vollogcnvt man page on DigitalUNIX

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vollogcnvt(8)							 vollogcnvt(8)

       vollogcnvt  -  Logical  Storage	Manager	 BCL-to-DRL logging conversion

       /usr/sbin/vollogcnvt [-g diskgroup]

       Limits the conversion of logging subdisks to volumes in	the  specified
       disk group.

       The  vollogcnvt utility is a migration tool for Logical Storage Manager
       (LSM) administrators who are using the Block-Change Logging (BCL)  fea‐
       ture.  In the Version 5.0 release of Tru64 UNIX, the BCL feature of LSM
       was replaced with the Dirty-Region Logging (DRL) feature.

       The vollogcnvt utility attempts to convert volumes with BCL enabled  to
       volumes	with  DRL  enabled. If called without specifying a disk group,
       vollogcnvt attempts the BCL-to-DRL conversion for  all  volumes	across
       all disk groups.

       If logging cannot be re-enabled in the DRL scheme, a message is sent to
       the console.

       For volumes whose BCL subdisks will not work in the DRL scheme, logging
       is disabled.

       Log subdisks that cannot be converted to DRL are dissociated from their
       volumes only if at least one of the log subdisks for the volume is con‐
       verted.	 Otherwise,  the  configuration does not change and logging is
       disabled. Volumes that cannot be converted, for	example,  because  all
       their log subdisks are too small, will have logging disabled.

       At  system  startup, the vollogcnvt utility runs automatically and logs
       errors to binlog and sends mail to root. This happens  at  each	reboot
       until the DRL is manually converted or when logging is disabled. If the
       utility runs at startup or manually, a message is sent to the console.

       For details and guidelines on using DRL, refer to the  Logical  Storage
       Manager guide.

       Commands: binlogd(8)

       Other: volintro(8)


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