> Phil Turmel <philip@xxxxxxxxxx> hat am 5. März 2015 um 21:07 geschrieben: > > > On 03/05/2015 12:56 PM, Stefan Lamby wrote: > > Hello List. > > > > I was setting up a new machine using ubuntu 14.04.02 lts using its > > installer, > > configuring a raid 10 with 2 disks and lvm on top of it. I was using 2 disks > > and > > now I like to add 2 more disks to the array so i want to end up with 4 > > disks, no > > spare. > > > > Searching the internet I found that I am not able to --grow the array with > > the > > mdadm version this ubuntu is using (v3.2.5). > > Is that right? > > > > So I decided to build a new array that way and try to move my data > > afterwards, > > which failed: > > (Is it OK to do it that way or do you recommend another?) > > No, you should be able to do this. Probably without any shutdown. > Please show the full layout of your drives, partitions, and lvm. > > I suggest lsdrv[1] for working layouts. If your email is set to use > utf8, just paste the result in a reply. > > Regards, > > Phil Turmel > > [1] https://github.com/pturmel/lsdrv > Hi Phil. I like your suggestion using lsdrv. Pretty nice. Here is the output (including the newly created array): root@kvm15:~/lsdrv/lsdrv# ./lsdrv PCI [ata_piix] 00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller #2 ├scsi 0:0:0:0 HL-DT-ST DVD-RAM GH60L {K1XA5SF1137} │└sr0 3.68g [11:0] udf 'UDF_Volume' └scsi 1:x:x:x [Empty] PCI [ahci] 00:1f.2 SATA controller: Intel Corporation 82801JI (ICH10 Family) SATA AHCI Controller ├scsi 2:0:0:0 ATA WDC WD20PURX-64P {WD-WCC4M1LPT1AE} │└sda 1.82t [8:0] Partitioned (dos) │ └sda1 1.77t [8:1] MD raid10,near2 (0/2) (w/ sdb1) in_sync 'kvm15:0' {75079a2f-acb8-c475-85f8-ca430ad85c4c} │ └md0 1.77t [9:0] MD v1.2 raid10,near2 (2) clean, 512k Chunk {75079a2f:acb8c475:85f8ca43:0ad85c4c} │ │ PV LVM2_member 1.01t used, 780.45g free {2hsby0-0FOT-PPbC-il1r-ux9J-lUd2-nPHj7T} │ └VG vg_raid10 1.77t 780.45g free {HbjouC-RgUe-YYNB-z2ns-4kzK-RwJH-RHWSWq} │ ├dm-0 479.39g [252:0] LV home ext4 {2d67d9cc-0378-4669-9d72-7b7c7071dea8} │ │└Mounted as /dev/mapper/vg_raid10-home @ /home │ ├dm-1 93.13g [252:1] LV root ext4 {c14e4524-e95c-45c2-bfa0-75d529ed48fe} │ │└Mounted as /dev/mapper/vg_raid10-root @ / │ ├dm-4 23.28g [252:4] LV swap swap {9e1a582f-1c88-44a2-be90-aafcb96805c7} │ ├dm-3 46.56g [252:3] LV tmp ext4 {ac67d0d9-049c-4cf2-9a0e-591cdb6a3559} │ │└Mounted as /dev/mapper/vg_raid10-tmp @ /tmp │ └dm-2 393.13g [252:2] LV var ext4 {ff71c558-c1f8-4410-8e2a-dc9c77c27a03} │ └Mounted as /dev/mapper/vg_raid10-var @ /var ├scsi 3:0:0:0 ATA WDC WD20PURX-64P {WD-WCC4M5LAR62D} │└sdb 1.82t [8:16] Partitioned (dos) │ └sdb1 1.77t [8:17] MD raid10,near2 (1/2) (w/ sda1) in_sync 'kvm15:0' {75079a2f-acb8-c475-85f8-ca430ad85c4c} │ └md0 1.77t [9:0] MD v1.2 raid10,near2 (2) clean, 512k Chunk {75079a2f:acb8c475:85f8ca43:0ad85c4c} │ PV LVM2_member 1.01t used, 780.45g free {2hsby0-0FOT-PPbC-il1r-ux9J-lUd2-nPHj7T} ├scsi 4:0:0:0 ATA WDC WD20PURX-64P {WD-WCC4M7YA1ANR} │└sdc 1.82t [8:32] Partitioned (dos) │ └sdc1 1.77t [8:33] MD raid10,near2 (1/4) (w/ sdd1) in_sync 'kvm15:10' {c4540426-9c66-8fe2-4795-13f242d233b4} │ └md10 3.55t [9:10] MD v1.2 raid10,near2 (4) clean DEGRADEDx2, 512k Chunk {c4540426:9c668fe2:479513f2:42d233b4} │ Empty/Unknown └scsi 5:0:0:0 ATA WDC WD20PURX-64P {WD-WCC4M5AFRYVP} └sdd 1.82t [8:48] Partitioned (dos) └sdd1 1.77t [8:49] MD raid10,near2 (3/4) (w/ sdc1) in_sync 'kvm15:10' {c4540426-9c66-8fe2-4795-13f242d233b4} └md10 3.55t [9:10] MD v1.2 raid10,near2 (4) clean DEGRADEDx2, 512k Chunk {c4540426:9c668fe2:479513f2:42d233b4} Empty/Unknown This is what I got right now. What do you recommend to do? Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
