Linux failover raid system? (FAQ?)

1999-02-12 Thread Mads Bondo Dydensborg
Hi there. First of all, I have been looking through a lot of documents today - I am sorry if I missed one that covers my question - please point it to me if that is the case. I am looking into setting up a failover raid system. Something like (logically - the actual setup may differ).

Re: benefits of journaling for soft RAID ?

1999-02-12 Thread Stephen C. Tweedie
Hi, On Thu, 11 Feb 1999 17:08:48 -0500 (EST), Billy Harvey <[EMAIL PROTECTED]> said: > I'm new to raid discussion. Why would you expect a 60 minute fsck > everytime? Would the boot up not skip that if the shutdown was clean? > Journaling seems like a complicated solution to save the time of an

Re: benefits of journaling for soft RAID ?

1999-02-12 Thread Stephen C. Tweedie
Hi, On Fri, 12 Feb 1999 00:02:02 +0100, Benno Senoner <[EMAIL PROTECTED]> said: > Stephen: do you have an estimate time for wich journaling will be > ready for use, even as an alpha-patch ? Hopefully two to three months for demonstration code. It should be usable this summer some time. > do y

Re: benefits of journaling for soft RAID ?

1999-02-12 Thread Stephen C. Tweedie
Hi, On Thu, 11 Feb 1999 11:04:37 -0800 (PST), Dan Hollis <[EMAIL PROTECTED]> said: > I assume the next filesystem (ext3?) will support journaling? > Hope, hope? Yes. ext3 came _this_ close "><" to finishing its first transaction commit yesterday, but there's something in the buffer setup which

Re: benefits of journaling for soft RAID ?

1999-02-12 Thread Benno Senoner
> > > You all miss the obvious point here, IMHO. The point of a journalled fs is > not that you save some time for fsck. Actually, even with a journalled > fs, I'd suggest doing an fsck from time to time just to be sure everything > is > fine. > Yes I fully agree that you should run fsck from tim

Re: benefits of journaling for soft RAID ?

1999-02-12 Thread Dr. Michael Weller
On Fri, 12 Feb 1999, Matti Aarnio wrote: > Billy Harvey <[EMAIL PROTECTED]> wonders: > > Benno Senoner writes: > ... > > > but actually the customer , in the worst case (in case of an fsck) must > > > turn on the power of the machine 30-60min (for a 90% full 70GB array) > > > before actual usa

Re: benefits of journaling for soft RAID ?

1999-02-12 Thread Malcolm Beattie
Matti Aarnio writes: > Take another; a popular public FTP site with storage > consisting of multiple 30-50 GB RAID5 filesystems. > Total capacity around 300 GB. It crashes for some > reason, when will it be online ? (That is a system > where a slow day is 50 GB wort

Re: benefits of journaling for soft RAID ?

1999-02-12 Thread Richard Jones
Benno Senoner wrote: > With today large disks 10+ GB avoiding the long fsck at boot time is a > feature which > is strongly needed. ( in this case NT has the advantage over Linux > because it > has some sort of journaling, therefore it boots relatively fast even on > an unclean shutdown). Somethi