB10-64:~ # zdb -vvv tank/beckett/home at 20120518 2242171
Dataset tank/beckett/home at 20120518 [ZPL], ID 605, cr_txg 8379, 143G, 2026419 objects, rootbp DVA[0]=<0:266a0efa00:200> DVA[1]=<0:31b07fbc00:200> [L0 DMU objset] fletcher4 lzjb LE contiguous unique double size=800L/200P birth=8375L/8375P fill=2026419 cksum=1acdb1fbd9:93bf9c61e94:1b35c72eb8adb:389743898e4f79
Object lvl iblk dblk dsize lsize %full type
2242171 3 16K 128K 25.4M 25.5M 100.00 ZFS plain file
264 bonus ZFS znode
dnode flags: USED_BYTES USERUSED_ACCOUNTED
dnode maxblkid: 203
path /jashank/Pictures/sch/pdm-a4-11/stereo-pair-2.png
uid 1000
gid 1000
atime Fri Mar 23 16:41:53 2012
mtime Mon Oct 24 21:15:56 2011
ctime Mon Oct 24 21:15:56 2011
crtime Mon Oct 24 21:15:37 2011
gen 2286679
mode 100644
size 26625731
parent 7001490
links 1
pflags 40800000004
xattr 0
rdev 0x0000000000000000
root at FB10-64:~ # zdb -vvv tank/beckett/home at 20120518 7001490
Dataset tank/beckett/home at 20120518 [ZPL], ID 605, cr_txg 8379, 143G, 2026419 objects, rootbp DVA[0]=<0:266a0efa00:200> DVA[1]=<0:31b07fbc00:200> [L0 DMU objset] fletcher4 lzjb LE contiguous unique double size=800L/200P birth=8375L/8375P fill=2026419 cksum=1acdb1fbd9:93bf9c61e94:1b35c72eb8adb:389743898e4f79
Object lvl iblk dblk dsize lsize %full type
7001490 1 16K 512 1K 512 100.00 ZFS directory
264 bonus ZFS znode
dnode flags: USED_BYTES USERUSED_ACCOUNTED
dnode maxblkid: 0
path /jashank/Pictures/sch/pdm-a4-11
uid 1000
gid 1000
atime Thu May 17 03:38:32 2012
mtime Mon Oct 24 21:15:37 2011
ctime Mon Oct 24 21:15:37 2011
crtime Fri Oct 14 22:17:44 2011
gen 2088407
mode 40755
size 6
parent 6370559
links 2
pflags 40800000144
xattr 0
rdev 0x0000000000000000
microzap: 512 bytes, 4 entries
stereo-pair-2.png = 2242171 (type: Regular File)
stereo-pair-2.xcf = 7002074 (type: Regular File)
stereo-pair-1.xcf = 7001512 (type: Regular File)
stereo-pair-1.png = 2241802 (type: Regular File)
root at FB10-64:~ #
--
Peter Jeremy
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