No software raid and no LVM with netinstaller 10.04

to create a software raid during installing with the net install cd. . . .best regards, Bernd

Re: Debian 10 software raid

ot;my system not booting" Em 28 de julho de 2019 15:17:33 BRT, Finariu Florin escreveu: >Hi everyone, >I have installed Debian 10 buster and I created a software raid. >After I finished Debian installation the system don't boot.Can somebody >tell me why? >Or what I have to do to b

Re: Debian 10 software raid

On Sun, Jul 28, 2019, 1:18 PM Finariu Florin wrote: > Hi everyone, > I have installed Debian 10 buster and I created a software raid. > After I finished Debian installation the system don't boot. > Can somebody tell me why? > Or what I have to do to be able to boot it? > Tha

Debian 10 software raid

Hi everyone, I have installed Debian 10 buster and I created a software raid. After I finished Debian installation the system don't boot.Can somebody tell me why? Or what I have to do to be able to boot it? Thank you!

Re: Software RAID blocks

Tom Bachreier wrote: > So it is most likely that I have a problem with the software raid or the > harddisks, isn't it? SMART is activated on all disks and does not show > any error. don't know exactly but I replaced all Seagate drives with WD - especially WD Red 2TB NAS (WD20EFRX).

Re: Software RAID blocks

Hi! On Sun, Jan 13, 2019 at 12:27:19PM +0100, Tom Bachreier wrote: > Last night I got a "blocked for more than 300 seconds." message in syslog - > see > > (link valid for 90 days). > > Log summary: > Jan 13 02:34:44 osprey

Re: Software RAID blocks

On Sun, Jan 13, 2019 at 02:22:09PM +0100, Tom Bachreier wrote: > > Hi Reco! > > Jan 13, 2019, 1:47 PM by recovery...@enotuniq.net: > > > On Sun, Jan 13, 2019 at 01:20:50PM +0100, Tom Bachreier wrote: > > > >> Jan 13, 2019, 12:46 PM by >> recovery...@enotuniq.net > >>

Re: Software RAID blocks

Hi Reco! Jan 13, 2019, 1:47 PM by recovery...@enotuniq.net: > On Sun, Jan 13, 2019 at 01:20:50PM +0100, Tom Bachreier wrote: > >> Jan 13, 2019, 12:46 PM by >> recovery...@enotuniq.net >> >> : >> >> > On Sun, Jan 13, 2019 at 12:27:19PM +0100, Tom Bachreier

Re: Software RAID blocks

Hi. On Sun, Jan 13, 2019 at 01:20:50PM +0100, Tom Bachreier wrote: > > Hi Reco! > > Jan 13, 2019, 12:46 PM by recovery...@enotuniq.net: > > > On Sun, Jan 13, 2019 at 12:27:19PM +0100, Tom Bachreier wrote: > > > >> TLDR; > >> My /home on dmcrypt -> software Raid5 blocks irregular

Re: Software RAID blocks

Hi Reco! Jan 13, 2019, 12:46 PM by recovery...@enotuniq.net: > On Sun, Jan 13, 2019 at 12:27:19PM +0100, Tom Bachreier wrote: > >> TLDR; >> My /home on dmcrypt -> software Raid5 blocks irregular usually without >> any error messages. >> >> I can get it going again with "fdisk -l /dev/sdx". >>

Re: Software RAID blocks

Hi. On Sun, Jan 13, 2019 at 12:27:19PM +0100, Tom Bachreier wrote: > TLDR; > My /home on dmcrypt -> software Raid5 blocks irregular usually without > any error messages. > > I can get it going again with "fdisk -l /dev/sdx". > > Do you have an ideas how I can debug this issue further?

Software RAID blocks

n md127_raid5. So it is most likely that I have a problem with the software raid or the harddisks, isn't it? SMART is activated on all disks and does not show any error. How can I debug this further to solve the problem? Thanks in advance for your suggestions. Tom ---

Re: SSD TRIM software raid (mdadm)

On 10.01.19 00:51, Pascal Hambourg wrote: > Why did you flag the SSD as write-mostly ? I would have expected the > opposite. Oh Sorry I understand this option in a wrong way. Ok, I will try TRIM on LVM. Thanks a lot.

