Enterprise Edition Home |
Express Edition Home |
Previous Page | Next Page Appendix B. onstat Command Reference >
Use the -d option
to display information for chunks in each storage space. You can interpret
output from this option as follows. The first section of the display describes
the storage spaces:
- address
- Is the address of the storage space in the shared-memory space table
- number
- Is the unique ID number of the storage
space assigned at creation
- flags
- Uses the following hexadecimal values to describe each storage space:
- 0x00000000
- Mirror not allowed and dbspace is unmirrored
- 0x00000001
- Mirror is allowed and dbspace is unmirrored
- 0x00000002
- Mirror is allowed and dbspace is mirrored
- 0x00000004
- Down
- 0x00000008
- Newly mirrored
- 0x00000010
- Blobspace
- 0x00000020
- Blobspace on removable media
- 0x00000040
- Blobspace is on optical media
- 0x00000080
- Blobspace is dropped
- 0x00000100
- Blobspace is the optical STAGEBLOB
- 0x00000200
- Space is being recovered
- 0x00000400
- Space is fully recovered
- 0x00000800
- Logical log is being recovered
- 0x00001000
- Table in dbspace is dropped
- 0x00002000
- Temporary dbspace
- 0x00004000
- Blobspace is being backed up
- 0x00008000
- Sbspace
- 0x0000a001
- Temporary sbspace
- 0x00010000
- Physical or logical log changed
- 0x00020000
- Dbspace or chunk tables have changed
- fchunk
- Is the ID number of the first chunk
- nchunks
- Is the number of chunks in the storage space
- flags
- Uses the following letter codes to describe each storage space:
- Position
1:
-
- M
- Mirrored
- N
- Not Mirrored
- Position 2:
-
- R
- Being recovered
- P
- Physically recovered, waiting for P -- logical recovery
- L
- Being logically recovered
- X
- Newly mirrored
- D
- Disabled
- Position 3:
-
- B
- Blobspace
- S
- Sbspace
- T
- Temporary dbspace
- Position 4:
-
- B
- Has big chunks (IDS)
- owner
- Is the owner of the storage space
- name
- Is the name of the storage space
The line immediately following the storage-space list includes
the number of active spaces (the current number of dbspaces in the
database server instance including the rootdbs) and the number of
total spaces.
Active spaces refers to the current number
of storage spaces in the database server instance including the
rootdbs. Total refers to total allowable spaces
for this database server instance.
The second section of the onstat -d output
describes the chunks:
- address
- Is the address of the chunk
- chk/dbs
- Is the chunk number and the associated space number
- offset
- Is the offset into the file or raw device in pages
- size
- Is the size of the chunk in page
- free
- Is the number of free pages in the chunk for a dbspace
For a blobspace, a tilde indicates an approximate number of free blobpages.
For an sbspace, indicates the number of free pages of user data space
and total user data space.
- bpages
- Is the size of the chunk in blobpages
Blobpages can be larger than disk pages; therefore, the bpages value
can be less than the size value.
For an sbspace, is the size of the chunk in sbpages
- flags
- Provides the chunk status information as follows:
- Position
1:
-
- P
- Primary
- M
- Mirror
- Position 2:
-
- O
- Online
- D
- Down
- X
- Newly mirrored
- I
- Inconsistent
- R
- Being recovered
- N
- Renamed and either down or inconsistent (IDS)
- Position 3:
-
- -
- Dbspace
- B
- Blobspace
- S
- Sbspace
- Position 4:
-
- B
- Big chunk (IDS)
- pathname
- Is the pathname of the physical device
The line immediately following the chunk list displays the number
of active chunks (including the root chunk) and the total number
of chunks.
For information on how to solve problems indicated by flags in
position 2 of both the storage space and chunk sections, see Monitoring Restores.
Enterprise Edition Home |
Express Edition Home |
[ Top of Page | Previous Page | Next Page | Contents |
Index ]