On Wed, 30 Jan 2013, Artem Kuchin wrote:
Also, not being able to boot if first disk has some error in boot
section or just strangly dead is not an option too. However, i was
just thinking, if i use gmirror then bios does not know anything about
it. I may set both harddisk as boot disk, but if
30.01.2013 19:28, Paul Kraus:
On Jan 30, 2013, at 10:22 AM, Warren Block wrote:
If you want to use the same drive for booting, it's possible. Create all three
partitions on both drives manually. Then mirror the freebsd-ufs partition
only. The contents of the freebsd-boot partition don't c
On Jan 30, 2013, at 10:22 AM, Warren Block wrote:
> If you want to use the same drive for booting, it's possible. Create all
> three partitions on both drives manually. Then mirror the freebsd-ufs
> partition only. The contents of the freebsd-boot partition don't change
> often, and swap doe
On Wed, 30 Jan 2013, Artem Kuchin wrote:
30.01.2013 18:06, Warren Block:
GPT partitions should work, just limit it to one mirrored partition per
drive.
Please, clarify what you mean here.
If only one GPT partition on a drive is mirrored with another GPT partition
on another drive, head c
There seems to be one more advantage to gmirror
If i understood correctly
gmirror label -v -b split -s 2048 data da0 da1 da2
will create a tripple mirror raid 1, that is
triple redundancy, which is hardly available on any hardware raid.
Am i correct here?
Also, does anyone know how to choose s
On Jan 30, 2013, at 8:10 AM, Andrea Venturoli wrote:
> You can spend the extra money you spare on the controller buying good disks;
> as someone else pointed out don't get "desktop-class" ones, but "24x7" ones.
Server Class drives buy you some improvement, but my recent experience with
Seagate
30.01.2013 18:06, Warren Block:
On Wed, 30 Jan 2013, Artem Kuchin wrote:
30.01.2013 1:01, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
29.01.2013 18:57, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
The Handbook chapter on gmirror talks about the problems with GPT
an
On Wed, 30 Jan 2013, Artem Kuchin wrote:
30.01.2013 1:01, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
29.01.2013 18:57, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
The Handbook chapter on gmirror talks about the problems with GPT and
GEOM metadata. In short: right
On 01/28/13 21:43, Artem Kuchin wrote:
I am planning to use mirror configuration of two SATA 7200rpm 2TB disks.
I personally vote for gmirror in this case; I've used it a lot and found
it very good wrt to both performance and robustness.
You can spend the extra money you spare on the contro
30.01.2013 1:01, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
29.01.2013 18:57, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
The Handbook chapter on gmirror talks about the problems with GPT
and GEOM metadata. In short: right now, they conflict. It's
possible to mirro
> My other concern is what happens when one drive goes down if we use
> gmirror? Is it completelly transparent
> and bad drive can be hot swapped while server is running and rebuild
> started?
> I am thinking now about gpt+gmirror (including boot and swap)
>
> Artem
>
Yes. In fact, you can test th
On Tue, 29 Jan 2013, Artem Kuchin wrote:
29.01.2013 18:57, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
The Handbook chapter on gmirror talks about the problems with GPT and GEOM
metadata. In short: right now, they conflict. It's possible to mirror GPT
partitions, but be aware t
On Tue, 29 Jan 2013 08:57:31 -0600, Warren Block
wrote:
As far a gmirror is concerned, yes, drives can be removed and new drives
inserted while the mirror is running. Hot swap is more of an issue with
the hardware. I have not tried it with SATA drives, although I think it
should work.
29.01.2013 18:57, Warren Block:
On Tue, 29 Jan 2013, Artem Kuchin wrote:
The Handbook chapter on gmirror talks about the problems with GPT and
GEOM metadata. In short: right now, they conflict. It's possible to
mirror GPT partitions, but be aware that if you mirror more than one
partition
On Tue, 29 Jan 2013, Artem Kuchin wrote:
My other concern is what happens when one drive goes down if we use gmirror?
Is it completelly transparent
and bad drive can be hot swapped while server is running and rebuild started?
I am thinking now about gpt+gmirror (including boot and swap)
As fa
Artem Kuchin wrote:
[snip]
> The server is going to be a web server with many sites and with mysql
> running on it. Nothing really really
> heavy. Currently with run all this on our own server with 8 cores and
> 16GB ram and 3ware raid1
> and cpu load is about 5% :) Everything is quick and respons
29.01.2013 11:54, Michael Powell:
Artem Kuchin wrote:
I guess what I'm trying to point out is that low performance wrt software
RAID will stem from other things besides just simply consuming a few CPU
cycles. Today's CPUs have the cycles to spare. I've been using gmirror for
RAID 1 mirrors fo
Artem Kuchin wrote:
> Hello!
>
> I have to made a decision on choosing a dedicated server.
> The problem i see is that while i can find very affordable and good
> options they do not
> provide hardware raid or even if they do it is not the best hardware for
> freebsd.
> The server base conf is 8c
On Jan 28, 2013, at 3:43 PM, Artem Kuchin wrote:
> I have to made a decision on choosing a dedicated server.
> The problem i see is that while i can find very affordable and good options
> they do not
> provide hardware raid or even if they do it is not the best hardware for
> freebsd.
I prefer
On Mon, 28 Jan 2013, Per olof Ljungmark wrote:
On 01/28/13 21:43, Artem Kuchin wrote:
Hello!
I have to made a decision on choosing a dedicated server.
The problem i see is that while i can find very affordable and good
options they do not
provide hardware raid or even if they do it is not th
On 01/28/13 21:43, Artem Kuchin wrote:
> Hello!
>
> I have to made a decision on choosing a dedicated server.
> The problem i see is that while i can find very affordable and good
> options they do not
> provide hardware raid or even if they do it is not the best hardware for
> freebsd.
> The serv
Hello!
I have to made a decision on choosing a dedicated server.
The problem i see is that while i can find very affordable and good
options they do not
provide hardware raid or even if they do it is not the best hardware for
freebsd.
The server base conf is 8core 32gb ram 2.8+ ghz.
So, maybe
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