Re: SSD TRIM software raid (mdadm)

On 1/9/19 1:22 PM, basti wrote: Hello, I have create a software raid level 1 with mdadm. One drive is a "classic" HDD. The 2'nd drive is a SSD with option "write-mostly". Over the raid I have create and LVM with all the partitions (root,swap and qemu/KVM VM's). Whe

Re: SSD TRIM software raid (mdadm)

Le 09/01/2019 à 22:22, basti a écrit : I have create a software raid level 1 with mdadm. One drive is a "classic" HDD. The 2'nd drive is a SSD with option "write-mostly". Why did you flag the SSD as write-mostly ? I would have expected the opposite. Over the raid I

SSD TRIM software raid (mdadm)

Hello, I have create a software raid level 1 with mdadm. One drive is a "classic" HDD. The 2'nd drive is a SSD with option "write-mostly". Over the raid I have create and LVM with all the partitions (root,swap and qemu/KVM VM's). When I understand mdadm the hole space is m

Re: software raid settings and ext4

On 01/24/17 8:56 PM, Pascal Hambourg wrote: > Le 24/01/2017 à 00:45, Miguel González a écrit : >> >> I´m running Proxmox 4.2 which is debian jessy with a software RAID of 2 >> Tb SATA disks of 7200 RPM in a dedicated server. >> >> I have set it up using OVH Pr

Re: software raid settings and ext4

Le 24/01/2017 à 00:45, Miguel González a écrit : I´m running Proxmox 4.2 which is debian jessy with a software RAID of 2 Tb SATA disks of 7200 RPM in a dedicated server. I have set it up using OVH Proxmox installer with ext4. I have realized that another server with just one SATA disk has

Re: software raid settings and ext4

, and are they red? Have you tried other cables? Subject: Re: SATA cables https://lists.debian.org/debian-user/2016/02/msg00372.html As I said, the server is in a hosting company (OVH), so I can´t check the color of the cables or anything similar. Are you using software RAID and ext4? I meant

Re: software raid settings and ext4

they red? Have you tried other > cables? > > Subject: Re: SATA cables > https://lists.debian.org/debian-user/2016/02/msg00372.html As I said, the server is in a hosting company (OVH), so I can´t check the color of the cables or anything similar. Are you using software RAID and ext4? Thanks, Miguel

Re: software raid settings and ext4

Miguel González composed on 2017-01-24 00:45 (UTC+0100): ... Is there any way to improve the performance of ext4 both in the hosting proxmox server and the virtual machines? Who made those SATA cables, when, and are they red? Have you tried other cables? Subject: Re: SATA cables

software raid settings and ext4

Hi, I´m running Proxmox 4.2 which is debian jessy with a software RAID of 2 Tb SATA disks of 7200 RPM in a dedicated server. I have set it up using OVH Proxmox installer with ext4. I have realized that another server with just one SATA disk has writes of about 140 MB/s while this server

Re: Unable to install bootloader on software raid

On Sat, Dec 13, 2014 at 11:36:58AM +0200, Johann Spies wrote: After two of my hard disks failed, I decided to use a software raid in future and tried to install Debian Testing on the raid.  The configuration of the raid and software installation went well until I tried to install

Re: Unable to install bootloader on software raid

Darac Marjal mailingl...@darac.org.uk wrote: I think the problem is that, depending on the RAID level, the BIOS won't be able to read the disks in order to load GRUB. If you're running RAID0, then you're in luck; both drives appear as normal disks and all that RAID does is ensure they are

Re: Unable to install bootloader on software raid

Sven Hartge a écrit : Darac Marjal mailingl...@darac.org.uk wrote: I think the problem is that, depending on the RAID level, the BIOS won't be able to read the disks in order to load GRUB. If you're running RAID0, then you're in luck; both drives appear as normal disks and all that RAID

Unable to install bootloader on software raid

After two of my hard disks failed, I decided to use a software raid in future and tried to install Debian Testing on the raid. The configuration of the raid and software installation went well until I tried to install the bootloader. Both Grub and Lilo refused to install. If it is not possible

Re: Unable to install bootloader on software raid

On Sat, 13 Dec 2014 11:36:58 +0200 Johann Spies johann.sp...@gmail.com wrote: What is the way to install Debian onto a software raid? I have installed 7.7.0-64 from the DVD without any problem. So it might be something in Testing ? Did you try to install from a Live-CD/DVD ? ISTR

