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bug#27884: parted reports the partition is not optimally aligned, even t
From: |
Phil Susi |
Subject: |
bug#27884: parted reports the partition is not optimally aligned, even though it's 1MiB-aligned |
Date: |
Wed, 20 Sep 2017 08:55:40 -0400 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 7/30/2017 6:46 PM, Alicia Boya García wrote:
> Hi.
>
> Is there any explanation to this GNU parted output?
>
> GNU Parted 3.2
> Using /dev/sde
> Welcome to GNU Parted! Type 'help' to view a list of commands.
> (parted) unit B
> (parted) p
> Model: Seagate M3 Portable (scsi)
> Disk /dev/sde: 4000787029504B
> Sector size (logical/physical): 512B/4096B
> Partition Table: gpt
> Disk Flags:
>
> Number Start End Size File system Name Flags
> 1 1048576B 4000786153471B 4000785104896B ext4
>
> (parted) align-check
> alignment type(min/opt) [optimal]/minimal?
> Partition number? 1
> 1 not aligned
>
> Why does it say it's not aligned? Both the the start and the end are
> 1MB-aligned (and therefore trivially 4096B-aligned and 512B-aligned), am
> I right?
Maybe your drive is advertising a different optimal alignment. What
does /sys/block/sde/queue/optimal_io_size say?
- bug#27884: parted reports the partition is not optimally aligned, even though it's 1MiB-aligned,
Phil Susi <=