That's what we've been trying to tell you. With RAID 1 these is not tweaking or cron jobs. It just works. I have RAID 1 running at home on two 250GB HDs. One of them was corrupted after my kids shut the server off uncleanly. RAID was able to rebuild the corrupt drive, no issues.
Bottom line: RAID > rsync or scripts. You can't convince any techy anything different. Jeremiah E. Bess Network Ninja, Penguin Geek, Father of four On Mon, Jan 11, 2010 at 11:57, u4david <[email protected]> wrote: > when i get home i will copy and paste my cron job codes and files. > > Then you will have exact copy of the whole drive. > So when mounted you can access any files mirrored and retrieve them. > > When you need to boot from the mirror you just have to configure grub > and etc fstab accordingly. > As right now the mirror is secondary drive ,so when booting from it > thinks have to be tweaked little to read the right drive/partition. > You can do that before hand.Knowing what sequence the drive will be etc. > Then you just exclude the fstab from being overwriteen by your backups > so you get to keep your reconfigured files needing to boot. > So when it comes down to use the drive all will be ready to boot. > > > > > On Mon, Jan 11, 2010 at 12:08 PM, cmcanulty <[email protected]> wrote: > > Could you post the code to drive and > > pull just certain backup when needed. > > Also that I can move the drive in any server(regardless of disk > > controller type) and have instant duplicate running in minutes.Thank > > you > > > > On Jan 10, 12:38 pm, Daniel Eggleston <[email protected]> wrote: > >> Forget the controller - use software raid. No hardware costs, works > just as > >> well (there's a performance hit at the extreme high end, but even that > can > >> be taken out with raid 10 if you need to). Keeping old files that have > been > >> deleted may cause issue (say you deleted a program, because it happens > to > >> have a security repercussion, and you're waiting on a patch). There is > no > >> substitute for taking periodic backups, which will keep old versions of > all > >> files in the case of accidental change/deletion in a much more reliable > >> manner. > >> > >> > >> > >> On Sun, Jan 10, 2010 at 11:34 AM, u4david <[email protected]> wrote: > >> > agree, > >> > what I like about rsync is that I can go in the mirrored drive and > >> > pull just certain backup when needed. > >> > Also that I can move the drive in any server(regardless of disk > >> > controller type) and have instant duplicate running in minutes. > >> > >> > my cron job mounts the dive first then mirrors the data,then unmount > the > >> > drive. > >> > Also rsync further with out the --delete option to keeps old files > >> > that may have been deleted on master drive. > >> > >> > On Sat, Jan 9, 2010 at 10:33 PM, Jeremiah Bess < > [email protected]> > >> > wrote: > >> > > Not true. RAID 1 is instantaneous mirroring. rsync runs only when > you set > >> > it > >> > > to. RAID 1 is really easy to set up and reliable. > >> > >> > > Jeremiah E. Bess > >> > > Network Ninja, Penguin Geek, Father of four > >> > >> > > On Sat, Jan 9, 2010 at 20:10, u4david <[email protected]> wrote: > >> > >> > >> I would set up firts harddrive: > >> > >> > >> and then second hard drive set up us a mirror of the first drive . > >> > >> use rsync,cronjob. > >> > >> > >> This way no need for raid. > >> > >> But have backups at your finger tips. > >> > >> and if the first disc fails just reconfigure the mirror as "master" > >> > >> and adjust boot grub options and caboom back to original(last > backup > >> > >> version of mirrored rsynced copy) > >> > >> > >> On Sat, Jan 9, 2010 at 8:12 PM, Kari Matthews <[email protected]> > >> > wrote: > >> > >> > Hello, > >> > >> > I have a customer who wants a new server. I convinced him to go > with > >> > >> > Linux > >> > >> > instead of Windows. He then asked at the end that I put 2-1TB > drives > >> > in > >> > >> > the > >> > >> > server. I assume the second is for storage b/c they deal with > pretty > >> > >> > large > >> > >> > files. > >> > >> > In your opinion, what should I do with the second drive? Should > I put > >> > >> > Linux > >> > >> > on both drives? I was going to do a data partition on the first > drive > >> > >> > ... > >> > >> > if I did that for both, that would be 4 partitions. What is the > best > >> > >> > way to > >> > >> > handle this? > >> > >> > I know this is a rather silly question, but I am unsure how to > best > >> > >> > utilize > >> > >> > the space on the 2nd drive. It's tempting to put it in an > external > >> > >> > casing > >> > >> > and just use it as a backup drive. I don't know. > >> > >> > Opinions welcome, since you're all brilliant. TIA. > >> > >> > ~kari > >> > >> > >> > -- > >> > >> > You received this message because you are subscribed to the Linux > >> > Users > >> > >> > Group. > >> > >> > To post a message, send email to > [email protected] > >> > >> > To unsubscribe, send email to > >> > >> > [email protected] > >> > >> > For more options, visit our group at > >> > >> >http://groups.google.com/group/linuxusersgroup > >> > >> > >> -- > >> > >> You received this message because you are subscribed to the Linux > Users > >> > >> Group. > >> > >> To post a message, send email to [email protected] > >> > >> To unsubscribe, send email to > >> > [email protected] > >> > >> For more options, visit our group at > >> > >>http://groups.google.com/group/linuxusersgroup > >> > >> > > -- > >> > > You received this message because you are subscribed to the Linux > Users > >> > > Group. > >> > > To post a message, send email to [email protected] > >> > > To unsubscribe, send email to > >> > [email protected] > >> > > For more options, visit our group at > >> > >http://groups.google.com/group/linuxusersgroup > >> > >> > -- > >> > You received this message because you are subscribed to the Linux > Users > >> > Group. > >> > To post a message, send email to [email protected] > >> > To unsubscribe, send email to > [email protected] > >> > For more options, visit our group at > >> >http://groups.google.com/group/linuxusersgroup > >> > >> -- > >> > >> Daniel > > > > -- > > You received this message because you are subscribed to the Linux Users > Group. > > To post a message, send email to [email protected] > > To unsubscribe, send email to > [email protected] > > For more options, visit our group at > http://groups.google.com/group/linuxusersgroup > > > > -- > You received this message because you are subscribed to the Linux Users > Group. > To post a message, send email to [email protected] > To unsubscribe, send email to [email protected] > For more options, visit our group at > http://groups.google.com/group/linuxusersgroup >
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