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ORA-1578 Block overwritten with string "DiskDescription cyl alt hd sec" when using Symantec / Veritas (Doc ID 1313454.1)

Last updated on DECEMBER 16, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 8.0.6.0 to 11.2.0.4 [Release 8.0.6 to 11.2]
Information in this document applies to any platform.

Symptoms

NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the
Oracle sample schema(s), Public Documentation delivered with an Oracle database product or other training material. Any similarity to actual
environments, actual persons, living or dead, is purely coincidental and not intended in any manner.

ORA-1578 reporting a physical block corruption due to checksum error as the block has been overwritten with strings like "<Disk Description> cyl <xx> alt <yy> hd <zz> sec <ss>" when using Symantec / Veritas:

Example of the string in a datafile taken from IBM XIV disks:

"IBM-2810XIV-10.2 cyl 65516 alt 2 hd 1 sec 60944"


Example from Linux:

"VxVMDISK cyl 23 alt 2 hd 30 sec 540"


Example with EMC:

"EMC-SYMMETRIX-58 74 cyl 37286 alt 2 hd 30 sec 128"



DBVERIFY reports it with error:  "Bad check value found during dbv".

The hexadecimal Oracle block dump in the trace file shows the invalid strings inside the block.  This is an example taken from an IBM File System:

111D98200 49424D2D 32383130 5849562D 31302E32 [IBM-2810XIV-10.2]
111D98210 2063796C 20363535 31362061 6C742032 [ cyl 65516 alt 2]
111D98220 20686420 31207365 63203630 39343400 [ hd 1 sec 60944.]

...
111D98400 49424D2D 32383130 5849562D 31302E32 [IBM-2810XIV-10.2]
111D98410 2063796C 20363535 31362061 6C742032 [ cyl 65516 alt 2]
111D98420 20686420 31207365 63203630 39343400 [ hd 1 sec 60944.]


From a Linux system:

2AD495D00200 082D4DF8 2D0A0F2D 4D567856 4B534944  [.M-.-..-VxVMDISK]
2AD495D00210 6C796320 20333220 20746C61 64682032  [ cyl 23 alt 2 hd]
2AD495D00220 20303320 20636573 00303435 00000000  [ 30 sec 540.....]


Example with EMC:

1105F7400 5678564D 4449534B 00000B4C 00000002 [VxVMDISK...L....]
...
1105F7600 454D432D 53594D4D 45545249 582D3538 [EMC-SYMMETRIX-58]
1105F7610 37342063 796C2033 37323836 20616C74 [74 cyl 37286 alt]
1105F7620 20322068 64203330 20736563 20313238 [ 2 hd 30 sec 128]


Additional example:

2B832EE16200 4F4C5145 2D434947 45303031 2D30302D [EQLOGIC-100E-00-]
2B832EE16210 20302E35 206C7963 31353536 6C612033 [5.0 cyl 65513 al]
2B832EE16220 20322074 31206468 63657320 32313520 [t 2 hd 1 sec 512]
2B832EE16230 00003038 00000000 00000000 00000000 [80..............]
2B832EE16240 00000000 00000000 00000000 00000000 [................]

Changes

Disks have been installed using Symantec / Veritas

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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