Mark Schoonover wrote:
Benjamin Smith wrote:
On Wednesday 17 January 2007 04:41, Karanbir Singh wrote:
Fajar Priyanto wrote:
I have a task on setting up a cluster of 2 servers for providing
ftp service. We use RH's Cluster suite. However the cluster setup
is lack of shared network storage, so the /var/ftp/pub is mounted
on each server. The cluster is set
So, are we on the right direction? Or is there any better way?
Thank you very much,
have you considered using drbd ?
Well, I was going to suggest using RAID1 with one of the partitions
being a network block device, but this looks even better!
Rsync is great for period backups (not more than once per day or so)
I run rsync every hour on multi-terrabyte systems with no problems. The
NASes do have a private GB network to push the data through, so the user
network doesn't see the network traffic generated by rsync. I can have
anywhere from just a couple hundred megs, to 100 gigs of data change inside
of an hour.
OTOH I found running rsync daily over the Internet to backup a Linux box
impractical; it used heaps of RAM (and swap) and ran for hours.
Fortunately, its excessive use of swap (several times real RAM) didn't
lead to thrashing.
Now, I run a hand-crafted script that makes a compressed ISO (mkzftree)
and I rsync that. I'm maintaining a backup filesystem of about 8 Mbytes
remotely now; the rsync runs for a little over two hours daily.
--
Cheers
John
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