Re: Unable to install bootloader on software raid

Thanks for your reply, Ron. In the end I configured my partions to exclude the first 250Mb (/boot) from the raid and I could install Grub just to have a working system. It is not the best solution. The installer should work as expected. Regards Johann -- Because experiencing your loyal love

Re: Unable to install bootloader on software raid

Johann Spies a écrit : In the end I configured my partions to exclude the first 250Mb (/boot) from the raid and I could install Grub just to have a working system. It is not the best solution. Obviously it's not. /boot should be on a RAID (and the bootloader installed on all disks, which

Re: Replacing failed drive in software RAID

On Tue, Nov 05, 2013 at 02:15:07PM +0100, Veljko wrote: On Thu, Oct 31, 2013 at 02:41:01PM -0600, Bob Proulx wrote: But if you are concerned about writes to sdb then I would simply plan to boot from the debian-installer image in rescue mode, assemble the raid, sync, then replace sdb, and

Re: Replacing failed drive in software RAID

Veljko wrote: Veljko wrote: I replaced sdd drive and that went without problem, but after replacing sda, the drive with boot partition and MBR, system stalled at veryfying dmi pool data. So I inserted debian CD and went with rescue mode. I haven't used it so I have some questions.

Re: Replacing failed drive in software RAID

On Thu, Nov 07, 2013 at 02:12:02AM -0700, Bob Proulx wrote: I'm offered to reassemble RAID. Is it safe to use auto reconfigure option or should I assemble all three manually? As long as all of the disks are to be assembled then automatic mode should be okay. Don't use automatic mode if

Re: Replacing failed drive in software RAID

Veljko wrote: Thanks for all your help, Bob. I don't usually need this step by step approach but in this case I needed to be sure I won't loose my data. Your patience and answers are much appreciated. You are very welcome for the help. Don't worry about it at all. It's no trouble. Just keep

Re: Replacing failed drive in software RAID

On Thu, Oct 31, 2013 at 02:41:01PM -0600, Bob Proulx wrote: But if you are concerned about writes to sdb then I would simply plan to boot from the debian-installer image in rescue mode, assemble the raid, sync, then replace sdb, and repeat. You can always install grub to the boot sectors after

Re: Replacing failed drive in software RAID

Hello,, On Thu, Oct 31, 2013 at 05:06:33PM -0500, Stan Hoeppner wrote: On 10/31/2013 3:41 PM, Bob Proulx wrote: Is this a BIOS boot ordering boot system booting from sda? In which case replacing sda won't have an MBR to boot from. You can probably use your BIOS boot to select a different

Re: Replacing failed drive in software RAID

On Thu, Oct 31, 2013 at 03:41:18PM +0100, Veljko wrote: # sgdisk --backup=table /dev/sdb # sgdisk --load-backup=table /dev/sda # sgdisk -G /dev/sda I'm not familiar wiht sgdisk but you may need to call partprobe after these stages and before these ones… # mdadm --manage /dev/md0 --add

Re: Replacing failed drive in software RAID

On Fri, Nov 01, 2013 at 12:23:07PM +, Jonathan Dowland wrote: On Thu, Oct 31, 2013 at 03:41:18PM +0100, Veljko wrote: # sgdisk --backup=table /dev/sdb # sgdisk --load-backup=table /dev/sda # sgdisk -G /dev/sda I'm not familiar wiht sgdisk but you may need to call partprobe after

Re: Replacing failed drive in software RAID

Hello, Veljko a écrit : I think it is BIOS boot ordering. I don't remember how I installed MBR. Is it even possible to have MBR on both sda and sdb? Of course. I don't know either, but in case that boot sector is not copied, could I just copy first 446 bytes? It is the place where MBR is

Re: Replacing failed drive in software RAID

On Fri, Nov 01, 2013 at 03:13:51PM +0100, Pascal Hambourg wrote: I don't know either, but in case that boot sector is not copied, could I just copy first 446 bytes? It is the place where MBR is located, without touching partition table. So could something like this work: dd

Re: Replacing failed drive in software RAID

Stan Hoeppner a écrit : This is precisely why I use hardware RAID HBAs for boot disks (and most often for data disks as well). The HBA's BIOS makes booting transparent after drive failure. In addition you only have one array (hardware) instead of 3 (mdraid). MD RAID arrays can be

