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Subversion & NAS

From: Greg Thomas <Greg_at_TheThomasHome.co.uk>
Date: 2003-11-24 23:29:10 CET

Hi,

We're currently using CVS for about a dozen developers with a
repository ~1GB big (though a lot of that is Windows DLLs - storing
these helps resolve DLL hell problems, IME). I'd like to migrate this
to Subversion, and to that effect I've been offered a properly managed
system, but, because it is policy, the underlying file system will be
an EMC Celerra (sp?) NAS system.

I know from plenty of discussion on the lists that Subversion (or more
accurately, the underlying Berkeley DB) doesn't work well on networked
file systems - http://subversion.tigris.org/project_faq.html#nfs links
to a Sleepycat page which has two provisos:

1: "Databases, log files, and temporary files may be placed on remote
filesystems, as long as the remote filesystem fully supports standard
POSIX filesystem semantics".

2: "NFS-mounted databases cannot be accessed from more than one
Berkeley DB environment at a time"

Would I be right in assuming that if
(a) the EMC NAS "fully supports standard POSIX filesystem semantics",
and
(b) access to the DB is only from the one system (i.e. access to the
repository would be using ra_dav, with ra_local only used for access
from the system hosting Apache)

we would be all right? Has anyone had any practical experience in this
sort of scenario?

TIA,

Greg

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Received on Mon Nov 24 23:30:29 2003

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