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NAME

mddb.cf - metadevice state database
replica locations
 

SYNOPSIS

/etc/lvm/mddb.cf 

DESCRIPTION

The /etc/lvm/mddb.cf file is created when the metadb(1M) command is invoked. You should never directly edit this file.

The file /etc/lvm/mddb.cf is used by the metainit(1M) command to find the locations of the metadevice state databases replicas. The metadb command creates the file and updates it each time it is run. Similar information is entered in the /kernel/drv/md.conf file.

Each metadevice state database replica has a unique entry in the /etc/lvm/mddb.cf file. Each entry contains the driver and minor unit numbers associated with the block physical device where a replica is stored. Each entry also contains the block number of the master block, which contains a list of all other blocks in the replica.

Entries in the /etc/lvm/mddb.cf file are of the form: driver_name minor_t daddr_t checksum where driver_name and minor_t represent the device number of the physical device storing this replica. daddr_t is the disk block address. checksum is used to make certain the entry has not been corrupted. A pound sign (#) introduces a comment.  

EXAMPLES

Example 1 Sample File

The following example shows a mddb.cf file.

#metadevice database location file do not hand edit
#driver minor_t daddr_t device id       checksum
sd      152     16      id1,sd@SSEAGATE_JDD288110MC9LH/a        -2613

In the example above, the value for daddr_t indicates that the offset from the start of a given partition is 16 disk blocks from the start of that partition.

FILES

/etc/lvm/mddb.cf

/kernel/drv/md.conf

SEE ALSO

mdmonitord(1M), metaclear(1M), metadb(1M), metadetach(1M), metahs(1M), metainit(1M), metaoffline(1M), metaonline(1M), metaparam(1M), metarecover(1M), metarename(1M), metareplace(1M), metaroot(1M), metassist(1M), metaset(1M), metastat(1M), metasync(1M), metattach(1M), md.cf(4), md.tab(4), attributes(5), md(7D)

Solaris Volume Manager Administration Guide

Index

NAME

SYNOPSIS

DESCRIPTION

EXAMPLES

FILES

SEE ALSO

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