Re: Replacing failed drive in software RAID

On Fri, Nov 01, 2013 at 01:47:37PM +0100, Veljko wrote: Isn't that to inform the OS of partition table changes? In this case, partition table stays the same. It has changed: prior to sgdisk, sda has no partitions and sda1, sda2 etc. do not exist. After you clone the table from sdb, they do. My

Re: Replacing failed drive in software RAID

On Fri, Nov 01, 2013 at 03:18:12PM +, Jonathan Dowland wrote: On Fri, Nov 01, 2013 at 01:47:37PM +0100, Veljko wrote: Isn't that to inform the OS of partition table changes? In this case, partition table stays the same. It has changed: prior to sgdisk, sda has no partitions and sda1,

Re: Replacing failed drive in software RAID

On 11/1/2013 9:19 AM, Pascal Hambourg wrote: Stan Hoeppner a écrit : This is precisely why I use hardware RAID HBAs for boot disks (and most often for data disks as well). The HBA's BIOS makes booting transparent after drive failure. In addition you only have one array (hardware) instead

Re: Replacing failed drive in software RAID

Stan Hoeppner a écrit : On 11/1/2013 9:19 AM, Pascal Hambourg wrote: Stan Hoeppner a écrit : This is precisely why I use hardware RAID HBAs for boot disks (and most often for data disks as well). The HBA's BIOS makes booting transparent after drive failure. In addition you only have one

Re: Replacing failed drive in software RAID

On 11/1/2013 12:23 PM, Pascal Hambourg wrote: Stan Hoeppner a écrit : On 11/1/2013 9:19 AM, Pascal Hambourg wrote: Stan Hoeppner a écrit : This is precisely why I use hardware RAID HBAs for boot disks (and most often for data disks as well). The HBA's BIOS makes booting transparent after

Replacing failed drive in software RAID

Hi guys, I'm using four 3TB drives, so I had to use GPT. Although I'm pretty sure I know what I need to do, I want to make sure so I don't loose data. Three drives are dying so I'm gonna replace them one by one. This is the situation: sda and sdb have four partitions. sda1, sdb1 - 1MB

Re: Replacing failed drive in software RAID

Veljko wrote: I'm using four 3TB drives, so I had to use GPT. Although I'm pretty sure I know what I need to do, I want to make sure so I don't loose data. Three drives are dying so I'm gonna replace them one by one. Sounds like a good plan to me. It is what I would do. It is what I have

Re: Replacing failed drive in software RAID

On 10/31/2013 3:41 PM, Bob Proulx wrote: Veljko wrote: I'm using four 3TB drives, so I had to use GPT. Although I'm pretty sure I know what I need to do, I want to make sure so I don't loose data. Three drives are dying so I'm gonna replace them one by one. Sounds like a good plan to me.

Re: amd64 debian wheezy installation: software raid: partition misaligned by 512 bytes

On Sun, 26 May 2013 15:42:26 -0700, Alexandru Cardaniuc cardan...@gmail.com wrote: I can try to move the md2p1 partition with the parted. Would that work? :) As I said, I've never done it myself. And you probably need to shrink those partitions first, to create room for moving. --

Re: amd64 debian wheezy installation: software raid: partition misaligned by 512 bytes

I can try to move the md2p1 partition with the parted. Would that work? :) On Tue, May 21, 2013 at 11:03 PM, Virgo Pärna virgo.pa...@mail.ee wrote: On Tue, 21 May 2013 09:12:10 -0700, Alexandru Cardaniuc cardan...@gmail.com wrote: --089e01175e3d288e0104dd3cb6f1 Content-Type: text/plain;

Re: amd64 debian wheezy installation: software raid: partition misaligned by 512 bytes

during installation? But I didn't see that option in the installer... md partitions are created when you select software RAID in the installer, or manually created with mdadm. -dsr- -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact

Re: amd64 debian wheezy installation: software raid: partition misaligned by 512 bytes

On Tue, 21 May 2013 09:12:10 -0700, Alexandru Cardaniuc cardan...@gmail.com wrote: --089e01175e3d288e0104dd3cb6f1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Ok, so any way to fix that now? Without reinstalling everything? Any way to move the

