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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Cross country networks, and data replication... Questions... :-)
On Thu, Jan 16, 2003 at 03:45:30PM -0800, Gabriel wrote: > > > Hello all. > > --- Where we are --- > > Currently, I've got a single site, colocated on the East Coast. > Currently, I've got two NetApps at that site, one serving as a > mailspool, the other serving as a location for web documents. This > system works via NFS to a fair number of mail and web servers, and it's > running happily. > > --- Where I'm going --- > > What I seek is some help on implementing a second site, and the link > between the two. The sites will be more or less the same in terms of > the equipment in them, or so I hope. > > I want to be able to have the changes made at one site replicated to the > other site transparently. That is, if I update a file at site A, I want > to be able to see the changes at Site B in a reasonable period of time > (i.e., short), and without having to manually move data around. I > specifically want to do this for allow both sites to offer the same > mailspool, so that customers can check their mail at either site. > > I am in the planning phase of bringing up a second site, and at this > site, there will be more web servers, and more mail servers. There will > also be an additional netapp for each of mail and www. > > Between the pair of mail netapps (and to a lesser degree, the www > netapps), I want them to replicate changes to the other one. That is, > if a file is removed on Mail.NetApp A, it should also disappear on > Mail.NetApp B. And if a file is created on netapp B, it should also > come into existance on netapp A. Bidirectional updates. > > My current setup consists of Linux and FreeBSD systems, and F740 NetApps. > > And yes, there is a lot of pressure to stay with the NetApps. > > Any hints, or advice will be much appreciated. You probally want something like snapmirror, but when a file is changed/deleted in the mailbox, you hack your pop/imap server to delete the file on the 'master' fileserver. this isn't really on-topic though, imho. - jared -- Jared Mauch | pgp key available via finger from [email protected] clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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