From: NeilBrown <neilb@suse.de>
To: azurIt <azurit@pobox.sk>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID0 size over 2 TB
Date: Mon, 8 Sep 2014 17:00:37 +1000 [thread overview]
Message-ID: <20140908170037.451e2376@notabene.brown> (raw)
In-Reply-To: <20140906230928.BB645CEE@pobox.sk>
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On Sat, 06 Sep 2014 23:09:28 +0200 "azurIt" <azurit@pobox.sk> wrote:
> Hi,
>
> i'm having problems with growing my RAID0 array over 2 TB. I installed two 4 TB drives, created 4 TB partitions but array cannot be resized over 2 TB. Superblock versoin is 0.90 and kernel version is 3.2.53 - according to linux RAID wiki, it should support 4 TB component/array size:
> https://raid.wiki.kernel.org/index.php/RAID_superblock_formats#The_version-0.90_Superblock_Format
>
> Some more info:
>
> # mdadm --detail /dev/md2
> /dev/md2:
> Version : 0.90
> Creation Time : Tue Sep 28 16:54:04 2010
> Raid Level : raid1
> Array Size : 2147483520 (2048.00 GiB 2199.02 GB)
> Used Dev Size : 2147483520 (2048.00 GiB 2199.02 GB)
> Raid Devices : 2
> Total Devices : 2
> Preferred Minor : 2
> Persistence : Superblock is persistent
>
> Update Time : Sat Sep 6 23:04:44 2014
> State : clean
> Active Devices : 2
> Working Devices : 2
> Failed Devices : 0
> Spare Devices : 0
>
> UUID : 9a363004:ad04abfe:2e31e1c3:caf66df4
> Events : 0.77066
>
> Number Major Minor RaidDevice State
> 0 8 33 0 active sync /dev/sdc1
> 1 8 49 1 active sync /dev/sdd1
>
>
>
>
>
>
>
> # fdisk /dev/sdd
>
> WARNING: GPT (GUID Partition Table) detected on '/dev/sdd'! The util fdisk doesn't support GPT. Use GNU Parted.
Why are you using "fdisk" even though "fdisk" is telling you not to use it?
What does
cat /proc/partitions
say about the sizes of the partitions?
NeilBrown
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next prev parent reply other threads:[~2014-09-08 7:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-06 21:09 RAID0 size over 2 TB azurIt
2014-09-06 21:17 ` RAID0 size over 2 TB - RAID1 azurIt
2014-09-08 7:00 ` NeilBrown [this message]
2014-09-08 7:18 ` RAID0 size over 2 TB azurIt
2014-09-08 7:21 ` Mikael Abrahamsson
2014-09-08 7:24 ` azurIt
2014-09-08 18:19 ` Chris Murphy
2014-09-08 7:28 ` NeilBrown
2014-09-08 7:33 ` azurIt
2014-09-08 18:27 ` Chris Murphy
2014-09-08 19:16 ` Chris Murphy
2014-09-08 20:02 ` azurIt
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