Re: amd64 debian wheezy installation: software raid: partition misaligned by 512 bytes

On Sun, 19 May 2013 21:41:33 -0700, Alexandru Cardaniuc cardan...@gmail.com wrote: 1. Should the /dev/md{0,1,2}p1 devices Start at 64 and not 63? Or some other cylinder number to be properly aligned? That would explain the exact 512 bytes misalignment (1 sector)? 2. How did that happen? The

Re: amd64 debian wheezy installation: software raid: partition misaligned by 512 bytes

Ok, so any way to fix that now? Without reinstalling everything? Any way to move the partitiions? Also, I don't remember creating these md partitions. The installer does that by default? I should do that part manually during installation? But I didn't see that option in the installer... thanks,

amd64 debian wheezy installation: software raid: partition misaligned by 512 bytes

from mdraid devices (I am running software RAID-1). Spent some time fixing it, but by that time my drives started failing, so I decided to upgrade. I ordered 2 1T WD Blue WD10EZEX. These drives apparently use Advanced Format, which I didn't pay attention to at the time. So, I reinstalled Debian Wheezy

Grub Loading software raid.

Hello folks, I have built a system with Debian software RAID-1 and everything works great until you pull a drive and try to boot, the system just hangs at Grub loading If I pop the drive back in the system will boot normally then do # mdadm /dev/md0 -a /dev/sdb it adds the drive and begins

Booting Wheezy Install on Software Raid 6

Hi Folks, I'm in the process of assembling a storage system, and am running into an issue while testing the setup in a VM. The setup has 6 three terabyte harddrives that I'd like to put in RAID 6 (Eventually more will be added, expanding the array). I'd like everything to be on

Re: Booting Wheezy Install on Software Raid 6

On 15/04/13 07:25 AM, deb...@paulscrap.com wrote: Hi Folks, I'm in the process of assembling a storage system, and am running into an issue while testing the setup in a VM. The setup has 6 three terabyte harddrives that I'd like to put in RAID 6 (Eventually more will be added,

Re: Software Raid, recovery after drive broke

On Sat, Oct 29, 2011 at 1:47 PM, Raf Czlonka r...@linuxstuff.pl wrote: On Sat, Oct 29, 2011 at 01:45:43PM BST, Tom H wrote: On Fri, Oct 28, 2011 at 2:28 PM, Raf Czlonka r...@linuxstuff.pl wrote: On Fri, Oct 28, 2011 at 06:50:05PM BST, Tom H wrote: Given your posts, you're clearly confused...

Re: Software Raid, recovery after drive broke

On Fri, Oct 28, 2011 at 2:28 PM, Raf Czlonka r...@linuxstuff.pl wrote: On Fri, Oct 28, 2011 at 06:50:05PM BST, Tom H wrote: Given your posts, you're clearly confused... Would you care to elaborate? No. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of

Re: Software Raid, recovery after drive broke

On Sat, Oct 29, 2011 at 01:45:43PM BST, Tom H wrote: On Fri, Oct 28, 2011 at 2:28 PM, Raf Czlonka r...@linuxstuff.pl wrote: On Fri, Oct 28, 2011 at 06:50:05PM BST, Tom H wrote: Given your posts, you're clearly confused... Would you care to elaborate? No. Please refrain from posts

Re: Software Raid, recovery after drive broke

hadn't confused me :^) I've never claimed it cannot. The difference is quite substantial though: dmraid DESCRIPTION dmraid discovers block and software RAID devices (eg, ATARAID) by using multiple different metadata format handlers which support various formats (eg

Re: Software Raid, recovery after drive broke

On Fri, Oct 28, 2011 at 9:50 AM, Raf Czlonka r...@linuxstuff.pl wrote: On Fri, Oct 21, 2011 at 06:12:37PM BST, Tom H wrote: I'm sorry that I've confused you. I was just pointing out that the demarcation line between mdraid and dmraid isn't as straightforward as you made it out to be because

Re: Software Raid, recovery after drive broke

On Fri, Oct 28, 2011 at 06:50:05PM BST, Tom H wrote: Given your posts, you're clearly confused... Would you care to elaborate? -- Raf -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive:

