-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jaap Winius wrote: > Hi folks, > > Here's a hypothetical question regarding the replication of AFS volumes: > > In an organization where it is only necessary for an administrator to > either give users read-write access to volumes, or no access at all, > what would be the advantage of creating any read-only replicas, beyond > those for the standard volumes at the root of the AFS namespace? > > This subject is confusing to me, because I've learned that once a client > has encountered a read-write mount point, it becomes biased towards > accessing only read-write replicas beyond it, ignoring any and all > perfectly usable read-only volumes that may be available. > > Of course, read-only replicas with hourly releases can be used as a > safety net, allowing data to be more quickly recovered in the event of a > failure, but if that's viewed as an unnecessary measure, then what other > reasons reasons might there be for replicating any volumes?
Simple - Load Balancing. Imagine a cell at three countries hold together by small ISDN lines - a RO copy local to each faculty and the have fast access. > Thanks, > > Jaap MfG, Lars Schimmer - -- - ------------------------------------------------------------- TU Graz, Institut für ComputerGraphik & WissensVisualisierung Tel: +43 316 873-5405 E-Mail: l.schim...@cgv.tugraz.at Fax: +43 316 873-5402 PGP-Key-ID: 0x4A9B1723 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkwZ1cAACgkQmWhuE0qbFyPG8wCfRSYpuQUi72fsWlAD2QcrPvuh rN8AnRVy3I81Zf2AZHs84QoKnZ2vFYX0 =IffC -----END PGP SIGNATURE----- _______________________________________________ OpenAFS-info mailing list OpenAFS-info@openafs.org https://lists.openafs.org/mailman/listinfo/openafs-info
