Hi.
System is snv_56 x86 32bit
bash-3.00# zpool status solaris
pool: solaris
state: ONLINE
scrub: scrub stopped with 0 errors on Thu Mar 22 16:25:23 2007
config:
NAME STATE READ WRITE CKSUM
solaris ONLINE 0 0 0
c0t1d0 ONLINE 0 0 0
errors: No known data errors
bash-3.00#
bash-3.00# zfs list
NAME USED AVAIL REFER MOUNTPOINT
solaris 11.7G 5.02G 3.27G /solaris
solaris/d100 1.64G 5.02G 1.64G /solaris/d100
solaris/[EMAIL PROTECTED] 0 - 1.64G -
solaris/[EMAIL PROTECTED] 0 - 1.64G -
solaris/d100-copy 12.0M 5.02G 12.0M /solaris/d100-copy
solaris/d100-copy1 1.31G 5.02G 1.31G /solaris/d100-copy1
solaris/d101 348M 5.02G 15.3M /solaris/d101
solaris/[EMAIL PROTECTED] 333M - 348M -
solaris/[EMAIL PROTECTED] 0 - 15.3M -
solaris/d101-copy 15.3M 5.02G 15.3M /solaris/d101-copy
solaris/testws 5.13G 5.02G 5.13G /export/testws/
bash-3.00#
File systems solaris/d100 and solaris/d100-copy1 contain the same data.
bash-3.00# ls -l /solaris/d100 | wc -l
163
bash-3.00# ls -l /solaris/d100-copy1 | wc -l
163
bash-3.00#
bash-3.00# gtar cvf /solaris/2.tar /solaris/d100-copy1
bash-3.00# gtar cvf /solaris/1.tar /solaris/d100
bash-3.00# ls -l /solaris/1.tar
-rw-r--r-- 1 root other 1755699200 Mar 22 16:15 /solaris/1.tar
bash-3.00# ls -l /solaris/2.tar
-rw-r--r-- 1 root other 1755699200 Mar 22 16:19 /solaris/2.tar
bash-3.00#
bash-3.00# zdb -v solaris/d100 >/tmp/1
bash-3.00# zdb -v solaris/d100-copy1 >/tmp/2
bash-3.00# diff -u /tmp/1 /tmp/2
--- /tmp/1 Thu Mar 22 16:41:52 2007
+++ /tmp/2 Thu Mar 22 16:41:57 2007
@@ -1,7 +1,7 @@
-Dataset solaris/d100 [ZPL], ID 189, cr_txg 779704, 1.64G, 807 objects
+Dataset solaris/d100-copy1 [ZPL], ID 128, cr_txg 831226, 1.31G, 807 objects
Object lvl iblk dblk lsize asize type
- 0 7 16K 16K 416K 242K DMU dnode
+ 0 7 16K 16K 416K 239K DMU dnode
1 1 16K 512 512 1K ZFS master node
2 1 16K 512 512 1K ZFS delete queue
3 1 16K 10.5K 10.5K 4K ZFS directory
@@ -807,5 +807,5 @@
806 1 16K 66.5K 66.5K 66.5K ZFS plain file
807 1 16K 67.5K 67.5K 67.5K ZFS plain file
808 1 16K 24.5K 24.5K 24.5K ZFS plain file
- 809 3 16K 128K 1.58G 1.58G ZFS plain file
+ 809 3 16K 128K 1.58G 1.24G ZFS plain file
bash-3.00#
bash-3.00# find /solaris/d100-copy1/ -inum 809 -ls
809 1304748 -rw-r--r-- 1 root other 1692205056 Mar 22 16:05
/solaris/d100-copy1/m1
bash-3.00# find /solaris/d100/ -inum 809 -ls
809 1652825 -rw-r--r-- 1 root other 1692205056 Mar 22 16:05
/solaris/d100/m1
bash-3.00# diff -b /solaris/d100/m1 /solaris/d100-copy1/m1
bash-3.00#
While lsize is the same for both files asize is smaller fr the second one.
Why is it? When is is possible? Both file systems have compression turned off
and default recordsize. Diff claims both files to be the same.
Any idea?
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