Questions tagged [partition-alignment]
The partition-alignment tag has no usage guidance.
19
questions
1
vote
0
answers
1k
views
Debian installation - how to correctly partition the disk?
My system:
most recent Debian 11 image
vServer running at my hosting provider
virtualized via Xen
normal HDD, no SSD; no lvm or raid used
Somehow I managed to install Debian 11 with misaligned ...
- 143
0
votes
1
answer
492
views
Can't resize Ubuntu Partition inside VMware
I had a 30 GB machine and I run out space. Then, via the VMWare Workstation GUI, I have extended that space.
It got to "unallocated space" at first, then I tried to extend it with gparted, ...
- 201
1
vote
1
answer
493
views
Extremely Low Random Read/Write Performance on (4096 Aligned) Advanced Format Disks
On a SATA 3.0, 6.0 Gb/s
*-disk:0
description: ATA Disk
product: WDC WD20EFRX-68E
vendor: Western Digital
physical id: 0
bus info: scsi@1:0.0.0
hw_sector_size: 512
...
- 1,895
0
votes
1
answer
163
views
Does advice on aligning SSD block sizes apply to "cloud persistent disks?"
I recently read that differences between disk page size in the partition vs flash storage can hurt write performance.
So, I checked the partition sizes on some database disks with parted and got
...
google-cloud-platform
1
vote
1
answer
735
views
How to resize mirrored Windows partition
This is my HD setup (Windows Server 2008 R2):
I would like to resize my system partition C: (making it larger).
How can I do that, without damaging/affecting the mirroring?
(This is the simplified ...
- 221
5
votes
1
answer
2k
views
Preseed Ubuntu / Debian - Partitioning: prevent "Partition 1 does not start on physical sector boundary."
Preseeding of Ubuntu / Debian works correct - system is bootable.
But fdisk -l is resulting following:
Disk /dev/sda: 50 GiB, 53687091200 bytes, 104857600 sectors
Units: sectors of 1 * 512 = 512 ...
- 215
0
votes
1
answer
425
views
Can't use unallocated space on a Win 2k8 R2 VM
I'm hoping someone can help me with this because after 2 days of googling I've come up with nothing.
I have a file server that I have converted from a physical to a virtual on an ESXi 6 host. I have ...
2
votes
1
answer
9k
views
Fdisk reports: Partition 1 does not start on physical sector boundary. Partition created using Parted
I used Parted to create a partition on my server /dev/sdb. When I run fdisk -l,
Warning Partition 1 does not start on physical sector boundary appears.
Disk /dev/sdb: 2000.3 GB, 2000341917696 bytes
...
- 21
2
votes
2
answers
3k
views
BTRFS, sector alignment and Advance Format Disks
I want to set up a BTRFS RAID1 setup with two WD Red 4TB disks, which possess 4K sectors. Since I am keen to get it right the first time before copying data to it (yes it will be backed up), my ...
- 185
1
vote
1
answer
405
views
Using Seagate 3TB drives with a Dell PERC 710 - do I have to worry about align and sector size?
I'm going to setup our new server with 8 3TB HDD from Seagate. They come, as far as I know, internally with 4K sectors.
I've run this past weekend some burn-in tests on the disks, before setting them ...
- 163
5
votes
2
answers
2k
views
SSD Software RAID Alignment Necessary?
Is it necessary to have the partitions that makeup a software RAID 1 array be aligned?
This guide states
"Software RAID: Although one needs to pay attention to correct
alignment here as well, ...
- 53
7
votes
1
answer
262
views
Disk size addressable by the OS
I have a 3ware 9550SXU-12 storage controller and 750G disks connected to it. The disks are configured as single units (not JBOD).
I've been running some performance tests, mainly to see the impact of ...
- 243
3
votes
2
answers
808
views
Is file system alignment required on hardware-raid with SSDs?
We are building a raid-10 with LSI 9260-4i + 4 x Intel DC S3500 SDDs.
Partition alignment
From what I understand I need to start fdisk with -H32 -S32 or Ted T'so variant with -H224 -S56 in order to ...
- 105
5
votes
1
answer
902
views
Checking partition alignment with PowerCLI
I'm trying to verify that the file system partitions within each of the servers I'm working on are aligned correctly. I've got the following script that when I've tried running will either claim that ...
- 330
1
vote
1
answer
197
views
aligning partition boundaries of already installed system
I have qemu raw disk which includes two partitions. The second partition is not aligned according to ssd principles. I will move this into Smartcloud environment and they suggest aligning according to ...
- 698
3
votes
3
answers
2k
views
Aligned partitioning of 2TB disk with Linux fdisk
Is there a way to create a single 2TB partition, which is 4096-byte-sector aligned, on a disk using the standard Linux fdisk (I have tried version 2.17.2)?
I've tried the following things and ran ...
- 419
3
votes
1
answer
1k
views
Quantifying the effects of partition mis-alignment
I'm experiencing some significant performance issues on an NFS server. I've been reading up a bit on partition alignment, and I think I have my partitions mis-aligned. I can't find anything that ...
- 1,047
5
votes
1
answer
839
views
linux hardware raid 10 / lvm / virtual machine partition alignment and filesystem optimization
I've been reading everything I can find about partition alignment and filesystem optimization (ext4 and xfs) but still don't know enough to be confident in setting up my current configuration. My ...
- 51
6
votes
3
answers
6k
views
Linux: How to align partition and file system on hardware RAID
I have a test box (PowerEdge 2950) with a Perc 6/i and 4x 15.5k SAS drives attached (with 512 byte block sizes). These are in a single RAID 5 virtual disk with a 64KB chunk size.
I am creating a ...
- 4,242