[Firebird-docs] [FirebirdSQL/firebird-documentation] 521ee7: Update of nbackup documentation (#12)

[Alexey K. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/FirebirdSQL/firebird-documentation
  Commit: 521ee76d782ca3ee9581691e2e217c13bd302cc0
      https://github.com/FirebirdSQL/firebird-documentation/commit/521ee76d782ca3ee9581691e2e217c13bd302cc0
  Author: Alexey Kovyazin <su...@ib...>
  Date:   2020-07-25 (Sat, 25 Jul 2020)

  Changed paths:
    M src/docs/asciidoc/en/firebirddocs/gfix/firebird-gfix.adoc
    M src/docs/asciidoc/en/firebirddocs/nbackup/firebird-nbackup.adoc

  Log Message:
  -----------
  Update of nbackup documentation (#12)

Update firebird-nbackup.adoc and firebird-gfix 

* Update firebird-nbackup.adoc

Added paragraph about nbackup and virtual machines

added example of Firebird nbackup with non-standard port, added paragraph about VM backups and Firebird, and several small changes/clarification.

* firebird-gfix 

changes in gfix -buffers description

Update of values and limitations, clarification of behavior

Fixes in Database Page Space Utilisation description