Re: Software Raid, recovery after drive broke

in mdadm.conf, but there may be more to it than that). Device mapper managed ATARAID can be in the container - I never claimed it cannot. Please, do not confuse users. dmraid as is Serial ATA RAID, SATA RAID or Fake RAID and mdadm (md raid) as in Linux Software RAID[0]. [0] http://wiki.debian.org

Re: Software Raid, recovery after drive broke

On Fri, Oct 21, 2011 at 8:57 AM, Raf Czlonka r...@linuxstuff.pl wrote: On Wed, Oct 19, 2011 at 12:29:14AM BST, Tom H wrote: On Tue, Oct 18, 2011 at 8:55 AM, Raf Czlonka r...@linuxstuff.pl wrote: dmraid and mdraid are not the same thing. Except for the fact that you can manage a dmraid array

Software Raid, recovery after drive broke

Hi, I got two drives in RAID1 matrix, each one got 2 partitions, first boot also in raid, containg grub and such Disk /dev/sda: 1500.3 GB, 1500301910016 bytes 255 heads, 63 sectors/track, 182401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512

Re: Software Raid, recovery after drive broke

On Tue, Oct 18, 2011 at 12:14:58PM BST, Bartek W. aka Mastier wrote: Hi, I got two drives in RAID1 matrix, each one got 2 partitions, first boot also in raid, containg grub and such RAID or RAID array, not matrix. My question is, what if I connect the new drive and it will appear as

Re: Software Raid, recovery after drive broke

W dniu 18.10.2011 14:55, Raf Czlonka pisze: On Tue, Oct 18, 2011 at 12:14:58PM BST, Bartek W. aka Mastier wrote: Hi, I got two drives in RAID1 matrix, each one got 2 partitions, first boot also in raid, containg grub and such RAID or RAID array, not matrix. My question is, what if I connect

Re: Software Raid, recovery after drive broke

On Tue, Oct 18, 2011 at 8:55 AM, Raf Czlonka r...@linuxstuff.pl wrote: dmraid and mdraid are not the same thing. Except for the fact that you can manage a dmraid array with mdadm (IIRC, you have to have containers on the DEVICE line in mdadm.conf, but there may be more to it than that). --

installer, software raid and grub

... and thats it. Basically if / is on software raid (linux md raid) does installer install GRUB on all available hard drives? Do I need to install GRUB manually on /dev/sdb? Idea is that if one of the drives fail I can still use this system, which includes being able to boot from either of the drives. Regards

Re: installer, software raid and grub

there was a message saying something about GRUB being installed on /dev/sda ... and thats it. Basically if / is on software raid (linux md raid) does installer install GRUB on all available hard drives? Do I need to install GRUB manually on /dev/sdb? Idea is that if one of the drives fail I can still use

Re: installer, software raid and grub

there was a message saying something about GRUB being installed on /dev/sda ... and thats it. Basically if / is on software raid (linux md raid) does installer install GRUB on all available hard drives? Do I need to install GRUB manually on /dev/sdb? Idea is that if one of the drives fail I can still

Help with Software RAID needed

I just got my new dedicated server, running Debian Lenny 64bit. It has 2x500gb Software RAID but df -hT only shows a few GB for each partition: # df -hT FilesystemTypeSize Used Avail Use% Mounted on /dev/md1 ext33.7G 339M 3.4G 10% / tmpfstmpfs2.0G 0 2.0G 0

Re: Help with Software RAID needed

More information: # cat /proc/mdstat Personalities : [raid1] md3 : active raid1 sdb3[0] sda3[1] 482512192 blocks [2/2] [UU] md1 : active raid1 sda1[0] sdb1[1] 3911680 blocks [2/2] [UU] unused devices: none # mount /dev/md1 on / type ext3 (rw) tmpfs on /lib/init/rw type tmpfs

Re: Help with Software RAID needed

Jo Galara (jogal...@gmail.com on 2011-04-23 19:55 +0200): I just got my new dedicated server, running Debian Lenny 64bit. It has 2x500gb Software RAID but df -hT only shows a few GB for each partition: [...] /dev/mapper/vg00-usr on /usr type xfs (rw) /dev/mapper/vg00-var on /var type xfs (rw

