Strange filesize after export/import
2006-07-28 02:21:48
Hi,
we are just testing the migration of a TSM 5.1.9.5 (AIX 4.3)
to a TSM 5.2.7.2 (AIX 5.2).
So far everything seems OK, policies and data were exported and
imported just fine, but I noticed a discrepancy in the file sizes
shown in a select from contents for ALL files (data are from a ContenManager)!
This is an example:
On the old TSM
tsm: ECKWAND>select * from contents where file_name='/MC_ARCHIV_PO4_1/
MC_ARCHIV_PO4_1AKKDBJHB.DMD'
VOLUME_NAME: /tivoli1/stgpool/archiv_po4_1_file01
NODE_NAME: ARCHIV_PO
TYPE: Bkup
FILESPACE_NAME: /OBJRZ/FRN/ADSM/192.168.126.134/MC_ARCHIV_PO4_1
FILE_NAME: /MC_ARCHIV_PO4_1/ MC_ARCHIV_PO4_1AKKDBJHB.DMD
AGGREGATED: No
FILE_SIZE: 56210
SEGMENT:
CACHED: No
FILESPACE_ID: 6
FILESPACE_HEXNAME:
FILE_HEXNAME:
After the import on the new TSM:
tsm: TEST-KANDEL>select * from contents where file_name='/MC_ARCHIV_PO4_1/
MC_ARCHIV_PO4_1AKKDBJHB.DMD'
VOLUME_NAME: /usr/local/tsm/server2/data/apo4_01
NODE_NAME: ARCHIV_PO
TYPE: Bkup
FILESPACE_NAME: /OBJRZ/FRN/ADSM/192.168.126.134/MC_ARCHIV_PO4_1
FILE_NAME: /MC_ARCHIV_PO4_1/ MC_ARCHIV_PO4_1AKKDBJHB.DMD
AGGREGATED: 124/256
FILE_SIZE: 11195180
SEGMENT:
CACHED: No
FILESPACE_ID: 1
FILESPACE_HEXNAME:
FILE_HEXNAME:
Note the difference in FILE_SIZE: 56210 vs. 11195180! This seems strange!
And what does the difference in the field AGGREGATED mean (No vs. 124/256)?
Interestingly enough, I can restore the object from the new TSM and inspect
it in a viewer (it's a TIFF) just fine.
The dsmc query shows it as:
tsm> query backup
"/OBJRZ/FRN/ADSM/192.168.126.134/MC_ARCHIV_PO4_1//MC_ARCHIV_PO4_1/MC_ARCHIV_PO4_1AKKDBJHB.DMD"
Size Backup Date Mgmt Class A/I File
---- ----------- ---------- --- ----
API 55,858 B 03/25/01 00:11:12 MC_ARCHIV_ A
/OBJRZ/FRN/ADSM/192.168.126.134/MC_ARCHIV_PO4_1/MC_ARCHIV_PO4_1/MC_ARCHIV_PO4_1AKKDBJHB.DMD
Another thing is puzzeling me: the blank in the filename in the "select", which
is not
appearing in the "query backup" result.
Any hints?
TIA
Andreas
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