On Feb 19, 2013, at 11:20 PM, "b...@todoo.biz" <b...@todoo.biz> wrote:
> Hello, > > > I am about to start deploying a large system (about 18 To which can grow up > to 36 To) based on a big Intel platform with lot's of fancy features to have > turbo boosted platform (ZIL on SSD + system on dongle if I go for FreeNAS). > Since I want to move on quite fast I might decide to use FreeNAS in it's > latest version. > > > The idea behind all that was to grant 5 or six critical servers access to the > NAS so that they can take advantage of : > > 1. space available on the NAS > > 2. ability of the NAS to use ZFS and of clients to support this file system > (including snapshots) > > 3. Access the server using iSCSI (at least this is what I initially planned). > > 4. Mount part of their filesystem using data stored on the SAN (like > /usr/local/ or other parts of the system). > > > > The server accessing the data will be of two types : > > 1. 2 x Ubuntu server 10.04 LTS > > 2. 4 x FreeBSD (mainly 8 and 9) with jail configured > > > I have started reading about iSCSI and potential problems with FreeBSD. > What problems do you mean ? > So my main questions would be : > > > • Should I go for iSCSI ? > Well in all use cases, iscsi should perform faster than NFS. > • Should I rather choose / prefer NFS ? > > • Should I export a Volume as UFS rather than ZFS (is ZFS supported as a > target) ? > I'm not sure what you mean here, when you export a zvol over ISCSI: - your SAN is the target and presents a block device (the zvol) - your client is the initiator - your client attaches to the ISCSI drive and formats it using filesystem XYZ, be it ext3, ufs or ntfs > > The main idea is stability, redundancy of data and ease of maintenance (in a > headless FreeBSD / Linux world) before anything else ! > ISCSI is a bit harder to setup IMO, however I think it''s more reliable than NFS, what with its auto retries if it loses the network link to a device. > > > That's the big pictures, if you have any pointers, advise, they are all > welcome. > > > It is quite late where I leave, so I will reply to posts in 8 to 10 hours, > but I hope to have enough answer(s) to start an interesting thread (as I > think this question is very interesting and not so clearly explained (at > least in my mind))… > This is idd a very interesting topic and I hope to see more :) > > Thx very much for your infos and feedback. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
