Acopia Networks 810-0044-00 Manual de instalación descargar pdf (Pagina 235)

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101

Adding a Managed Volume

Adding a Share

CLI Storage-Management Guide 9-41

For example, the following command sequence enables the “wwmed ~/acct~bills”

share.

bstnA6k(gbl)# namespace wwmed

bstnA6k(gbl-ns[wwmed])# volume /acct

bstnA6k(gbl-ns-vol[wwmed~/acct])# share bills

bstnA6k(gbl-ns-vol-shr[wwmed~/acct~bills])# enable

bstnA6k(gbl-ns-vol-shr[wwmed~/acct~bills])# ...

If the managed volume is also enabled (as described below), it begins to import files

and directories from the back-end share. You can use the

show namespace status

command to monitor the progress of the import. You can look ahead to “Monitoring

the Import” on page 9-55 for details.

Taking Ownership of the Share (optional)

Before a managed volume imports the share, it checks the root directory in the

back-end share for a special file that marks it as “owned” by an ARX. If this marker

file exists, the managed volume does not proceed with the import; no two volumes

can manage the same share. You may need to override this safety mechanism for a

special case.

Consider an installation that uses legacy, filer-based applications to prepare for

disaster recovery: it copies all of its directories and files from a primary site to the

filers at another site. If an ARX manages the directories at the primary site, it places

its ownership marker in the root of each share. The filer-based application copies the

marker files to the remote site, along with all data files. An ARX at the backup site

cannot import these shares because of the markers.

You can use the optional

take-ownership flag for this special case. If the managed

volume finds an ownership marker in the root of this back-end share, it overwrites the

marker file. Otherwise, it imports the share as usual:

enable take-ownership

Do not use this option if it is possible that another ARX is managing this back-end share.

This would unexpectedly remove the share from service at the other ARX.

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