[CentOS] More than 2TB RAID...

2009-01-27 Thread John Doe
Hi, I just received a new server (HP DL180G5) with 12x 1TB HDs and I bumped into fdisks 2TB limits... Since this is an entry level server, I can't use the classic HP bootable utilities to create smaller volumes et can only create a big RAID6. I found out that: using parted, labelling it gpt and

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread James Bensley
I have this problem, I just boot from usb sticks? A 512MB usb pen drive is (just about extinct!) only about £2.00 so get three, make one an ms-dos disk with parted and format it ready. Then pop-in CentOS and install it mounting the usb pen as /boot so grub boots from that msdos partition and then

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Morten Torstensen
John Doe wrote: > I just received a new server (HP DL180G5) with 12x 1TB HDs and I bumped into > fdisks 2TB limits... I would create two raid logical volumes, one for centos (say, 20GB to 100GB) and one with the rest of the space. Install centos and normal MBR on /dev/sda and then use lvm on th

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread John Doe
From: James Bensley > I have this problem, I just boot from usb sticks? > A 512MB usb pen drive is (just about extinct!) only about £2.00 so get > three, make one an ms-dos disk with parted and format it ready. Then > pop-in CentOS and install it mounting the usb pen as /boot so grub > boots from

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Morten Torstensen
John Doe wrote: > The best solution would be to be able somehow to run the avanced RAID > utility... > For that, I need a running OS where I could install it. They don't have a bootable CD image with the tools? I am only familiar with the IBM ServeRAID adapters where you have such a tool. Anoth

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Peter Kjellstrom
On Tuesday 27 January 2009, John Doe wrote: > Hi, > > I just received a new server (HP DL180G5) with 12x 1TB HDs and I bumped > into fdisks 2TB limits... Since this is an entry level server, I can't use > the classic HP bootable utilities to create smaller volumes et can only > create a big RAID6.

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Peter Kjellstrom
On Tuesday 27 January 2009, Morten Torstensen wrote: > John Doe wrote: > > I just received a new server (HP DL180G5) with 12x 1TB HDs and I bumped > > into fdisks 2TB limits... > > I would create two raid logical volumes, one for centos (say, 20GB to > 100GB) and one with the rest of the space. Ins

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Jake
On Tue, Jan 27, 2009 at 7:20 AM, John Doe wrote: > Hi, > > I just received a new server (HP DL180G5) with 12x 1TB HDs and I bumped > into fdisks 2TB limits... > Since this is an entry level server, I can't use the classic HP bootable > utilities to create smaller volumes et can only create a big

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Joshua Baker-LePain
On Tue, 27 Jan 2009 at 6:43pm, Jake wrote > I should say that I STRONGLY recommend not creating ext3 file systems in the > 2TB+ range - fsck takes too long and you'd hate to get hit by one of those > in what is supposed to be a "quick" reboot...and disabling them on the file > system isn't a good

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Ross Walker
On Jan 27, 2009, at 6:46 PM, Joshua Baker-LePain wrote: > On Tue, 27 Jan 2009 at 6:43pm, Jake wrote > >> I should say that I STRONGLY recommend not creating ext3 file >> systems in the >> 2TB+ range - fsck takes too long and you'd hate to get hit by one >> of those >> in what is supposed to

Re: [CentOS] More than 2TB RAID...

2009-01-27 Thread Ian Forde
On Tue, 2009-01-27 at 18:46 -0500, Joshua Baker-LePain wrote: > On Tue, 27 Jan 2009 at 6:43pm, Jake wrote > > > I should say that I STRONGLY recommend not creating ext3 file systems in the > > 2TB+ range - fsck takes too long and you'd hate to get hit by one of those > > in what is supposed to be

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread John Doe
From: Peter Kjellstrom > If it does raid6 then you have a p400 or p800 controller, right? If so then > hpacucli or similar can easily give you a small logical drive for the OS and > then a large one for data. Yes, that's the plan but, the thing is to be able to run the utilities... I need eithe

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread Peter Kjellstrom
On Wednesday 28 January 2009, Jake wrote: ... > I came across this article you may find useful: > http://www.unixgods.org/~tilo/linux_larger_2TB.html > > I should say that I STRONGLY recommend not creating ext3 file systems in > the 2TB+ range I consider that FUD. We have many ext3 filesystems >2T

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread Peter Kjellstrom
On Wednesday 28 January 2009, John Doe wrote: > From: Peter Kjellstrom > > > If it does raid6 then you have a p400 or p800 controller, right? If so > > then hpacucli or similar can easily give you a small logical drive for > > the OS and then a large one for data. > > Yes, that's the plan but, the

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread mcclnx mcc
how to stop "fsck" on boot? --- 09/1/28 (星期三),Peter Kjellstrom 寫道: > 寄件者: Peter Kjellstrom > 主旨: Re: [CentOS] More than 2TB RAID... > 收件者: centos@centos.org > 日期: 2009 1 28 星期三 上午 7:40 > On Wednesday 28 January 2009, Jake wrote: > ... > > I came acros

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread Pintér Tibor
mcclnx mcc wrote: > how to stop "fsck" on boot? 1. vi /etc/fstab 2. grub.conf => fastboot 3. touch /fastboot t ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread Toby Bluhm
Peter Kjellstrom wrote: > On Wednesday 28 January 2009, Jake wrote: > ... >> I came across this article you may find useful: >> http://www.unixgods.org/~tilo/linux_larger_2TB.html >> >> I should say that I STRONGLY recommend not creating ext3 file systems in >> the 2TB+ range > > I consider that F

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread John Doe
> > Yes, that's the plan but, the thing is to be able to run the utilities... > > I need either to make a live CD with the HP tools installed, or a > > "temporary OS with the tools... First try will be to create a RAID6 on 3 > > disks (=1 TB, so no grub problems), install the OS, run HP ACU, extend

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread Peter Kjellstrom
On Wednesday 28 January 2009, mcclnx mcc wrote: > how to stop "fsck" on boot? "man tune2fs" Each filesystem has two counters. One for max mounts since last fsck and one for max time since last fsck. Look for -i and -c in the man page. /Peter signature.asc Description: This is a digitally sign

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread John Doe
From: mcclnx mcc > how to stop "fsck" on boot? in fstab: " The sixth field, (fs_passno), is used by the fsck(8) program to determine the order in which filesystem checks are done at reboot time. The root filesystem should be specified with a fs_passno of 1, and other filesystems should

Re: [CentOS] More than 2TB RAID...

2009-01-28 Thread Peter Kjellstrom
On Wednesday 28 January 2009, John Doe wrote: > > > Yes, that's the plan but, the thing is to be able to run the > > > utilities... I need either to make a live CD with the HP tools > > > installed, or a "temporary OS with the tools... First try will be to > > > create a RAID6 on 3 disks (=1 TB, so

Re: [CentOS] More than 2TB RAID...

2009-01-29 Thread John Doe
> > Anyway, I managed and am currently extending the array > > to the 12 disks... It seems that it is going to take around 3 days! Maybe > > because the cache battery is not fully charged and so the writes are not > > cached... After that, I need to reduce the "boot" logical disk down to a > > do