Software RAID on external USB disk: boot problems after upgrade to squeeze

Hi! To simplify things a little: I have an external USB disk (/dev/sdc1) that is part of an MD array (/dev/md0). During boot, I experienced the following problem: /dev/md0 was assembled with only 1 drive out of 2 (the internal one). This was due to /dev/sdc1 taking some time to be detected,

Re: Software RAID on external USB disk: boot problems after upgrade to squeeze

also sprach Panayiotis Karabassis pan...@gmail.com [2011.02.23.1029 +0100]: I had solved this in lenny by using the following /usr/share/initramfs-tools/scripts/local-top/mdadm script: Set rootdelay=30 on the kernel command line. My solution is broken after the upgrade to squeeze and the

Re: Software RAID on external USB disk: boot problems after upgrade to squeeze

On 02/23/2011 02:22 PM, martin f krafft wrote: also sprach Panayiotis Karabassispan...@gmail.com [2011.02.23.1029 +0100]: I had solved this in lenny by using the following /usr/share/initramfs-tools/scripts/local-top/mdadm script: Set rootdelay=30 on the kernel command line.

Re: Software RAID on external USB disk: boot problems after upgrade to squeeze

On Wed, Feb 23, 2011 at 8:01 AM, Panayiotis Karabassis pan...@gmail.com wrote: BTW, could someone explain the difference between GRUB_CMDLINE_LINUX_DEFAULT and GRUB_CMDLINE_LINUX in /etc/default/grub? For every vmlinuz... in /boot, GRUB_CMDLINE_LINUX_DEFAULT applies to the runlevel 2 entry and

Re: Software RAID on external USB disk: boot problems after upgrade to squeeze

On 02/23/2011 03:10 PM, Tom H wrote: On Wed, Feb 23, 2011 at 8:01 AM, Panayiotis Karabassispan...@gmail.com wrote: BTW, could someone explain the difference between GRUB_CMDLINE_LINUX_DEFAULT and GRUB_CMDLINE_LINUX in /etc/default/grub? For every vmlinuz... in /boot,

Re: Software RAID on external USB disk: boot problems after upgrade to squeeze

On Wed, Feb 23, 2011 at 8:11 AM, Panayiotis Karabassis pan...@gmail.com wrote: On 02/23/2011 03:10 PM, Tom H wrote: On Wed, Feb 23, 2011 at 8:01 AM, Panayiotis Karabassispan...@gmail.com  wrote: BTW, could someone explain the difference between GRUB_CMDLINE_LINUX_DEFAULT and

replacing hardware raid with software raid

Hi, i created a raid-5 array with a LSI MegaRaid 150-6 controller (i used 4 sata drives). Is it possible to use the array without the hardware raid controller with linux software raid/ mdadm? I think a read something about that, but i can't find it anymore. Mdadm does not autodetect the array

Re: replacing hardware raid with software raid

Andreas Sachs put forth on 5/7/2010 1:50 AM: Hi, i created a raid-5 array with a LSI MegaRaid 150-6 controller (i used 4 sata drives). Is it possible to use the array without the hardware raid controller with linux software raid/ mdadm? No, this is not possible. Did your MegaRAID card die

Software raid OK?

Hi List! I installed a software raid, level1 with 3 disks, one of them is a spare. I have 2 partitions: md0 is for / and is made of sda1,sdb1, sdc1 md1 is for swap and made of sda2,sdb2, sdc2 - I can boot form both disks, - the system works fine. - mdstat says the raids are active - mdmadm

Re: Software raid OK?

Le Monday 20 April 2009 11:44:31 BAGI Akos, vous avez écrit : Hi List! I installed a software raid, level1 with 3 disks, one of them is a spare. I have 2 partitions: md0 is for / and is made of sda1,sdb1, sdc1 md1 is for swap and made of sda2,sdb2, sdc2 - I can boot form both disks

Re: Software raid OK?

When the date was Monday 20 April 2009, BAGI Akos wrote: Hi List! I installed a software raid, level1 with 3 disks, one of them is a spare. I have 2 partitions: md0 is for / and is made of sda1,sdb1, sdc1 md1 is for swap and made of sda2,sdb2, sdc2 There is no particularly good reason

Re: Software raid OK?

