Big shops usually use VTL with spare HBA zoned for back-up only. On 8/1/07, Ambrosio Berdijo <[EMAIL PROTECTED]> wrote: > Hi Junix, > > Here are some suggestions based on my experience with 100+GB Siebel database > and file attachments. > > 1. The fastest and cheapest way to transfer files is over the network, but > how > can you transfer files without cause network congestion. Answer: use the > SPARE NIC port at the back of the server. Take a look and see if it is free > and > pray that it is Gigabit capable. Buy a cheap Gigabit hub and setup a > separate > network using the spare NIC port. You now have a 70MBytes+ transfer link > that > won't hog with your current network. > > 2. Setup your spare computer, put in the SATA drives in RAID configuration > but > don't just install any Linux. What you need is a Linux NAS "Network > Attached > Storage" and I suggest you get www.openfiler.com. NAS have a feature called > "snapshot" that allows you to freeze the contents and structure of the > filesystem > at a given moment in time. I believe there are some Filesystems that do this > natively. So even if someone decides to do an "rm -r", you can still get the > files > based on the last snapshot. Warning though, I haven't tried the "snapshot" > capability of OpenFiler, but i hope it works the same as the 8Mil peso > NetApp > Filer snapshot feature that we did test. If you don't need this snapshot > capability, > then any Linux distribution will do. > > Set up 1 & 2 and use your usual rsync/amanda/backup scripts. If you are > really > paranoid about the backup, run md5deep on both sides after every backup and > diff the logs.(md5deep.sourceforge.net). use SHA256 if you really need to be > sure. > > Other tips: > a. you need to have a gigabit NIC on your NAS. Most upper-end motherboards > are now gigabit capable. > b. you still need to do a more permanent backup. How about dual-layer DVD > writers? 8GB total storage and should cost a lot less than backup tapes. You > can even do the Md5deep check on each file afterwards. > c. If your management wants a more "formal" system without spending the 8Mil > pesos, google for NAS appliances. There is a lot on the market. And many use > Linux/FreeBSD as their OS. Many are also portable, so you can move them > offsite. > d. don't use the file-system copy/sync backup method for live database > files. It is > always more efficient to use the database's native replication capability. > > I hope these suggestions help, drop me a private email if you any questions. > > Ambrosio > > > Junix Gaspar <[EMAIL PROTECTED]> wrote: > > > Well usually with tapes you have a daily backup. And usually nowadays, tape > is just one backup solution aside from offsite dump all others that you can > think of. The more options you have, the better your data will be available. > > > > > ________________________________ > Boardwalk for $500? In 2007? Ha! > Play Monopoly Here and Now (it's updated for today's economy) at Yahoo! > Games. > > > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > [email protected] (#PLUG @ irc.free.net.ph) > Read the Guidelines: http://linux.org.ph/lists > Searchable Archives: http://archives.free.net.ph >
-- sometimes truth is stranger than fiction -bad religion- http://www.bloglines.com/blog/mailist _________________________________________________ Philippine Linux Users' Group (PLUG) Mailing List [email protected] (#PLUG @ irc.free.net.ph) Read the Guidelines: http://linux.org.ph/lists Searchable Archives: http://archives.free.net.ph
