Re: Setting up gmirror

2008-11-06 Thread Wojciech Puchar
What are the considerations in choosing between "load", "prefer", "round-robin", and "split" balance algorithms? "load" is currently not good at high loads, pr's pending... so change it to round-robin? ___ freebsd-questions@freebsd.org mailing lis

Re: Setting up gmirror

2008-11-06 Thread Volodymyr Kostyrko
Gabriel Lavoie wroted: As I asked in another thread, what is the problem with the "load" algorith? I've already pointed you in the other tread to http://www.freebsd.org/cgi/query-pr.cgi?pr=113885 :) -- Sphinx of black quartz judge my vow. ___ free

Re: Setting up gmirror

2008-11-06 Thread Gabriel Lavoie
As I asked in another thread, what is the problem with the "load" algorith? Thanks 2008/11/6 Volodymyr Kostyrko <[EMAIL PROTECTED]> > Carl wrote: > > What are the considerations in choosing between "load", "prefer", >> "round-robin", and "split" balance algorithms? >> > > "load" is currently no

Re: Setting up gmirror

2008-11-06 Thread Volodymyr Kostyrko
Carl wrote: What are the considerations in choosing between "load", "prefer", "round-robin", and "split" balance algorithms? "load" is currently not good at high loads, pr's pending... -- Sphinx of black quartz judge my vow. ___ freebsd-questions@f

Re: Setting up gmirror

2008-10-23 Thread Wojciech Puchar
I thought the -s option was only applicable when using "-b split" for the balancing algorithm. Does "round-robin" not mean simply alternating between the two disks without ever splitting requests? no. it means for example with -s 65536 and 1MB request - it will split this request on 2 disks

Re: Setting up gmirror

2008-10-22 Thread Carl
Wojciech Puchar wrote: disk will be overwritten). Add another disk to this mirror, so it will be synchronized with existing disk: gmirror label -v -b round-robin data da0 add -s like -s 1048576 to prevent splitting one request on 2 disks. I thought the -s option was only

re: Setting up gmirror

2008-10-22 Thread Wojciech Puchar
disk will be overwritten). Add another disk to this mirror, so it will be synchronized with existing disk: gmirror label -v -b round-robin data da0 add -s like -s 1048576 to prevent splitting one request on 2 disks. I thought the -s option was only applicable when using

re: Setting up gmirror

2008-10-21 Thread Carl
Wojciech Puchar wrote: > Andrew Falanga wrote: Identical drive models so their sizes are the same. Is this the command, from gmirror(8), the one I'll want to use? Create a mirror on disk with valid data (note that the last sector of the disk will be overwritten). Add another disk to th

Re: Setting up gmirror

2008-10-01 Thread koberne <[EMAIL PROTECTED]>
Hello, > I swear by gmirror, I had very good experience with it and will use it in the > future > again. I just need to find some time to attach the two identical HDD's to my > via c7 system. Actually, you don't need two identical HDD to make a gmirror. It's just important, that the one, you a

Re: Setting up gmirror

2008-10-01 Thread Dino Vliet
Wednesday, October 1, 2008 6:34 AM From: "Andrew Falanga" <[EMAIL PROTECTED]> To: "freebsd-questions@freebsd.org" Hi, I've just finished setting up a new web server, and if I get my DNS stuff correct hopefully an e-mail server too, for my church. Originally, the intention was to use R

Re: Setting up gmirror

2008-10-01 Thread Wojciech Puchar
There is also one difference which you're forgetting: booting. for me there is no problem. simply put /boot at the beginning of mirror or small partition it's that simple ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailma

Re: Setting up gmirror

2008-10-01 Thread Jeremy Chadwick
On Wed, Oct 01, 2008 at 11:19:01AM +0200, Wojciech Puchar wrote: >> And what exactly do you classify controllers such as the Promise TX4310 >> and the Promise S150 SX4 as? The TX4310 could be classified as >> "software RAID", but a few of the features are offloaded onto the >> controller. The SX4

Re: Setting up gmirror

2008-10-01 Thread Wojciech Puchar
And what exactly do you classify controllers such as the Promise TX4310 and the Promise S150 SX4 as? The TX4310 could be classified as "software RAID", but a few of the features are offloaded onto the controller. The SX4 is the same way, but has actual on-board cache. si it do something by har

Re: Setting up gmirror

2008-10-01 Thread Jeremy Chadwick
On Wed, Oct 01, 2008 at 09:22:20AM +0200, Wojciech Puchar wrote: >> with regards to Intel MatrixRAID, here you go: >> >> http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting >> >> And yes, these are FreeBSD problems, but the severity is so high that >> there is a very good chance y

Re: Setting up gmirror

2008-10-01 Thread Wojciech Puchar
with regards to Intel MatrixRAID, here you go: http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting And yes, these are FreeBSD problems, but the severity is so high that there is a very good chance you will lose your data in the case of a failure. Simply put, don't risk it. B

Re: Setting up gmirror

2008-10-01 Thread Jeremy Chadwick
On Tue, Sep 30, 2008 at 10:34:53PM -0600, Andrew Falanga wrote: > I've just finished setting up a new web server, and if I get my DNS > stuff correct hopefully an e-mail server too, for my church. > Originally, the intention was to use RAID1 on the MOBO. However, the > RAID controller on the MOBO

Re: Setting up gmirror

2008-09-30 Thread Wojciech Puchar
Hi, I've just finished setting up a new web server, and if I get my DNS stuff correct hopefully an e-mail server too, for my church. Originally, the intention was to use RAID1 on the MOBO. However, the do not ever use "hardware" RAID0/1/10 on motherboard. first it's not hardware, it's purely s