On Mon, Apr 20, 2009 at 03:29:00PM +0300, Michael Iatrou wrote: When the date was Monday 20 April 2009, BAGI Akos wrote: Hi List! I installed a software raid, level1 with 3 disks, one of them is a spare. I have 2 partitions: md0 is for / and is made of sda1,sdb1, sdc1 md1

Re: Software raid OK?

When the date was Monday 20 April 2009, Douglas A. Tutty wrote: On Mon, Apr 20, 2009 at 03:29:00PM +0300, Michael Iatrou wrote: When the date was Monday 20 April 2009, BAGI Akos wrote: Hi List! I installed a software raid, level1 with 3 disks, one of them is a spare. I have 2

Re: Software raid OK?

Michael, 2009/4/20 Michael Iatrou m.iat...@freemail.gr When the date was Monday 20 April 2009, Douglas A. Tutty wrote: On Mon, Apr 20, 2009 at 03:29:00PM +0300, Michael Iatrou wrote: There is no particularly good reason to have the swap on RAID. You should define three independed swap

Re: Software raid OK?

Michael Iatrou wrote: When the date was Monday 20 April 2009, Douglas A. Tutty wrote: On Mon, Apr 20, 2009 at 03:29:00PM +0300, Michael Iatrou wrote: When the date was Monday 20 April 2009, BAGI Akos wrote: Hi List! I installed a software raid, level1 with 3 disks, one of them is a spare

Re: Software raid OK?

When the date was Monday 20 April 2009, Sam Kuper wrote: Michael, 2009/4/20 Michael Iatrou m.iat...@freemail.gr When the date was Monday 20 April 2009, Douglas A. Tutty wrote: On Mon, Apr 20, 2009 at 03:29:00PM +0300, Michael Iatrou wrote: There is no particularly good reason to have

Re: Software raid OK?

On Mon, Apr 20, 2009 at 10:08:22PM +0300, Michael Iatrou wrote: When the date was Monday 20 April 2009, Sam Kuper wrote: Michael, [snip] I don't think there is a silver bullet for this. There is a performance penalty related to soft-RAID. Also swappiness configuration must be

Re: Software raid OK?

2009/4/21 Alex Samad a...@samad.com.au On Mon, Apr 20, 2009 at 10:08:22PM +0300, Michael Iatrou wrote: When the date was Monday 20 April 2009, Sam Kuper wrote: Michael, [snip] I don't think there is a silver bullet for this. There is a performance penalty related to soft-RAID. Also

Re: Software raid OK?

2009/4/21 Sam Kuper sam.ku...@uclmail.net: Apologies for hijacking Bagi's thread! s/Bagi/Akos/ -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org

Installation with multiple Software RAID devices + LVM

I'd like to install Lenny into existing LVM volume group built top of Software RAID-1 physical volumes like this: pvs: PV VG Fmt Attr PSize PFree /dev/md0 LVM_VG_2 lvm2 a- 50,13G 0 /dev/md1 LVM_VG_2 lvm2 a- 14,80G 80,00M /proc/mdstat: Personalities : [raid1] md1

Re: Software RAID w/ mdadm -- Need Partitions?

On Thu, Feb 26, 2009 at 02:26:25AM +, Kelly Harding wrote: Also, with Linux Software RAID, you can convert the metadata of RAID1 to RAID5 to expand a 2 drive RAID1 mirrored array to a 2 drive RAID5 degraded array to add another drive to later. I've done this multiple times and had

Re: how does GRUB read from /boot on software-RAID partition?

Jack Schneider wrote: On Tue, 24 Feb 2009 17:14:54 -0500 Barclay, Daniel dan...@fgm.com wrote: Jack Schneider wrote: ... I have run without incident for over a year. But if you haven't had any disk-failure incidents, do you know whether your setup will reliably work if either disk fails?

Re: how does GRUB read from /boot on software-RAID partition?

Douglas A. Tutty wrote: ... I had a box with ... I tested booting by unplugging (power and data) each drive in turn, booting with grub was never a problem. Thanks. Daniel -- (Plain text sometimes corrupted to HTML courtesy of Microsoft Exchange.) [F]

Software RAID w/ mdadm -- Need Partitions?

I've created RAIDs in the past where I just used the entire drive and ones where I created a single partition on the drives and used the partition. It seems that there is no real difference in behavior. If I'm planning on using a drive for a RAID, is there any reason I should create a

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